研究了某浮选银精矿在“[Bmim] HSO4—硫脲”和“H2SO4—硫脲”两种浸取体系中银的浸出行为.研究了矿浆pH值、Fe3浓度、硫脲浓度、浸出时间等工艺参数对浸出的影响.结果表明,[Bmim] HSO4代替H2SO4作为pH调整剂,可在酸性较弱的矿浆pH值,较少的Fe3用量、较低的硫脲浓度条件下提高银浸出率9.80个百分点.
参考文献
[1] | 何剑;童雄;崔毅琦.银浸出技术的研究现状[J].云南冶金,2004(5):6-9,15. |
[2] | 张静;兰新哲;宋永辉;王碧霞;邢相栋.酸性硫脲法提金的研究进展[J].贵金属,2009(2):75-82. |
[3] | Hallett, J.P.;Welton, T..Room-temperature ionic liquids: Solvents for synthesis and catalysis. 2[J].Chemical Reviews,20115(5):3508-3576. |
[4] | H. Olivier-Bourbigou;L. Magna;D. Morvan.Ionic liquids and catalysis: Recent progress from knowledge to applications[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,20101/2(1/2):1-56. |
[5] | 何洁萍.离子液体的研究进展[J].广东化工,2014(16):102,105. |
[6] | Andrew P.Abbott;Katy J.McKenzie.Application of ionic liquids to the electrodeposition of metals[J].Physical chemistry chemical physics: PCCP,200637(37):4265-4279. |
[7] | J.A. Whitehead;J. Zhang;N. Pereira.Application of 1 -alky 1-3-methyl-imidazolium ionic liquids in the oxidative leaching of sulphidic copper, gold and silver ores[J].Hydrometallurgy,20071/4(1/4):109-120. |
[8] | J.A. Whitehead;J. Zhang;A. McCluskey.Comparative leaching of a sulfidic gold ore in ionic liquid and aqueous acid with thiourea and halides using Fe(III) or HSO_5~- oxidant[J].Hydrometallurgy,20093/4(3/4):276-280. |
[9] | M.F. ALMEIDA;M.A. AMARANTE.Leaching of a silver bearing sulphide by-product with cyanide, thiourea and chloride solutions[J].Minerals Engineering,19953(3):257-271. |
[10] | 郑粟 .高稳定性碱性硫脲体系清洁浸金的理论基础研究[D].中南大学,2006. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%