The pressure oxidative leaching of copper slag with high iron and silicon content was studied systematically.
对火法炼铅产高硅高铁含铜渣进行了氧压硫酸浸出过程研究。
The result of this study reveals that REE are concentrated in slag mainly during the smelting process, and total content of REE in the copper ingots is very low.
结果发现稀土元素在铜矿冶炼过程主要富集在炼渣中，金属铜中的稀土元素含量很低。
It is necessary to recover and use the copper slag resulted from scrap copper regeneration because of the higher copper content in slag.
运用废铜熔炼再生产出的钢炉渣，渣中含铜量高，很有必要回收和利用。
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