以钒尾矿作为吸附剂,研究了钒尾矿对Cr(Ⅵ)的吸附性能。考察了钒尾矿的目数和用量、吸附时间、Cr(Ⅵ)的初始浓度对吸附性能的影响。探索了钒尾矿吸附Cr(Ⅵ)的热力学特性。试验结果表明,吸附的最佳条件是：当钒尾矿目数为120,吸附时间为36h,钒尾矿用量9g,Cr(Ⅵ)溶液浓度60mg·L-1；钒尾矿对Cr(Ⅵ)的吸附符合Freundlich吸附等温方程。
The vanadium tailing was used as carrier to adsorb Cr(Ⅵ) from aqueous solution. The effect of mesh number and dosage of tailing,reaction time,the initial concentration of Cr(Ⅵ) on adsorption capacity of tailing was studied,the thermodynamic model of adsorption behavior was also explored. The results showed that the proper ad-sorption conditions of vanadium tailing was optimized:mesh number was 120,adsorption time was 36h,dosage of tailing was 9g,the concentration of Cr(Ⅵ) was 60mg·L-1 ,the adsorption behavior of Cr(Ⅵ) by vanadiumtailing followed Freundlich isotherm models well.
参考文献
| [1] | Ramirez Cordero, Beln E.;Canizares-Macias, Maria R..Determination of bioavailable soluble arsenic and phosphates in mine tailings by spectrophotometric Sequential Injection Analysis[J].Talanta: The International Journal of Pure and Applied Analytical Chemistry,20093(3):1069-1076. |
| [2] | 马莹 .石煤直接浸出提钒尾矿制备建筑材料的研究[D].西安建筑科技大学,2014. |
| [3] | 汪洲 .利用尾矿制备免烧免蒸砖的试验研究[D].中南大学,2014. |
| [4] | 戴琦;吴云海;胡玥;刘敏敏.铅锌矿尾矿吸附水溶液中碱性品绿的研究[J].水资源保护,2012(2):68-71. |
| [5] | Hartikainen SH;Hartikainen HH.Phosphorus retention by phlogopite-rich mine tailings[J].Applied Geochemistry: Journal of the International Association of Geochemistry and Cosmochemistry,20089(9):2716-2723. |
| [6] | 孔荔玺;薛峰;陈莉莉;孙庆业;杨林章.尾矿吸附模拟废水中磷的初步研究[J].环境污染与防治,2008(5):15-17,32. |
| [7] | 邓春华.铝土矿正浮选尾矿处理含Pb（Ⅱ）废水的试验研究[J].湖南有色金属,2013(05):55-58. |
| [8] | 陈俊涛;郑水林;王彩丽;檀竹红;郑黎明.石棉尾矿酸浸渣对铜离子的吸附性能[J].过程工程学报,2009(3):486-491. |
| [9] | 常亮亮;李春;于艳.疏水型SiO2气凝胶对Cr（VI）的吸附及动力学研究[J].商洛学院学报,2015(2):28-32. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%