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有色金属(冶炼部分):2012,(3):39-42
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从难处理金精矿氯化浸金溶液中吸附金
金创石
(东北大学 材料冶金学院)
Gold Adsorption from Chlorination Leaching Solution of Refractory Gold Concentrate
jinchuangshi
(School of Materials and Metallurgy, Northeastern University)
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本文已被:浏览 2591次   下载 2316
投稿时间:2011-09-30    修订日期:2011-09-30
中文摘要: 对国内某难处理金精矿高压氧化渣进行氯化浸出及吸附试验。结果表明,在下述最佳条件下浸金率达到96.5%:次氯酸钠浓度10 g/L、pH=4、氯化钠浓度75 g/L、温度40 ℃、液固比3∶1、搅拌速度300 r/min、时间120 min。浸金液在室温采用1 g/L的717阴离子交换树脂吸附30 min,金吸附率达到99.2%。该方法污染少、操作简单、反应速度快。
Abstract:Chlorination leaching and adsorption of gold on high-pressure oxidation residue of a domestic refractory gold concentrate were investigated. The results show that the gold leaching rate is 96.5% under the optimum conditions including sodium hypochlorite concentration of 10 g/L, pH=4, sodium chloride concentration of 75 g/L, temperature of 40 ℃, ratio of liquid to solid of 3∶1, stirring speed of 300 r/min and time of 120 min. The gold absorption rate is 99.2% when the above gold leaching solution is absorbed with 1 g/L 717 anion exchange resin at room temperature for 30 min. This process is simple, rapid with less pollution.
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基金项目:国家“十一五”科技支撑计划项目(2008BAB34B01);国家自然科学基金资助项目(51004033, 50974035, 51074047)
引用文本:
金创石1,2,张廷安1,曾勇1,洪正秀1,2.从难处理金精矿氯化浸金溶液中吸附金[J].有色金属(冶炼部分),2012(3):39-42.
KIM Chang-sok1,2, ZHANG Ting-an1, ZENG Yong1, HONG Jong-su1,2.Gold Adsorption from Chlorination Leaching Solution of Refractory Gold Concentrate[J].Nonferrous Metals (Extractive Metallurgy),2012(3):39-42.

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