Research on the response surface method applied to the optimized electrocoagulation used for the treatment of arsenic-containing smelting wastewater

doi:10.11894/1005-829x.2014.34(2).026

INDUSTRIAL WATER TREATMENT ›› 2014, Vol. 34 ›› Issue (2): 26-29. doi: 10.11894/1005-829x.2014.34(2).026

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Research on the response surface method applied to the optimized electrocoagulation used for the treatment of arsenic-containing smelting wastewater

Hu Wei, Dai Youzhi, Peng Xi, Liu Jian, Yang Shuang

Key Laboratory of Heavy Metal Pollution Control, College of Hunan Province, Department of Environmental Science & Engineering, Xiangtan University, Xiangtan 411105, China

Received:2013-11-07 Online:2014-02-20 Published:2014-02-24

基于响应面法优化电絮凝处理含砷冶炼废水的研究

胡维, 戴友芝, 彭喜, 刘坚, 杨双

湘潭大学环境科学与工程系, 重金属污染控制湖南省普通高等学校重点实验室, 湖南湘潭 411105

作者简介:胡维（1988-），硕士研究生。电话：13786288921，E-mail：shouwangzhehuw@126.com
基金资助:
国家十一五野水体污染控制与治理冶科技重大专项增补课题（2010ZX07212-008）；湖南省科技厅社会发展科技支撑计划重点项目（2011SK2016）；湖南省高校创新平台（重金属污染控制）开放基金项目（11k070）

Abstract

Abstract:

Arsenic/copper-containing smelting wastewater has been treated by electro-coagulation process. The influencing factors have been studied by single-factor tests and response surface method, and the treatment conditions optimized. The existing forms of As and Fe in solid have been determined by XPS techniques, and its action mechanisms discussed. The results show that the response curved surface model fits the arsenic removing behavior quite well. The arsenic removing rate can be above 99%, if the smelting wastewater is treated under optimal conditions fitted. XPS analysis results show that Fe in solid exists mainly in form of Fe³⁺. Part of As³⁺ has oxidation reaction and forms As⁵⁺.

Key words: electro-coagulation, response surface method, arsenic, copper smelting wastewater

摘要：

利用电絮凝法处理含砷铜冶炼废水，采用单因素实验及响应面法对影响因素进行了研究，优化了处理条件，并运用XPS技术测定了固体中As、Fe的存在形式，探讨了作用机理。结果表明，响应曲面模型对电絮凝除砷行为拟合较好；在拟合的最佳条件下处理此冶炼废水，砷的去除率可达99%以上。XPS分析结果表明，固体中的Fe主要以Fe³⁺形式存在；部分As³⁺发生了氧化反应，生成了As⁵⁺。

关键词: 电絮凝, 响应面法, 砷, 铜冶炼废水

CLC Number:

X703

Hu Wei, Dai Youzhi, Peng Xi, Liu Jian, Yang Shuang. Research on the response surface method applied to the optimized electrocoagulation used for the treatment of arsenic-containing smelting wastewater[J]. INDUSTRIAL WATER TREATMENT, 2014, 34(2): 26-29.

胡维, 戴友芝, 彭喜, 刘坚, 杨双. 基于响应面法优化电絮凝处理含砷冶炼废水的研究[J]. 工业水处理, 2014, 34(2): 26-29.

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Research on the response surface method applied to the optimized electrocoagulation used for the treatment of arsenic-containing smelting wastewater

基于响应面法优化电絮凝处理含砷冶炼废水的研究

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Research on the response surface method applied to the optimized electrocoagulation used for the treatment of arsenic-containing smelting wastewater

基于响应面法优化电絮凝处理含砷冶炼废水的研究

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