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国内外现有铜阳极泥提取贵金属,大都采用硫酸化焙烧,蒸硒,浸出脱铜,然后在贵铅炉、分银炉中火法富集贵金属,再进行银电解,金电解,分离提纯金、银,最后回收铂族金属。这个工艺的缺点是流程冗长复杂,需要很多设备;工艺过程间断性生产,各工序未脱离繁重的手工操作,劳动条件差,劳动强度大;金属损失大,回收率不高;贵铅炉、分银炉高温操作,放出有害烟气,对工人身体
The existing domestic and foreign copper anode mud extraction of precious metals, most of the use of sulfated roasting, steamed selenium, leaching of copper, and then in your lead furnace, sub-silver furnace enrichment of precious metals fire, and then silver electrolysis, gold electrolysis, separation and purification of gold , Silver, platinum metal recovery last. The disadvantage of this process is that the process is lengthy and complex and requires a lot of equipment. The production process is intermittent, the processes are not separated from the heavy manual operation, the working conditions are poor, the labor intensity is large, the metal loss is large and the recovery rate is not high. Silver furnace operation at high temperature, emit harmful fumes on the worker’s body