采用硫酸锌沉淀工艺处理含有高浓度铜离子的氰化提金废水，利用二级反应动力学模型对铜离子和游离氰化物的沉淀过程进行了试验研究。研究结果表明，在试验条件下，铜离子和游离氰化物的沉淀过程均符合二级反应动力学模型，其反应速率常数分别为3．492 dm3／（ mol· min）、1．837 dm3／（mol· min）。该研究结果对高浓度铜离子氰化提金废水的沉淀处理技术应用，具有一定的指导意义。
The cyanide wastewater with high copper concentration is treated with precipitation process by zinc sul-fate.The experimental study focuses on the secondary reaction kinetics model of the precipitation process for copper ions and free cyanide ions.Study shows that the dynamics of precipitation process of copper ions and free cyanide are in line with the secondary kinetics model of chemical reactions under the experimental conditions,and their rate con-stants are 3.492 dm3/( mol· min) and 1.837 dm3/( mol· min) ,respectively.The research results have certain guid-ing significance for the application of precipitation process treatment technology of high concentration copper cyanide wastewater.
参考文献
| [1] | 李建勃,蔡德耀,刘书敏,秦彪.含氰废水化学处理方法的研究进展及其应用[J].能源与环境,2009(04):84-85,96. |
| [2] | 李亚峰,顾涛.金矿含氰废水处理技术[J].当代化工,2003(01):1-4. |
| [3] | 鲁玉春.高铜贫液两步沉淀除杂全循环工业试验的研究[J].黄金,2000(03):45. |
| [4] | 厚春华.三步沉淀全循环法处理焙烧-氰化工艺中含氰废水的应用[J].辽宁城乡环境科技,2007(03):49-51. |
| [5] | Xianwen Dai;Andrew Simons;Paul Breuer .A review of copper cyanide recovery technologies for the cyanidation of copper containing gold ores[J].Minerals Engineering,2012(1):1-13. |
| [6] | 党晓娥,兰新哲,张秋利,董缘.离子交换树脂和交换纤维处理含氰废水[J].有色金属（冶炼部分）,2012(02):37-41. |
| [7] | 王碧侠,兰新哲,宋永辉.用D301树脂回收含氰溶液中的游离氰[J].有色金属,2006(02):71-73. |
| [8] | 宋永辉,兰新哲,张秋利.树脂吸附回收提金尾液中氰化物的研究[J].贵金属,2005(04):39-43. |
| [9] | 廖赞,兰新哲,朱国才.201×7强碱性阴离子交换树脂对氰化物的吸附性能及吸附机理[J].黄金,2008(07):46-50. |
| [10] | X. Dai;P.L Breuer;M.I. Jeffrey .Comparison of activated carbon and ion-exchange resins in recovering copper from cyanide leach solutions[J].Hydrometallurgy,2010(1/2):48-57. |
| [11] | Tolga Depci.Comparison of activated carbon and iron impregnated activated carbon derived from Go1basi lignite to remove cyanide from water[J].Chemical engineering journal,2012:467-478. |
| [12] | 马红周,杨明,兰新哲,王耀宁.活性炭吸附酸化后的含氰废水试验研究[J].黄金,2007(09):56-58. |
| [13] | SEUNG-MOK Lee,DIWAKAR Tiwari.Application of ferrate(VI) in the treatment of industrial wastes containing metal complexed cyanides: A green treatment[J].环境科学学报（英文版）,2009(10):1347-1352. |
| [14] | Urszula Kepa;Ewa Stanczyk-Mazanek;Longina Stepniak .The use of the advanced oxidation process in the ozone + hydrogen peroxide system for the removal of cyanide from water[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2008(1/3):187-193. |
| [15] | Javier Marugan;Rafael van Grieken;Alberto E. Cassano .Scaling-up of slurry reactors for the photocatalytic oxidation of cyanide with TiO2 and silica-supported TiO2 suspensions[J].Catalysis Today,2009(1/2):87-93. |
| [16] | F. Barriga-Ordonez;F. Nava-Alonso;A. Uribe-Salas .Cyanide oxidation by ozone in a steady-state flow bubble column[J].Minerals Engineering,2006(2):117-122. |
| [17] | Aguado J;Grieken R van;Mu鼻oz M J López .Removal of cyanides in wastewater by supported TiO2-based photocatalysts[J].Catalysis Today,2002,75(2):95-102. |
| [18] | Bixia WANG;Xinzhe LAN;Yonghui SONG .Copper Electrowinning from Gold Plant Cyanide-Containing Solution[J].Materials Science Forum,2009(Pt.1):41-47. |
| [19] | Xie Feng;Dreisinger David .Studies on solvent extraction of copper and cyanide from waste cyanide solution[J].Journal of Hazardous Materials,2009,169(1):333-338. |
| [20] | 陈来福,刘宪,乔治强,王威燕,杨运泉,彭会左.硫酸亚铁一次氯酸钙处理高浓度含氰废水[J].工业水处理,2011(06):73-77. |
| [21] | 熊正为.硫酸亚铁法处理电镀含氰废水的试验研究[J].湖南科技学院学报,2007(09):49-52. |
| [22] | 尹六寓.络合沉淀工艺处理氰化电镀废水[J].给水排水,2006(12):59-61. |
| [23] | 胡幸福,郭栋.亚铁蓝法处理含氰废水的工程应用[J].污染防治技术,2011(05):31-32. |
| [24] | 杨明德;胡湖生;党杰 等.化学沉淀γ射线辐照法处理含氰废水的方法[P].中国,200610169697.0,2007-07-11. |
| [25] | 王碧侠,屈学化,宋永辉,李延霞,兰新哲.二价铜盐沉淀--树脂吸附处理氰化提金废水的研究[J].黄金,2013(08):67-71. |
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