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矿冶:2022,31(4):-
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内蒙古某复杂铅锌多金属矿浮选试验研究
黄雪约1, 张其东2, 尚 鹤2, 陈 松2, 李京泽2
(1.广西壮族自治区固体废物和化学品环境管理中心;2.有研资源环境技术研究院北京有限公司)
Experimental study on floatation of a complex Pb-Zn polymetallic sulfide ore in Inner Mongolia
HuangXueyue1, ZhangQidong2, ShangHe2, ChenSong2, LiJingze2
(1.Solid Waste & Chemical Environmental Management Center of Guangxi Zhuang Autonomous Region;2.GRINM Resources & Environment Tech. Co., Ltd.)
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投稿时间:2022-07-03    修订日期:2022-07-05
中文摘要: 对内蒙古某复杂铅锌多金属矿进行了详细的工艺矿物学研究,研究发现该矿石中矿物种类繁多,矿物间嵌布关系复杂,可回收有价金属元素为铅、锌、银,分别以方铅矿、闪锌矿、自然银和硫化银的形式存在;通过浮选试验研究得到最佳的工艺流程和药剂制度:磨矿细度-0.074mm占65%,铅回路粗选pH为10.7,硫酸锌和亚硫酸钠为锌抑制剂,BM-3为捕收剂,控制矿浆电位-320mv,精选2次,扫选2次;锌回路粗选pH大于12,硫酸铜为活化剂,丁基黄药为捕收剂,精选2次,扫选2次,闭路可得到铅品位68.81%,铅回收率90.76%的铅精矿和锌品位52.83%,锌回收率89.91%的锌精矿,其中铅精矿、锌精矿种银的总回收率为82.54%,优于生产指标,同时还大幅缩短了工艺流程。
中文关键词: 铅锌矿  浮选  电位控制  可浮性
Abstract:A detailed process mineralogy study was carried out on a complex lead-zinc polymetallic ore in Inner Mongolia. It was found that there are many kinds of minerals in the ore, and the embedding relationship between minerals is complex. The recoverable valuable metal elements are lead, zinc and silver, which exist in the form of galena, sphalerite, natural silver and silver sulfide respectively; The best technological process and reagent system are obtained through flotation test research: grinding fineness -0.074mm accounts for 65%, lead circuit roughing pH is 10.7, zinc sulfate and sodium sulfite are zinc inhibitors, BM-3 is a collector, control pulp potential -320mv, select twice, sweep twice; The pH of roughing in the zinc circuit is greater than 12, copper sulfate is the activator, butyl xanthate is the collector, the concentration is twice, and the scavenging is twice. The closed circuit can get lead concentrate with lead grade of 68.81%, lead recovery rate of 90.76%, zinc concentrate with zinc grade of 52.83%, and zinc recovery rate of 89.91%. Among them, the total recovery rate of lead concentrate and zinc concentrate silver is 82.54%, which is better than the production index, and also greatly shortens the process flow.
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基金项目:国家重点研发计划(2021YFC1910502);
引用文本:
黄雪约,张其东,尚 鹤,陈 松,李京泽.内蒙古某复杂铅锌多金属矿浮选试验研究[J].矿冶,2022,31(4):.

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