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有色金属(冶炼部分):2012,(8):14-16
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铜钴精矿焙烧浸出试验研究
孙留根,王 云,刘大学,袁朝新,常耀超,黄海辉,徐晓辉
(北京矿冶研究总院,北京矿冶研究总院,北京矿冶研究总院,北京矿冶研究总院,北京矿冶研究总院,北京矿冶研究总院,北京矿冶研究总院)
Study on Cu-Co Concentrate with Roast-Leaching Process
sunliugen,Wang Yun,Liu Daxue,Yuan Chaoxin,Chang Yaochao,Huang Haihui and Xu Xiaohui
(Beijing General Research Institute of Mining,,,,,,)
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投稿时间:2012-05-30     修订日期:2012-06-01     录用日期:2012-06-01     网络发布日期:2012-07-25
中文摘要: 采用浮选、硫酸化焙烧、酸浸、萃取电积、除铁沉钴流程从刚果(金)铜钴精矿中回收铜钴。结果表明,最佳焙烧条件为:粒度-0.074 mm占90.77%,添加7.5%的Na2SO4在700 ℃焙烧30 min。焙砂进行两段浸出,铜钴的浸出率分别达到97.61%和95.92%。
中文关键词: 铜钴矿石  铜钴精矿  焙烧  浸出
Abstract:Copper and cobalt were recovered from copper and cobalt concentrates from CMSK Ltd of DR Congo with a series of processes including floatation, sulfating roasting, acidic leaching, extraction and electro-deposition (SX-EW-Co), iron removing and cobalt precipitation. The results show that the optimum roasting conditions including particle size of -0.074 mm of 90%, Na2SO4 dosage of 7.5%, temperature of 700 ℃, and roasting time of 30 min. The leaching rate of copper and cobalt is 97.61% and 95.92% respectively after the calcine is leached through the two-stage acidic leaching process.
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孙留根,王 云,刘大学,袁朝新,常耀超,黄海辉,徐晓辉.铜钴精矿焙烧浸出试验研究[J].有色金属(冶炼部分),2012(8):14-16.
sunliugen,Wang Yun,Liu Daxue,Yuan Chaoxin,Chang Yaochao,Huang Haihui,Xu Xiaohui.Study on Cu-Co Concentrate with Roast-Leaching Process[J].Nonferrous Metals (Extractive Metallurgy),2012(8):14-16.

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