Recoveral process of cobalt in smelting waste of zinc was reported and the technological conditions were discussed.
介绍了锌冶炼厂废渣中钴的回收工艺，对各步工艺条件进行了探讨。
The present situation on the treatment of various smelting waste slag of non-ferrous metal industry in Chine are discussed briefly.
本文扼要讨论了我国有色金属工业中各种冶炼废渣处理的现状。
For power the company USES the excess heat generated by existing industrial processes such as smelting, energy that currently goes to waste.
至于能量，该公司则使用熔炼等现有工业流程中所产生的余热，这种能量目前通常都被浪费掉了。
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