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有色金属(冶炼部分):2015,(10):58-61
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循环流态化焙烧低硫金精矿的生产实践
李 云,刘洪晓,杨洪中,黄海辉,王 云
(北京矿冶研究总院,新疆星塔矿业有限公司,招远市招金贵合科技有限公司,北京矿冶研究总院,北京矿冶研究总院)
Plant Practice of Roasting Technology for Low-sulfur Bearing Gold Concentrates with Circulating Fluid Bed
Li Yun,Liu Hongxiao,Yang Hongzhong,Huang Haihui and Wang Yun
(Beijing General Research Institute of Mining and Metallurgy,,,,)
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投稿时间:2015-03-25     修订日期:2015-03-25     录用日期:2015-03-30     网络发布日期:2015-09-18
中文摘要: 低硫金精矿再浮选产出含硫25%的二次金精矿与低硫含金尾渣。对二次金精矿进行两段焙烧,再对两段焙烧的焙砂氰化尾渣与低硫含金尾渣进行循环流态化焙烧。结果表明,经过循环流态化焙烧预处理后,低硫含金尾渣中载金硫化物等包裹金矿物焙烧反应充分,金的氰化浸出回收率较改造前提高了3个百分点左右。
Abstract:Low-sulfur bearing gold concentrates were floated to output secondary floatation gold concentrates bearing 25% sulfur and tailings of low-sulfur gold concentrates. Secondary floatation gold concentrates were two-stage roasted. The results show that gold-bearing sulfides react completely and inclusion gold is fully exposed after circulating fluidization roasting. Gold cyanidation leaching rate is improved by 3 percentage point after transformation.
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基金项目:国土资源部公益性行业科研专项(201211069-02);国家“十二五”科技支撑计划项目(2012BAB08B04)
引用文本:
李 云,刘洪晓,杨洪中,黄海辉,王 云.循环流态化焙烧低硫金精矿的生产实践[J].有色金属(冶炼部分),2015(10):58-61.
Li Yun,Liu Hongxiao,Yang Hongzhong,Huang Haihui,Wang Yun.Plant Practice of Roasting Technology for Low-sulfur Bearing Gold Concentrates with Circulating Fluid Bed[J].Nonferrous Metals (Extractive Metallurgy),2015(10):58-61.

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