摘要
我国每年产生各类硬锌多达14万t,处理方法多种多样。文章对工业生产中所产硬锌进行了分类,简要介绍了铅硬锌与铝硬锌的不同点,着重阐述了当前工业应用中各硬锌处理工艺的特点,同时对正在研究的一些硬锌处理方法进行了归纳,最后对我国硬锌处理的发展前景作了简单的展望。
A variety of hard- zinc with the amount of about 140 thousand tons per year are produced in China, and there are many methods developed to dispose them. In this paper, hard - zinc produced by the industry is classfied and the differences between lead hard - zinc and aluminum hard - zinc are briefly introduced. The technics features of hard - zinc disposal applied in current industry are mainly specified. Finally some disposal methods under research of hard - zinc are summed up and the developing tendency of disposal hard - zinc in future are indicated.
出处
《湖南有色金属》
CAS
2008年第1期16-19,52,共5页
Hunan Nonferrous Metals
关键词
硬锌
蒸馏
隔焰炉
真空炉
加铝除铁
精馏
hard - zinc
distillation
flame - proof furnace
vacuum furnace
iron removal with addition of alu- minum
rectification