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溴化物溶液中活性炭吸附金的研究
胡洁雪,龚乾,孔令庆
1994
Source Publication黄金
Issue08Pages:44-49
Abstract用活性炭可从含金溴化物溶液中吸附金。在室温(20~35℃);C:Au=0.7g:1mg;溶液pH<6,溶液中溴化钠浓度小于0.2mol.L-1;适当搅拌下;吸附4h,金吸附率可达95%以上。吸附反应为溶液中金扩散过程所控制。-dc/dt=kc,k≈0.0353min-1。吸附等温线可用朗格缪尔公式表示q=qac/(1+ac),q≈335mg·g-1,a≈0.0562L.mg-1。金以元素金状态吸附在活性炭上。用离子交换以及金离子在活性炭表面上被还原的反应历程可解释大部分实验现象。
Keyword活性炭 吸附 溴化物
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/8835
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
胡洁雪,龚乾,孔令庆. 溴化物溶液中活性炭吸附金的研究[J]. 黄金,1994(08):44-49.
APA 胡洁雪,龚乾,孔令庆.(1994).溴化物溶液中活性炭吸附金的研究.黄金(08),44-49.
MLA 胡洁雪,龚乾,孔令庆."溴化物溶液中活性炭吸附金的研究".黄金 .08(1994):44-49.
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