Developing efficient and cost effective solar dryer with thermal energy storage system for continuous drying of agricultural food products at steady state and moderate temperature (4075C) has become potentially a viable substitute for fossil fuel in much of the developing world. Solar energy storage can reduce the time between energy supply and energy demand, thereby playing a vital role in energy conservation. The rural and urban populations, depend mainly, on non-commercial fuels to meet their energy needs. Solar drying is one possible solution but its acceptance has been limited partially due to some barriers. A great deal of experimental work over the last few decades has already demonstrated that agricultural products can be satisfactorily dehydrated using solar energy. Various designs of small-scale solar dryers having thermal energy storage have been developed in the recent past, mainly for drying agricultural food products. Therefore, in this review paper, an attempt has been taken to summarize the past and current research in the field of thermal energy storage technology in materials as sensible and latent heat in solar dryers for drying of agricultural food products. With the storage unit, agricultural food materials can be dried at late evening, while late evening drying was not possible with a normal solar dryer. So that, solar dryer with storage unit is very beneficial for the humans and as well as for the energy conservation.
Dichloromethane (also commonly known as Methylene Chloride, Methylene Dichloride, Di-clo and DCM) is a clear, slightly sweet smelling organic liquid chemicalsolvent which can be pose significant workplace safety risks if strict handling instructions are not followed.
Classified as a neurotoxin, dichloromethane has been proven to cause damage to the brain and central nervous system (CNS). TheEnvironmental Protection Agency (EPA) has classified it as a probable humancarcinogen since high levels of exposure to the chemical has been proven to cause liver and lung cancer in animals.
Dichloromethane is highly volatile and should be stored in a cool, dry area in tightly closed, labeled containers. This chemical needs to be kept away from metals, light and any source of heat or ignition.
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