鼓风炉冶炼粗铅过程中,除产出粗铅及炉渣外,还产出冰铜和黄渣,黄渣是铜镍钴砷化物的熔合体,也称为砷冰铜。主要成分为铁的砷(锑)化物,常混有一定量的铜和铅的砷(锑)化物。 原料中的镍、钴及贵金属也进入黄渣。黄渣的熔点随组成而异,一般在1050~1100℃之间。
熔炼基本上是一个熔化过程,在此过程中炉料的组元在熔融状态下分解为两层或多层,这些层次可以是熔渣、冰铜、黄渣或金属。
Smelting is essentially a melting process in which the components of the charge in the molten state separate into two or more layers which may be slag, matte, speiss or metal.
介绍了以硫铁矿烧渣为原料,采用湿法硫酸盐氧化法制备氧化铁黄的工艺过程。
The technological process for the preparation of iron yellow from iron sulfide slag by sulfate oxidation method is described.
本文对苹果渣固体发酵生产黄腐酸工艺及产物分离提取条件进行了优化研究。
The technology of solid state fermentation and extraction of Fulvic acid with apple pomace has been studied.
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