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Table 1.3 E-waste material composition (Widmer et al., 2005) Material Iron and steel Non-flame retarded plastic Copper Glass Flame retarded plastic Aluminum Printed circuit boards Other Wood & plywood Concrete & ceramics Other metals (non- ferrous) Rubber Composition (wt. %) 47.9 15.3 7 5.4 5.3 4.7 3.1 4.6 2.6 2 1 0.9 Official product take-back systems; Disposal with mixed-residue waste; Collection outside official take-back systems in developed countries Informal collection and recycling, such as in developing countries. Appropriate management of e-waste has been a major topic of technical and political discussion for the last two decades, due to the lack of appropriate handling of e-waste in the late 1990s and early 2000s. The Directive on Waste Electrical and Electric Equipment (WEEE Directive) and the Directive on the Restriction of the use of certain Hazardous Substances in electrical and electric equipment (RoHS Directive) are two pieces of legislation that have been put in place in the European Union (Directive 2012/19/EU; Directive 2002/95/EC; Directive 2002/96/EC). These directives focus on promoting the collection, identifying producer responsibilities, and restricting the use of hazardous substances in electrical and electronic equipment (Directive 2012/19/EU; Directive 2002/95/EC; Directive 2002/96/EC). In U.S., even though there is no federal take-back legislation, 25 states have laws that require e-waste recycling 5PDF Image | HYDROMETALLURGICAL TREATMENT OF E-SCRAP
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