进行了含金物料直接熔炼粗铜捕集回收金、银的试验研究。
This paper describes the experimental investigation on producing blister copper and recovering gold and silver by direct smelting of gold-bearing material.
粗铜酞菁生产尾气中的氨可用硫酸吸收制硫酸铵，粉尘可用捕集器回收。
Ammonia in exhaust gas from the production of crude phthalocyanine blue can be absorbed by sulfuric acid to produce ammonium sulfate and dust recovered by precipitator.
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