废弃物是放错地方的资源近年来,由于我国正处于工业化和城市化快速发展的关键时期,经济发展对矿产资源需求巨大,矿产资源对外依存度也越来越高。其中,石油对外依存度已超过50%,铜矿石超过60%,铁矿石接近70%。与此同时,城市中每年产生大量报废或废弃产品,环境污染压力日趋增大,每年都会产生大量废弃资源。再生资源回收利用行业在缓解资源短 Waste is a misplaced resource In recent years, as China is in a crucial period of rapid industrialization and urbanization, its economic development has huge demand for mineral resources and its dependence on foreign resources is getting higher and higher. Among them, the dependence on foreign oil has more than 50%, more than 60% of copper ore, iron ore close to 70%. In the meantime, a large amount of scrapped or discarded products are produced in the cities every year, and the pressure of environmental pollution is increasing day by day, resulting in a large amount of abandoned resources every year. Recycling resources recycling industry in the ease of resources short