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废旧家电中的金属回收一般采用火法或物理工艺,回收的顺序一般是铁和铁合金,铜、铝、铅、锡等其它金属。其中,铜是百分百的可回收物。我国废铜产业发展已有几十年的历史,形成以废铜直接利用为主、精炼电铜为辅的产业结构;从回收、拆解到加工利用,已形成一条完整的产业链。长江三角洲、珠江三角洲、环渤海地区是我国经济的发达地区,属于铜的矿产资源紧缺区域。同时,三个区域
Metal recycling in used household appliances generally uses pyrometallurgical or physical processes. The order of recycling is generally iron and iron alloys, copper, aluminum, lead, tin and other metals. Among them, copper is 100% recyclable. The development of the scrap copper industry in China has a history of several decades. An industrial structure based on the direct use of scrap copper and supplemented by refined copper is formed. From recycling and dismantling to processing and utilization, a complete industrial chain has been formed. The Yangtze River Delta, the Pearl River Delta, and the Bohai Rim are China’s economically developed regions and belong to the copper-mining resource region. At the same time, three areas