Removal of COD and color from livestock wastewater by the Fenton method

被引：148

作者：

Lee, Hyunhee ^{[1
]}

Shoda, Makoto ^{[1
]}

机构：

[1] Tokyo Inst Technol, Chem Resources Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2008年 / 153卷 / 03期

关键词：

Fenton method; livestock wastewater; CODcr removal; color removal;

D O I：

10.1016/j.jhazmat.2007.09.097

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The Fenton method was applied to the removal of chemical oxygen demand using chromate (CODcr) and color from high-strength livestock wastewater in which the initial CODcr was 5000-5700 mg/L. The optimum ratio of H2O2 (mg/L) to the initial CODcr was 1.05 and the optimum molar ratio of H2O2/Fe2+ was 2. The optimum initial pH and the optimum reaction time were 3.5-4 and 30 min, respectively. Under optimal conditions, the removal ratios of CODcr and color of the supernatant after static precipitation of the produced sludge were 88 and 95.4%, respectively. Addition of Fenton's reagents in several aliquots did not affect the efficiencies of CODcr and color removal. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：1314 / 1319

页数：6

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