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Treatment of Metal Wastes with Deep-sea Manganese Nodules

机译:深海锰结核处理金属废物

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摘要

The Deep-sea Manganese nodules were treated by reduction-smelting process with adding the spent Ni-Cd battery or the spent catalyst containing cobalt for recovery of nickel and cobalt metals. The nickel in the spent Ni-Cd battery could be recovered with adding 5% coke as a reducing agent regardless of the amount of battery added. However, to recover cobalt from the spent catalyst, it is required to add more coke for reduction of cobalt oxide in the catalyst. The treatment of metal wastes with manganese nodules can contribute to lower the cost for the processing of nodules and to facilitate the recycling of metal wastes.
机译:深海锰结核通过还原冶炼工艺进行处理,添加废镍镉电池或含钴废催化剂以回收镍和钴金属。可以通过添加5%的焦炭作为还原剂来回收用过的Ni-Cd电池中的镍,而不考虑电池的添加量。但是,为了从废催化剂中回收钴,需要添加更多的焦炭以还原催化剂中的氧化钴。用锰结核处理金属废物可有助于降低结核处理的成本并促进金属废物的回收。

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