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铁板、铁丝、和其他制品在热镀锌时,获得两种含锌的废料——锌渣或镀锌槽表面的浮渣和槽底含锌金属物(含有铁质的锌)。虽然,锌渣含锌量约计75％,它的形式为金属块和金属氧化物,每年有上千吨的锌进入这些废料内,但由於未有处理这种废料的技术操作流程,因此,这和锌渣直到现在还没有得到应有的利用。在最近几年内,觉和政府对扩大人民的消费品和镀锌制品的产量,曾采取了一系列的决定,因此,我们可以意料到今后锌渣的产量将会大大地增加。根据再生有色金属管理总局的数据,在最近几年内每年可能产出几万吨锌渣。
Iron, wire, and other products In hot-dip galvanizing, two types of scrap containing zinc are obtained - scum on the surface of the dross or bath, and zinc-containing metal on the bottom of the trough (iron containing zinc). Although zinc dross contains about 75% of zinc, it is in the form of metal lumps and metal oxides, and thousands of tonnes of zinc enter these wastes each year, but since there is no technical process to treat such wastes, And dross until now have not been properly used. In recent years, the government and government have taken a series of decisions to expand the production of consumer goods and galvanized products. Therefore, we can expect that the output of dross will be greatly increased in the future. According to the data of the Bureau of Nonferrous Metals Recycling, tens of thousands of tons of dross may be produced each year in recent years.