Electrocoagulation Studies on Treatment of Biodigester Effluent using Aluminum Electrodes

被引：28

作者：

Ponselvan, F. Infant Anto ^{[1
]}

Kumar, Mayank ^{[1
]}

Malviya, Jodha Ram ^{[1
]}

Srivastava, Vimal Chandra ^{[1
]}

Mall, Indra Deo ^{[1
]}

机构：

[1] Indian Inst Technol Roorkee, Dept Chem Engn, Roorkee 247667, Uttar Pradesh, India

来源：

WATER AIR AND SOIL POLLUTION | 2009年 / 199卷 / 1-4期

关键词：

Biodigester effluent; Electrocoagulation; Response surface methodology; Aluminum; Distillery effluent; MILL WASTE-WATER; ELECTROCHEMICAL DEGRADATION; COAGULATION; REMOVAL; CHROMIUM; PULP;

D O I：

10.1007/s11270-008-9885-7

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the present paper, electrocoagulation (EC) has been employed for the reduction of chemical oxygen demand (COD) reduction of a distillery wastewater (biodigester effluent) in a batch EC reactor using aluminum electrode. The individual and interactive effects of the four main independent parameters have been studied on the COD removal efficiency using a central composite experimental design. The parameters studied are current density (j): 44.65-223.25 A/m(2); initial pH (pH (0)): 2-8; inter-electrode distance (g): 1-3 cm; and electrolysis time (t): 30-150 min. Pareto analysis of variance of the results showed a high coefficient of determination value (R (2) = 0.9693) and satisfactory prediction for second-order regression model. Maximum COD removal efficiency of 52.23% was obtained with j = 120 A/m(2), pH (0) = 6.0, g = 1 cm, and t = 150 min.

引用

页码：371 / 379

页数：9

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