介绍了用热的浓硫酸处理废硬质合金，回收金属钴和碳化钨的方法。
This article reports on a method of retrieving cobalt metal and tungsten carbide from hard alloy scrap by the sulphate method.
采用该法，只须采用破碎和细磨，不经任何化学处理，就能高质量地回收利用废硬质合金。
High quality hard metal can be prepared by simple breaking and grinding from hard metal scrap without any chemical treatment.
对电溶法处理废硬质合金的原理进行了分析，对电溶法处理钴含量低于8%的废硬质合金进行了工艺研究。
The technique of processing of cemented carbide scrapes is analysed, and the processing of Co(<8%) cemented carbide scrapes by electrochemical method is studied in the experiment.
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