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國外某銅鉛銀鋇多金屬礦的分離與回收工藝

發(fā)布時(shí)間:2018-04-03 00:27

  本文選題:氧化銅 切入點(diǎn):混合浮選 出處:《過程工程學(xué)報(bào)》2017年04期


【摘要】:對(duì)國外某銅鉛銀鋇多金屬礦進(jìn)行銅鉛混合浮選、抑鉛浮銅、浸出、重選等實(shí)驗(yàn)研究,最終確定采用銅鉛混浮-精礦浸出-尾礦重選的選冶聯(lián)合工藝流程,實(shí)現(xiàn)了銅、鉛、銀、鋇資源的綜合回收.結(jié)果表明,原礦含銅1.52%、鉛7.84%和BaSO_4 29.91%,銀品位為243.8 g/t,經(jīng)混合浮選得混合精礦含銅8.09%、鉛47.21%、銀1389.4 g/t,回收率分別為85.50%,92.91%,87.93%;在室溫(25℃)、浸出劑濃度0.6 mol/L、液固質(zhì)量比4、浸出時(shí)間50 min的條件下浸出,獲得了銅、鉛、銀浸出率分別為84.95%,5.56%,21.04%的浸出液和含銅1.54%、鉛64.23%、銀1 787.6 g/t的浸出渣.浮選尾礦經(jīng)搖床重選后得BaSO_4品位為95.37%、回收率為35%的鋇精礦.
[Abstract]:The copper-lead mixed flotation, flotation, leaching and gravity separation of copper, lead, silver and barium polymetallic ore were carried out in foreign countries. Finally, the combined flotation process of copper and lead mixed floating-concentrate leaching-tailings gravity separation was adopted to realize copper, lead, silver, and so on.Comprehensive recovery of barium resources.The results show that鍘熺熆鍚摐1.52%,閾,

本文編號(hào):1702823

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