Optimization of solar irradiated Fenton treatment of pesticide chlorpyrifos wastewater by response surface methodology

被引：3

作者：

Augustine, Affam Chioma ^{[1
]}

Chaudhuri, Malay ^{[2
]}

Hetrick, Kimberly ^{[2
,3
]}

机构：

[1] Univ Coll Technol Sarawak, Sch Engn & Technol, Dept Civil Engn, Sibu 96000, Sarawak, Malaysia

[2] Univ Teknol PETRONAS, Dept Civil Engn, Tronoh 31750, Perak, Malaysia

[3] Lehigh Univ, Dept Civil Engn, 27 Mem Dr West, Bethlehem, PA 18015 USA

来源：

ENVIRONMENTAL EARTH SCIENCES | 2016年 / 75卷 / 09期

关键词：

Solar; Fenton; Chlorpyrifos; Response surface methodology (RSM); ADVANCED OXIDATION PROCESSES; AQUEOUS-SOLUTION; ORGANOPHOSPHORUS PESTICIDES; HYDROGEN-PEROXIDE; ANODIC-OXIDATION; METHYL PARATHION; DEGRADATION; BIOCONCENTRATION; CHLOROTHALONIL; INTERFERENCE;

D O I：

10.1007/s12665-016-5510-z

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The study examined solar irradiation for enhancement of Fenton treatment of pesticide chlorpyrifos wastewater. Optimization of the process was achieved by employing the central composite design (CCD). Total organic removal (TOC) removal of 89.2 % was obtained under the optimized conditions (pH 3, H2O2/COD 2.25 and H2O2/Fe2+ 10 molar ratios and 60 min reaction time). The improvement of biodegradability (BOD5/COD ratio) index from 0 to 0.41 obviously indicated that biological treatment could be applied after pretreatment for complete treatment of the wastewater. The experimental results and model prediction had an error less than 5 % owing to the close data obtained. Solar irradiated Fenton treatment is effective for the pretreatment of pesticide chlorpyrifos wastewater before biological treatment maybe applied.

引用

页数：9

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