nordic copper

nordic copper

Aurubis has developed a range of factory-applied surface treatments to provide the various stages of oxidation and patination straightaway. Our Nordic Copper offers designers and architects unparalleled design freedom.

The natural development of copper patina is one of coppers unique characteristics. Within a few days of exposure to the atmosphere, the surface of Nordic Standard copper begins to oxidize, changing its color from the bright mill finish to a chestnut brown which gradually darkens over several years to a chocolate brown. Continued weathering can then result in development of the distinctive green patina or blue in coastal locations. The patina film provides impressive protection against corrosion and can repair itself if damaged, defining the exceptional longevity of copper cladding.

Over the last few decades, Aurubis has developed a range of factory-applied surface treatments to provide the various stages of oxidation and patination straightaway. The processes involved are very similar to those taking place over time in the environment and utilize copper mineral compounds, not invasive chemical treatments.

Aurubis products for architectural applications use phosphorus deoxidized copper, designated Cu-DHP and complying with EN 1172:2011 Copper and Copper Alloys:Sheet and Strip for Building Purposes. This pure and natural material exhibits a unique range of characteristics and performance benefits.

Aurubis works closely with architects in developing special individual levels of patination of Nordic Surfaces, custom-made surfaces and other techniques in order to meet their design requirements or to match historically patinated copper on existing buildings. Therefore, the early involvement in the architectural design process is essential.

Nordic Standard is mill finish copper without any additional surface treatments carried out in the factory. It has the traditional bright finish that develops and changes in the environment, as described earlier.

Nordic Brown products are useful to minimize hand and other construction marks which can occur for a short time after installing bright standard copper. But light and dark versions can also be combined perhaps with other finishes such as Nordic Standard to create various visual effects.

Nordic Green and Nordic Blue products offer designers unparalleled design freedom and the ability to determine the type and intensity of green or bluish patina for each project with choices of Living surfaces.

The factory process can be accurately controlled so that, as well as the solid green or blue patina color, other intensities of patina flecks can be created, revealing some of the dark oxidized background material.

In close partnershipbetween Aurubis expertsand architects, special individual levels of patination can be developed to meet the design requirements or to match historically patinated copper on existing buildings.

The material is easily bent and formed, and there are no limitations on the length of pre-patinated copper sheet or strip because whole coils are treated on the production line, not just limited size sheets.

The most common compound found in natural patinas all over the world is the copper sulfate mineral brochantite. Aurubis factory-applied patinas have been developed with properties and colors based on the same brochantite mineralogy. Brochantite is a light blue color, but in many locations impurities and other components in the air add a yellow tint to give the naturally developed patina a green hue. In the same way, Nordic Green is produced with a hint of iron sulfate yellow component added to the blue copper sulfate, replicating the natural green.

In marine climates, the natural copper patina contains some copper chloride, giving it more of a blue color, whichis emulated with Nordic Blue. Brochantite is a light blue color and Aurubis Nordic Blue patination is 100 % brochantite.

By its nature, Aurubis pre-patination process encourages the continuing formation of natural patina by releasing copper sulfate to react with the copper below. As a result, just like natural patina,Nordic Green and Nordic Blue undergo continuous changes through environmental exposure dependent upon local atmospheric and rainfall conditions.

Nordic Bronze is an alloy of copper and tin with a similar color to Nordic Standard initially. When exposed to the atmosphere, the surface gradually changes to a reddish dark brown to a black shade.

Options: Aurubis Nordic Copper include variable intensities of green or blue pre-patination and brown preoxidation. The copper alloys brass and Nordic Royal a golden alloy add to a rich palette of colors and surface textures. Applications: Building and construction industry, facades, roofs, integrated roof systems Did you know ...? ... all Nordic Copper form an integral part of the copper and are not coatings or paint.

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aurubis | metals for progress

aurubis | metals for progress

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

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metal production from concentrates

metal production from concentrates

Aurubis imports most of the copper concentrates directly from copper mines in different countries. Copper ore is primarily mined in Central and South America, the US and Canada,as well asAfrica, Asia, Australia and to a lesser degree in Europe. Copper ores contain about 0.5-4 % copper and are already processed into a concentrate in the mine. The concentrate is a finely milled, dark gray material containing about 30 % copper (Cu), 30 % iron (Fe) and 30 % sulfur (S). The concentrate also often contains small amounts of precious metals and a range of other elements, which we process in the smelters. There has been a noticeable trend towards falling copper content and increasing complexity in the copper ores for several years. Aurubis is in a position to process these ores as well, producing metals such as silver and gold, in addition to high-purity copper.

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Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

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aurubis a leading worldwide provider of non-ferrous metals

aurubis a leading worldwide provider of non-ferrous metals

Our main area of expertise is the processing and optimal recovery of concentrates and raw recycling materials with complex qualities. Aurubis is Europes leading integrated copper group and the worlds largest copper recycler.

Aurubis produces high-purity, high-quality copper from copper concentrates and recycling materials and processes it into intermediate products. Copper scrap and a variety of other recycling materials are reintroduced to the economic cycle this way.

We produce more than 1 million t of marketable copper cathodes each year. They are processed in the Group into continuous cast rod, specialty wire, shapes, rolled products, strip and profiles made of copper and copper alloys. In addition, we produce precious metals such as gold and silver and a range of other products, for example sulfuric acid and iron silicate, as by-products of copper production.

Aurubis was founded as a stock corporation in 1866. With the IPO in 1998, national mergers and international expansions in the years following, Aurubis is now an internationally operating Group. Aurubis shares are part of the Prime Standard Segment of the Deutsche Brse and are listed in the MDAX and the Global Challenges Index (GCX). > Find out more in the chapter Investor Relations

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

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copper a unique metal

copper a unique metal

Copper is a metal that has been known to mankind for a very long time. People learned how to use and process it over 10,000 years ago. Metal objects made of bronze a combination of copper and tin were created during the Bronze Age. The name copper comes from the Roman era, when the metal was referred to as aes Cyprium, meaning ore from Cyprus. This evolved into the word cuprum. The chemical symbol is Cu. Copper has its typical copper-red color when in its pure and unalloyed state.

Copper is a metal that can be recycled as often as desired without a loss of quality. Recycling not only saves the energy that would be needed for mining and preparing the ores; melting down recycling material also requires less energy than metal production from copper concentrates.

Our modern life wouldnt be possible without copper. The increasing interconnectedness in our offices, growing demands on telecommunications, our extensive energy needs and high safety and comfort standards in todays automotive engineering ensure a constant rise in copper demand. The average car contains about 25 kg of copper luxury class models can have more than twice this amount. Copper also has an established role in architecture and construction: apart from electrical wiring made of copper, copper pipes are used in our homes water and heating systems as well. Copper is often used for roofing and facades due to its good corrosion resistance and, last but not least, because of its attractive appearance.

Over the years, copper forms a natural patina with a color and chemical composition that is mainly influenced by the atmosphere where it is used. After the initial coloring in different shades of brown, a patina forms over time with shades varying from yellow-green to blue-green. This unique feature accounts for the variety of applications of copper in construction and the widespread use of the material.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

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aurubis bulgaria launches 10 mw solar plant construction

aurubis bulgaria launches 10 mw solar plant construction

SOFIA (Bulgaria), June 24 (SeeNews) - Copper producer Aurubis Bulgaria, part of Germany's Aurubis AG, said on Thursday that it started the construction of a solar plant near its smelter in Zlatitsa, Sofia region.

The 10 MW Aurubis-1 photovoltaic plant will feature over 20,000 solar panels spread on an area of 104,000 sq m and is expected to generate 11,000 MWh per year for the company's own needs, the company said on Thursday.

Aurubis Bulgaria's copper plant was established in 1958 in Srednogorie region, near the towns of Pirdop and Zlatitsa. The company is also an R&D hub developing solutions and improvements for copper extraction and environmental protection.

Hamburg-based Aurubis said last month that the copper concentrate throughput of its smelter in Pirdop decreased by an annual 3% to 660,000 t. in the first half of its fiscal year 2020/2021 started on October 1. Cathode output at Pridop edged up 1% year-on-year to 113,000 t. in the review period, Aurubis said in an interim financial statement.

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aurubis reports profitable fiscal half-year - recycling today

aurubis reports profitable fiscal half-year - recycling today

Hamburg, Germany-based copper producer Aurubis AG has reported significantly higher operating earnings before taxes (EBT) of 185 million euros ($225 million) in the first half of its current fiscal year compared with a 91 million euros ($110.6 million) EBT figure one year ago.

The company credits the 103 percent increase in earnings to significantly higher refining charges for recycling materials, an increased concentrate throughput, strict cost discipline, high product demand and a higher metal result with a strong increase in metal prices.

Aurubis CEO Roland Harings says, Aurubis continues to successfully make its way through the coronavirus crisis. After one year of the pandemic, we can say that its impacts on our result are still minor despite all of the restrictions in place. We owe this to our employees strong sense of responsibility in consistently following the precautions, as well as to the good market environment for companies of the circular economy: our metals and products are benefiting from growing demand from all sectors of the economy.

Looking forward, the company says it expects the pandemics impacts to have very little effect on the rest of the fiscal year. For copper scrap, the company expects very good supply with a continued high level of refining charges. The firm says it expects operating EBT of between 270 million euros ($328 million) and 330 million euros ($401 million) for the 2020-2021 fiscal year.

Finland-based papermaker Stora Enso Oyj says it has joined forces with United Kingdom-based molded pulp packaging technology company Pulpex to industrialize the production of eco-friendly paper bottles and containers made from wood fiber pulp. Molded pulp products also can be made with recycled-content pulp.

The products to be produced will offer an alternative to PET [polyethylene terephthalate] plastics and glass, say the two firms. They add that their partnership leverages Stora Ensos formed fiber technologies and ability to convert end products at an industrial scale.

Pulpex was established by spirits producer Diageoand and Pilot Lite, a venture management company. The partnership aims for large-scale industrial production of what it calls recyclable paper bottles and containers.

We see great potential in combining development skills of Pulpex with our industrial capabilities, says Sohrab Kazemahvazi, senior vice president of formed fiber at Stora Enso. This cooperation marks an important step in bringing to market a truly sustainable alternative to plastic bottles and containers, while offering end-user qualities that match those of traditional packaging in the beverage market.

Using Stora Enso molded fiber, Pulpex says it will produce paper bottles for an array of global brands across a variety of market applications, from homecare and personal care products to alcohol- and non-alcohol beverages and liquid foods.

The customizable Pulpex bottle allow for embossing, labelling and colored pigments to fit brand needs and easily integrates into any packaging manufacturers existing filling infrastructure, say the two companies.

We are delighted to have Stora Enso involved with Pulpex and are looking forward to the tangible benefits of such a formidable collaboration that will undoubtedly help us over the coming months as we seek to make our new, high-speed production lines available to all our partners, says Scott Winston, director of Pulpex.

Pulpex says several consumer products companies, including Diageo, PepsiCo, Unilever, GSK Consumer Healthcare and Castrol, have committed to incorporating Pulpex technology into their branded packaging and collectively aim to produce 750 million paper bottles per year.

The United Kingdom-based GFG Alliance has reportedly hired France-based Rothschild bank to help sell two steel plants in France. GFG has been seeking alternative financing and funding methods since the collapse of Greensill Capitalin March.

The plants were purchased from France Rail Industry, with the Ascoval facility being an electric arc furnace (EAF) steel mill that supplies semi-finished steel to the Hayange facility, where it is converted into rail.

The Ascoval facility in Saint-Saulve, France, uses EAF technology and has the capability to produce 600,000 metric tons of steel blooms, billets and other forged products annually from recycled scrap metal, GFG Alliance business unit Liberty Steel stated in the August 2020 press release announcing the purchase.

Hayange, located in Moselle, France, manufactures a wide range of steel rails for nationally significant infrastructure clients including Frances national rail operator SNCF and RATP, the operator of Paris metro system, [and] produces over 300,000 metric tons of rail per year, Liberty wrote of that facility.

About a week beforethe Financial Times article, GFG and Liberty Steel posted messages on their websites updating customers on the search for financing and announcing the establishment of a Restructuring & Transformation Committee (RTC).

Although at one time GFG chair Sanjeev Gupta had expressed a desire to retain all the companys metals production assets, the RTC has been given full autonomy to restructure Libertys operations to focus on core profitable units, and either fix or sell underperforming units, according to the news release announcing its formation.

Norway-based equipment and technology provider Tomra Systems ASA says its current President and CEO Stefan Ranstrand will be succeeded by Tove Andersen by Nov. 1. Andersen joins Tomra from Norway-based agricultural products and chemicals provider Yara International, where she is currently executive vice president, Europe.

The Tomra Sorting Recycling business unit offers automated sorting equipment to recycling plant operators while its Tomra Collection Solutionsbusiness unit designs and sells reverse vending machines (RVMs) for the automated collection of recyclable beverage containers.

Ive seen the great work that Tomra is doing to enable the circular economy while also ensuring resource responsibility and minimizing waste across the food, recycling and mining industries, Andersen says. It is really motivating to be joining Tomra to lead the resource revolution.

She continues, Im very excited to take on the role as the new CEO of Tomra. Ive seen the impact Tomra is making and to join this company with sustainability at the core of its strategy is a privilege.

Ranstrand, who has been Tomras president and CEO since 2009, says, I am thrilled to welcome Tove Andersen as the new CEO of Tomra. Tove has vast international experience working for Yara, a company like Tomra that has sustainability at the core of its strategy. I look forward to seeing the impact Tove will make in leading the resource revolution.

He continues, I am pleased to be able to personally welcome Tove to Tomra and look forward to working alongside her during the transition. The people of Tomra are what make this company achieve great things for our planet. Tove shares our values of passion, innovation and responsibility. She will be a great leader to take Tomra into the future.

Presenters at an ISRI2021 session titled Financing to maximize growth examined some of the pros and cons of accessing credit for capex needs and delved into the various types of financing firms operating in the capex lending arena.

For waste and recycling companies, there is no one size fits all approach to borrowing money, the presenters at the Institute of Scrap Recycling Industries-hosted sessionseemed to agree. Rather, a variety of factors can influence when it is best to approach a commercial bank, seek a specialty leasing or financing arrangement, or dip into cash reserves.

Brandon Roznovsky, chief financial officer of Brenham, Texas-based Brannon Industrial Group, said he is familiar with the scrap sectors preference to both save cash and to spend it on equipment purchases to avoid debt obligations. However, Roznovsky said a low-interest-rate environment combined with tax incentives available in 2021 make it a pretty good time to borrow.

Kevin Canepa, director of sales at Pittsburgh-based Vision Financial Group Inc., said there also is an opportunity cost aspect to conserving cash rather than paying upfront for plant and equipment. Finance experts generally recommend that you have a cash reserve of three to six months, said Canepa, the wisdom of which can be seen in light of the circumstances of restaurant owners and others affected by COVID-19-related restrictions.

Having that cash on hand demonstrates financial stability, allows you to meet bank covenants for liquidity ratios and financial statements, and it allows you to look at opportunity costs, said Canepa.

As an example, he continued, If I were to pay $300,000 for [a] car crusher today, whats the opportunity cost for not having that cash, versus leasing it and paying $10,000 a month [and] getting an immediate cash return on your investment?

Both Roznovsky and Mike Taranovich of Bradenton, Florida-based Proterra Recycling Systems Inc. said boutique lenders and lease providers such as Vision Financial can expedite the financing process because of their familiarity with the waste and recycling sector.

Ive dealt with [banks] who didnt have a clue what a cardboard screen was or an optical sorter, and it just really slows down the entire process, said Taranovich. By dealing with people who know the market, I dont have to re-educate [a lender] every time, and that speeds up the process.

According to Vision Financial, If you buy or lease a piece of qualifying equipment, you can deduct the full purchase price from your gross income. Its an incentive created by the U.S. government to encourage businesses to buy equipment and invest in themselves.

The website of Denver-based technology firm Enavate says Section 179 applies not only to equipment but also qualifying software. According to Enavate, that means not only off-the-shelf software but also software as a service (SaaS), enterprise resource planning (ERP) and customer relationship management (CRM) products, plus some other specialty products.

aurubis: first copper anodes produced with hydrogen

aurubis: first copper anodes produced with hydrogen

Today, Aurubis started the series of tests for hydrogen use on an industrial scale in copper anode production at the Hamburg plant. The pilot project in which hydrogen and nitrogen were introduced in the production facility (anode furnace) instead of natural gas went according to plan. Initially, the current tests will gauge the reaction of the facility to the introduction of hydrogen and ensure that the individual production steps, which are highly sensitive in the energy-intensive metal production process, run smoothly.

In the medium term, hydrogen could replace fossil fuels in the production process, making production more climate-friendly overall. Due to hydrogens high reactivity, Aurubis expects enhanced efficiency in the production process as well. The hydrogen for the tests at Aurubis is supplied by Air Liquide, a long-term Aurubis partner that operates an oxygen unit on the Hamburg plant premises, among other things.

With the first-time use of hydrogen on an industrial scale, Aurubis demonstrates another key step towards carbon-neutral multimetal production: while the conventional use of natural gas as a reducing agent forms carbon dioxide, the use of hydrogen only generates water vapor as a by-product. Hydrogen has long been considered the energy source of the future. In addition to electricity, it can become the energy source of today if competitive parameters are created for its use. With the successful start of the hydrogen pilots, Aurubis shows how the carbon-neutral future can look with the help of innovation, said Aurubis AG CEO Roland Harings. He emphasized, When it comes to climate protection, Aurubis has been a forerunner for a long time already. We support the goal of a carbon-neutral continent by 2050. As a multimetal company, we can and want to contribute to this goal through innovative products and production processes.

Aurubis CO2 footprint is already considerably lower than the industry average: With the current processes, Aurubis emits compared to the average of all copper smelters about half of the global CO2 footprint per ton of copper output. By using hydrogen, we can achieve additional significant emission reductions, remarked Plant Manager Dr. Jens Jacobsen. The savings potential for the Hamburg smelter in this area alone amounts to 6,200 tons of CO2 annually.

Hamburg is a forward-looking region for innovative climate protection. Today, Aurubis is taking a crucial step to make industry more climate-friendly, said First Mayor of Hamburg Dr. Peter Tschentscher. Hydrogen is the central energy source of the energy transition. Generated from renewable energies, it can replace coal, crude oil, and natural gas in industry, as a CO2-free fuel in transport, as a means of flexible energy storage, and as a sustainable energy source in many other areas. Hydrogen is already being used in Hamburg in a number of pilot projects on a large scale, like the one here at Aurubis. Our goal is to become the biggest hydrogen center of the north: in sustainable production, technology development, and the establishment of a strong hydrogen economy.

The extensive tests starting on May 27 will investigate hydrogen use in continuous operation until the late summer. The long-term goal is to determine the conditions under which hydrogen can be used for poling purposes in the anode furnace instead of natural gas. Furthermore, the technical insights that are gathered in this process are intended to establish the foundation for additional hydrogen activities in the Group.

We are glad to have the support of the city and to do our part in making Hamburg the hydrogen hub of northern Germany. If the tests go positively in late summer, this will open up additional opportunities to use hydrogen as an alternative, at Aurubis and beyond, underlined Ulf Gehrckens, Senior Vice President Corporate Energy & Climate Affairs at Aurubis. The Hamburg Authority for Economic Affairs and Innovation supports the project, financially and otherwise.

Aurubis is committed to the goal of becoming carbon-neutral by 2050 at the latest and is already successfully implementing CO2 reduction projects at all of the companys production sites. These include the use of industrial waste heat, the power-to-steam procedure, and wind energy for sustainable electricity generation.

Aurubis AG is a leading global provider of non-ferrous metals and one of the largest copper recyclers worldwide. The company processes complex metal concentrates, scrap metals, organic and inorganic metal-bearing recycling materials, and industrial residues into metals of the highest quality. Aurubis produces more than 1 million tons of copper cathodes annually, and from them a variety of products such as wire rod, continuous cast shapes, profiles, and flat rolled products made of copper and copper alloys. Aurubis produces a number of other metals as well, including precious metals, selenium, lead, nickel, tin, and zinc. The portfolio also includes additional products such as sulfuric acid and iron silicate.

Sustainability is a fundamental part of the Aurubis strategy. Aurubis responsibly transforms raw materials into value following this maxim, the company integrates sustainable conduct and business activities into the corporate culture. This involves a careful approach to natural resources, responsible social and ecological conduct in everyday business, and sensible, healthy growth.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Necessary cookies help to make a website usable by enabling basic functions such as page navigation and access to secure areas of the website. The website cannot function properly without these cookies.

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cathodes

cathodes

A cathode a 50 to 80 kg copper square is produced when pure copper separates from unwrought copper in an electrolytic refining process. Aurubis produces about 1.2 million t of cathodes with a copper content of at least 99.99 % per year in Germany (Hamburg, Lnen), Belgium (Olen) and Bulgaria (Pirdop) Aurubis cathodes are produced with ISA Technology and comply with the cathode standards LME Grade A, Cu-CATH-1 (EN 1978) and Copper Cathodes Grade 1 (ASTM B115). Aurubis cathode production sites are all certified in accordance with ISO 9001 and ISO 14001. Copper cathodes with specific maximum impurity levels are also registered and traded on the London Metal Exchange and the Comex. High-quality copper is distinguished by low impurity levels, as even the smallest amounts of selenium, bismuth or antimony in the ppm range can strongly influence conductivity. The Aurubis copper cathode brands NA-ESN, HK, OLEN and PIRDOP are registered on the LME and have a very high level of purity and constant quality, regardless of the input materials. These cathodes form the basis for our high-quality copper products.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Necessary cookies help to make a website usable by enabling basic functions such as page navigation and access to secure areas of the website. The website cannot function properly without these cookies.

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recycling technology

recycling technology

The recycling processes at Aurubis depend on the consistency and chemical composition of the raw materials. Various procedures enable Aurubis to process an especially wide range of recycling materials in a competitive and environmentally sound manner. Apart from copper, these materials are used to produce by-products such as precious metals, nickel, tin, lead and zinc.

Copper scrap, electronic scrap and residues are used as input material in the Aurubis recycling center in Lnen. The Kayser Recycling System is well suited for utilizing recycling materials with low copper and precious metal contents and very complex materials such as electric and electronic scrap.

Material preparation If necessary, processing begins with sampling, followed by a material preparation step. Depending on consistency and composition, the raw materials are then crushed, treated in a material preparation plant or directly conditioned into input mixtures. This ensures that very coarse, moist or dusty materials can be treated. Aluminum and plastics are separated from the materials in some cases and sold to other recycling companies.

Smelting and refining Pyrometallurgical preparation smelting and refining begins in the Kayser Recycling System (KRS). The central operation is a submerged lance furnace which is almost 13 m high. A special feature is the use of a submerged combustion lance, which is immersed into the furnace from above and supplies the process with heating oil, oxygen and air.

Copper, nickel, tin, lead and the precious metals contained in the raw materials are enriched in an alloy with a copper content of about 80 %. In a top blown rotary converter (TBRC) the copper content is further enriched to 95 % and tin and lead are separated into a slag. The tin-lead slag is subsequently processed into a tin-lead alloy in the directly connected tin-lead furnace. During the KRS process, zinc is enriched in the KRS oxide, a flue dust.

Unwrought copper is produced with an average copper content of 95 % and is further processed in the anode furnace in a molten form. It is refined with additional amounts of copper scrap. The melt is initially oxidized with air and oxygen and then deoxidized with natural gas after the slag that has formed has been removed. At the end of the pyrometallurgical process, the meanwhile 99 % pure copper is cast into copper anodes. This is the starting product for the final refining stage of secondary copper production, the copper tankhouse process, where high-grade copper cathodes are produced in a quality identical to copper cathodes from primary copper production. Important by-products, in particular gold and silver, are enriched in the anode slimes. Nickel is extracted as crude nickel sulfate from electrolyte treatment. From copper recycling-materials to cathodes:

Copper scrap, electronic scrap and residues are used at Aurubis Hamburg (Germany). The basic material for Hamburgs secondary copper production process consists of a variety of recycling materials rich in precious metals as well as intermediate smelter products originating both from Aurubis production plants and from external metal smelters and precious metal separating plants. The focus of secondary copper production in this case is on enriching and recovering precious metals and separating various by-metals that result from the copper production process.

In accordance with the requirements of the specific raw materials, these materials are processed in a modern electric furnace in various smelting campaigns. The most important target is the pyrometallurgical separation of lead and copper and the enrichment of precious metals.

By-elements still existing during copper production, such as lead, bismuth, antimony and tellurium, are separated in the connected lead refinery and sold as lead bullion, lead-bismuth alloy, antimony concentrates and tellurium concentrates. The precious metals are fortified in a so-called rich lead, which has a precious metal content of about 70 %.

The anode slimes from the Aurubis copper tankhouses are processed together with the rich lead from the lead refinery in the precious metal production plant. With Aurubis modern, environmentally friendly precious metal production facilities,the companycovers a wide range of feed materials rich in precious metals. Thus, Aurubis also processes anode slimes from other copper smelters, bullion, precious metal and coin scrap as well as precious metal-bearing sweeps and slag. In addition to fine silver, fine gold and concentrates of the platinum group metals, sales products from this process include wet selenium, which is processed at the Aurubis subsidiary Retorte GmbH.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Necessary cookies help to make a website usable by enabling basic functions such as page navigation and access to secure areas of the website. The website cannot function properly without these cookies.

Cookies are small text files that websites use to make users experience more efficient, to provide certain functions, or to enable certain analyses. This site uses different types of cookies . Some cookies are placed by third parties that appear on our sites. We have no technical influence on cookies placed by third parties.

sulfuric acid

sulfuric acid

Sulfuric acid is used in almost all industrial sectors. Typical areas of application are in the production of fertilizers and pigments as well as metal ore leaching. In addition, sulfuric acid is used extensively in the chemical industry, whether in fiber production, hydrofluoric acid production, chlorine drying or one of many other applications.

Our customers appreciate our remarkably high degree of supply security. Because our productionplants are equipped with extensive cleaning facilities, our products are regarded as beingamong the best available qualities.

For particularly quality-conscious customers who specifically require low mercury levels, our premium quality producedat our Hamburg plant with the use of additional cleaning processes is a very attractive option.

The quality of the sulfuric acid is currently being monitored. Aurubis documented Quality Management System for production and marketing corresponds with the standards of DIN EN ISO 9001:2015. It was certified by TV Nord. An independent Quality Control Department at Aurubis monitors compliance with the requirements. Our laboratories are equipped with state-of-the-art technologies in order to ensure constant and efficient quality control.

We have more than a dozen separate tanks at our disposal, ensuring that different qualities can be stored at the same time in large quantities. In this way we are able to offer an extraordinary degree of flexibility in delivery.

We also supply our second site with sulfuric acid from these tanks. More than 300 tank wagons as well as locomotives reserved for these transports enable us to move our acid quickly and flexibly in block trains to the first privately owned terminal for liquid chemicals in the Black Sea region, which is located in the port of Varna West and operated by Oiltanking Bulgaria AD. At this facility we have three tanks with a capacity of almost 35,000 t available exclusivelyto us. This enables us to load ships of any conventional size for our regional and global customers quickly and smoothly.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Aurubis would like to offer you the best possible service. To do this, we store information about your visit in so-called cookies. You can find detailed information about the use of cookies on this website under Show details. You can check or uncheck the options in the following selection bar to choose which of the different cookies you want to accept. However, you cannot deselect necessary cookies. By clicking OK, you agree to the use of cookies.

Necessary cookies help to make a website usable by enabling basic functions such as page navigation and access to secure areas of the website. The website cannot function properly without these cookies.

Cookies are small text files that websites use to make users experience more efficient, to provide certain functions, or to enable certain analyses. This site uses different types of cookies . Some cookies are placed by third parties that appear on our sites. We have no technical influence on cookies placed by third parties.

aurubis strategy

aurubis strategy

Copper is the material of progress and development. Copper can be recycled without any loss of its outstanding properties in terms of electrical and thermal conductivity, making it the ideal material for energy generation and transmission, the electronics industry, the automotive sector and telecommunications. Copper is also corrosion-resistant, anti-bacterial and highly malleable, further qualifying it for many other applications which are also needed to ensure the sustainable development of societies and economies. The use of high-quality copper and copper products is not only increasing in line with rising living standards; more importantly, it is a precondition for growth and development. Copper demand per capita is expected to continue increasing globally.Aurubis covers the entire value-added chain, from the production of high-quality copper made of primary and secondary raw materials to the fabrication of copper products, such as wire rod, continuous cast shapes, strip made of copper and copper alloys, brass rod and shaped wires, bars and profiles. This also includes the production of precious and rare metals and other products, such as sulfuric acid and iron silicate.

With our excellent production capabilities in smelting, refining and recycling, we are one of the leading copper companies in the world. Integrated processes in primary and secondary copper production enable us to extract and process a wide range of materials and elements, providing us with a strong competitive edge. In copper production, we build on production capabilities in areas such as casting, deformation and surface treatment to produce high-quality copper products from cathodes from our own production processes, ensuring their availability and quality. Our strategy is to leverage our integrated copper production capabilities in smelting, refining, extraction, recycling and processing, generating the highest value from various and especially complex raw materials. We focus on products for growing applications in which the specific properties of copper and copper alloys, particularly those related to conductivity, provide added value to our industrial customers in developed and emerging countries.Aurubis is committed to continuous improvement in its operations to defend and expand its leading position in the industry. We seek innovative solutions in processes, products, services and business models to exploit and develop our capabilities within the integrated copper value-added chain.

We will seize opportunities for business growth and consolidation in the copper processing industry. We will leverage our production capabilities in order to grow in the copper production and recycling sectors, especially in developing regions of the world.Our growth and profitability targets are to achieve 10% growth in annual gross profit and a 15% return on capital employed (ROCE) during the business cycle, creating value for our shareholders.

We consider the competence and commitment of our employees to be an integral part of our capability-driven strategy. Therefore, we put a strong emphasis on developing the skills and technical knowledge of our workforce and ona performance-oriented compensation system. This enables our employees to achieve the best results and provide our customers with the highest quality products and services.

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aurubis: production figures 2020 | statista

aurubis: production figures 2020 | statista

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