| D_（001）树脂在酸性硫脲溶液中吸附、分离金银研究 |
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| 引用本文： | 刘建,潘光莉,李梦耀,闫英桃.D_（001）树脂在酸性硫脲溶液中吸附、分离金银研究[J].地球科学与环境学报,1997(1). |
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| 作者姓名： | 刘建 潘光莉 李梦耀 闫英桃 |
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| 作者单位： | 西安地质学院应化系 |
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| 摘 要： | 本文研究了Ｄ_００１大孔阳离子强酸树脂从Ｈ_２ＳＯ_４－ＣＳ（ＮＨ_２）_２溶液中，富集及分离Ａｕ（Ｉ）、Ａｇ（Ｉ）的性能。表明在ｐＨ＝２．０左右，树脂对Ａｕ（Ｔｕ）￣＋_２、Ａｇ（Ｔｕ）￣＋_２（Ｔｕ＝硫脲）有良好的吸附性能，Ａｕ和Ａｇ的吸附容量分别为６１．１８ｍｇ／ｇ－Ｒｅｓｉｎ和９９．１１ｍｇ／ｇ—Ｒｅｓｉｎ。负载柱上的Ａｕ、Ａｇ可分别用ＮａＣＮ—ＮａＯＨ和Ｈ_３ＢＯ_３－ＮａＯＨ－Ｎａ_２Ｓ_２Ｏ_３定量洗脱。可进行一定程度的Ａｕ、Ａｇ分离。
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| 关 键 词： | D_（001）大孔阳离子树脂 硫脲 金．银 分离 |
A STUDY OF THE ABSORPTION AND SEPARATION OF GOLD AND SILVER FROM ACID THIOUREA MEDIUM BY D_(001) RESIN |
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| Liu Jian, Pan Guangli, Li Mengyao, Yan Yengtao.A STUDY OF THE ABSORPTION AND SEPARATION OF GOLD AND SILVER FROM ACID THIOUREA MEDIUM BY D_(001) RESIN[J].Journal of Earth Sciences and Environment,1997(1). |
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| Authors: | Liu Jian Pan Guangli Li Mengyao Yan Yengtao |
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| Abstract: | In this paper, the absorption and separation properties of Au (I)-thiourea and Ag(I)-thiourea complex by D_001 macroporous stronge acid resign from wear acid solution have been investigated. The results show that the resign can effectively absorb Au(Tu)~ _2 and Ag(Tu)~ _2 ions(Tu=thiouvea) at pH of solution about 2. 0, and static saturated absorption capacity of resign can be 61. 18 mg/g-resin and 99. 11 mg/g-resign for Au and Ag resistively. The Au(Tu)~ _2 and Ag(Tu)~ _2 absorbed can be quantitatively eluted with 0. 1 mol/L NaOH-0. 1 mo1/L NaCN and 1 mol/L Na_2S_2O_3-H_3BO_3-NaOH respectively. The D_001 macroporous ion exchange resin is feasible for the separation of Au and Ag. |
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| Keywords: | D_(001) macroporous stronge acid resin thiouvea gold silrer separation |
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