重金属加压浸出技术现状及展望

加压浸出作为一种高效的湿法冶金手段,迄今为止已在铜、锌、镍、钴等重金属行业,以及铀、钼、黄金和铂族等稀贵金属行业得到推广应用。总结了重有色金属铜、铅、锌、镍、钴行业和冶炼过程副产物加压浸出技术研究和工业化应用现状,包括复杂硫化铜矿、铜钴矿、硫化砷渣、黑铜泥、铜阳极泥、白烟尘和铜钴冶炼转炉渣加压浸出,复杂硫化锌矿、锌浸出渣、赤铁矿除铁、镓锗富集物、铜渣等加压浸出,硫化镍矿、红土镍矿、白合金、铜渣和钴冰铜加压浸出等。最后,对加压浸出技术在重有色金属行业未来发展趋势进行了展望。

Status and Prospect on Pressure Leaching Technologies for Heavy Metals

Pressure leaching technology, a hydrometallurgical process with high efficiency, has been widely used in heavy metal industry of Cu, Zn, Ni and Co, and also in rare and precious metal industry of U, Mo, Au and PGMs. Application and research status of pressure leaching technology in heavy metal industry of Cu, Pb, Zn, Ni, Co and their by-products were summarized, including primary minerals such as Cu, Zn, Ni and Co sulfides, nickel laterite, as well as by products in metallurgical processes such as copper anode mud, arsenic residue, copper mud, waste dusts, smelting slag bearing copper and cobalt, zinc leaching residue, enrichment containing Ga and Ge, lead matte, copper residue, cobalt matte etc. On the basis of summarization, future development trend of pressure leaching technology in heavy metal industry is prospected.