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有色金属(冶炼部分):2017,(4):48-51
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某复杂低汞硒渣富集分离回收硒汞试验
雷湘,钟勇,吴海国,牛磊,黄彦强,刘振楠
(湖南有色金属研究院,湖南有色金属研究院,湖南有色金属研究院,湖南有色金属研究院,湖南有色金属研究院,湖南有色金属研究院)
Separation and Recovery of Selenium and Mercury from Complex Mercury Bearing Selenium Residue
LeiXiang,zhongyong,wuhaiguo,niulue,huangyanqiang and liuzhengnan
(Hunan Research Institute of nonferrous metals,,,,,)
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投稿时间:2016-12-19     修订日期:2016-12-21     录用日期:2016-12-22     网络发布日期:2017-03-21
中文摘要: 采用两次焙烧工艺从某复杂低汞硒渣中富集分离回收硒、汞。首先将该硒汞渣在不制粒情况下,800~850 ℃空白焙烧1.5 h,99%以上的硒、汞挥发进入烟尘而富集,且焙烧渣中汞含量不足0.01%。富集硒、汞的烟尘与石灰(CaO加入量为理论值1.25倍)制粒后在650 ℃焙烧90 min,固硒率达到99.5%,汞脱除率达到99.41%。
中文关键词: 低汞硒渣  高温焙烧  富集分离
Abstract:Selenium and mercury were separated and recovered from complex low mercury bearing selenium slag by twice roasting process. Selenium and mercury were volatilized and enriched into dust with both volatilization rates of selenium and mercury of 99% above after roasted at 800~850 ℃ for 1.5 h without granulation. Mercury content in selenium enriched roasting slag is 0.01% below. Selenium fixed rate in calcine is 99.5% and mercury removal rate is 99.41% after dust was pelletized with lime (1.25 times of theoretical value of CaO) and roasted at 650 ℃ for 90 min.
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雷湘,钟勇,吴海国,牛磊,黄彦强,刘振楠.某复杂低汞硒渣富集分离回收硒汞试验[J].有色金属(冶炼部分),2017(4):48-51.
LeiXiang,zhongyong,wuhaiguo,niulue,huangyanqiang,liuzhengnan.Separation and Recovery of Selenium and Mercury from Complex Mercury Bearing Selenium Residue[J].Nonferrous Metals (Extractive Metallurgy),2017(4):48-51.

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