[1]杨波,李影影,张峰振,等.铝板电絮凝去除水体中镍离子的研究[J].深圳大学学报理工版,2014,31(4):415-420.[doi:10.3724/SP.J.1249.2014.04415]
　Yang Bo,Li Yingying,Zhang Fengzhen,et al.The removal of Ni2+ in wastewater by electrocoagulation using aluminum electrode[J].Journal of Shenzhen University Science and Engineering,2014,31(4):415-420.[doi:10.3724/SP.J.1249.2014.04415]
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铝板电絮凝去除水体中镍离子的研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第31卷
期数:
2014年第4期
页码:
415-420
栏目:
环境与能源
出版日期:
2014-07-16

文章信息/Info

Title:
The removal of Ni2+ in wastewater by electrocoagulation using aluminum electrode
文章编号:
20140412
作者:
杨波1; 李影影1; 张峰振1; 张鸿2; 卓琼芳3
1）深圳大学化学与化工学院，深圳 518060
2）深圳大学物理科学与技术学院，深圳 518060
3）环境保护部华南环境科学研究所，广州 510655
Author(s):
Yang Bo1;  Li Yingying1;  Zhang Fengzhen1;  Zhang Hong2;  and Zhuo Qiongfang3
1) College of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, P.R.China
2) College of Physics Science and Technology, Shenzhen University, Shenzhen 518060, P.R.China
3) South China Institute of Environmental Sciences, the Ministry of Environment Protection of PRC, Guangzhou 510655, P.R.China
关键词:
环境工程; 废水处理; 电镀废水; 电絮凝; 镍离子去除; 电解条件; 铝电极; 去除率
Keywords:
environmental engineering;  wastewater treatment;  electroplating wastewater;  electrocoagulation;  removal of nickel ions;  electrolytic conditions;  Al electrode;  removal efficiency
分类号:
X 506；O 643.38
DOI:
10.3724/SP.J.1249.2014.04415
文献标志码:
A
摘要:
采用铝板作为电极进行废水中Ni2+的电絮凝去除实验，考察电流密度、溶液初始pH值、水体常见阳离子（Ca2+和Mg2+）及极板间距对铝板电絮凝去除Ni2+效率的影响. 通过溶解态铝絮体聚合度、pH值变化等指标的检测分析，阐明这些影响因素对电絮凝效率的作用机制．结果表明，电流密度为13 mA/cm2、初始pH值在中性或弱碱性范围时，反应60 min后，Ni2+去除率可达99%以上；废水中的Ca2+和高浓度Mg2+可明显降低Ni2+的去除率；极板间距对电絮凝效率的影响不显著．
Abstract:
An aluminum(Al) plate was used as an electrode for electrocoagulation removal of Ni2+ in aqueous solution. The effects of the main influencing factors on the removing efficiency of Ni2+, including current density, initial aqueous pH, usual cations such as Ca2+ and Mg2+ , and the plate spacing of the Al electrode, were investigated. The mechanisms of these influencing factors for the electrocoagulation process were clarified by conducting the survey and analysing the polymerization degree of dissolved aluminum floc and pH change during electrolysis. The results obtained from this study indicate that the removal rate of Ni2+ is more than 99% during a 60 min electrolysis at the current density of 13 mA/cm2 under neutral or weak alkaline pH. However, the removing performance of Ni2+ is significantly restrained under the presence of a relatively high concentration Ca2+ or Mg2+ in aqueous solution. In addition, the effect of the plate spacing of Al electrode on electrocoagulation efficiency of Ni2+ is not obvious.

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备注/Memo

备注/Memo:
Received：2014-03-28；Accepted：2014-05-20
Foundation：National Natural Science Foundation of China (21177089, 11275130, 21307036); National High Technology Research and Development Program of China (2013AA062705)
Corresponding author：Associate professor Yang Bo．E-mail: boyang@szu.edu.cn
Citation：Yang Bo，Li Yingying，Zhang Fengzhen，et al．The removal of Ni2+ in waste water by electrocoagulation using aluminum electrode［J］. Journal of Shenzhen University Science and Engineering, 2014, 31(4): 415-420.（in Chinese）
基金项目：国家自然科学基金资助项目(21177089，11275130，21307036)；国家高技术研究发展计划资助项目(2013AA062705)
作者简介：杨波(1975—)，男(汉族)，江西省南昌市人，深圳大学副教授、博士．E-mail：boyang@szu.edu.cn
引文：杨波，张峰振，张鸿，等．铝板电絮凝去除水体中镍离子的研究［J］. 深圳大学学报理工版，2014，31（4）：415-420.
更新日期/Last Update: 2014-06-25