Material and heavy metal balance in a recycling facility for home electrical appliances

概要

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Collection and recycling of home electrical appliances was started in Japan in 2001under a new recycling law. The law is aimed at promoting material recycling and atreducing the amount of waste to be landfilled. End of life products are processed by manualdisassembly, shredding, and separation in 38 recycling facilities. The authors conducted aquestionnaire survey and interviewed at some facilities to obtain information on processflow and material balance. By using the detailed records offered by one facility and byestimating the composition of recovered components, the material balance in the facilitieswas determined for four typical recycling processes. The heavy metal content of therecovered components was analyzed, then metal flow in the process was determined foreach scenario. As a result, it was concluded that emissions to the environment of mostheavy metals have been substantially reduced by the new recycling system, while a modestimprovement in the rate of material recovery has been achieved.
Elsevierの論文