Ozonation of tannery effluent for removal of cod and color

被引：82
|
作者：
Preethi, V. [1 ]
Kalyani, K. S. Parama [1 ]
Iyappan, K. [2 ]
Srinivasakannan, C. [3 ]
Balasubramaniam, N. [3 ]
Vedaraman, N. [2 ]
机构：
[1] Anna Univ, Dept Chem Engn, Madras 600025, Tamil Nadu, India
[2] Cent Leather Res Inst, Dept Chem Engn, Madras 600041, Tamil Nadu, India
[3] Monash Univ, Sch Engn, Selangor, Malaysia
来源：
JOURNAL OF HAZARDOUS MATERIALS | 2009年 / 166卷 / 01期
关键词：
Ozonation; Tannery effluent; Advanced oxidation; COD/color removal; Bio-degradability index; WASTE-WATER;
D O I：
10.1016/j.jhazmat.2008.11.035
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Ozonation of leather dye effluent for removal of color and COD reduction covering wide range in operating parameters forms the scope of the present work. The influence of parameters such as influent pH, ozone flow rate and initial effluent concentration on ozonation efficiency has been critically examined. It has been observed from the present investigation that a maximum of COD removal efficiency of 92% has been achieved under optimum operating conditions. Further the biodegradability index of the tannery effluent has increased from an initial value of 0.18 to 0.49 during ozonation indicating favorable adaptation of ozonation as a primer to the biochemical technique to enhance the efficiency of biochemical treatment. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：150 / 154
页数：5
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