Investigation on the Removal of Chromium from Wastewater using Electrocoagulation

被引：14
|
作者：
Thirugnanasambandham, K. [1 ]
Shine, K. [2 ]
机构：
[1] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangdong Prov Key Lab Environm Pollut Control &, Guangzhou 510275, Guangdong, Peoples R China
[2] King Saud Univ, Coll Sci, Dept Bot & Microbiol, POB 2455, Riyadh 11451, Saudi Arabia
来源：
INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING | 2018年 / 16卷 / 05期
关键词：
chromium removal; electrocoagulation; electrical energy consumption; response surface methodology; artificial neural network; DYE REMOVAL; OPERATIONAL PARAMETERS; ALUMINUM ELECTRODES; FLUORIDE REMOVAL; TEXTILE-INDUSTRY; DECOLORIZATION; OPTIMIZATION; GIBBA;
D O I：
10.1515/ijcre-2017-0155
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Nowadays, treatment of chromium wastewater is very critical also important. The current study investigates the influence of electrocoagulation process parameters to reduce the chromium from wastewater. It has been observed that the initial pH (6), current density (25 mA/cm(2)), electrode distance (4 cm) and electrolysis time (30 min) were found to be optimum for a 97 % chromium removal. For the above said optimum condition, the electrical energy consumption was found to be 0.12 kWh/m(3). A comparison between BBD and ANN shows high correlation coefficient values (R-2 (ANN) > 0.90 and R-2 (RSM) > 0.90). Results indicated that electrocoagulation process is a cheap and effective method to treat chromium wastewater.
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页数：10
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