Integrated electroenzymatic and electrochemical treatment of petrochemical wastewater using a pilot scale membraneless system

被引：10

作者：

Cho, Seung-Hee ^{[1
]}

Lee, Hong-Joo ^{[2
]}

Moon, Seung-Hyeon ^{[1
]}

机构：

[1] GIST, Dept Environm Sci & Engn, Kwangju 500712, South Korea

[2] Gwangju Dev Inst, Kwangju 506802, South Korea

来源：

PROCESS BIOCHEMISTRY | 2008年 / 43卷 / 12期

关键词：

Integrated electroenzymatic and electrochemical process; Formation of hydrogen peroxide (H2O2); Generated hypochlorite (OCl-); Membraneless system; Peroxidase; Petrochemical wastewater;

D O I：

10.1016/j.procbio.2008.08.006

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A pilot scale membraneless system using immobilized peroxidase on porous Celite beads was constructed for the catalytic oxidation of wastewater released from a petrochemical plant. This system was integrated with the electroenzymatic process for enzymatic catalysis using immobilized peroxidase and the electrochemical process for indirect bulk oxidation using generated hypochlorite (ClO-). As a result, the chemical oxygen demand (COD) removal efficiency of integrated system was two times higher than those of the discrete processes with lower power Consumption. Thus, by using the integrated system, aromatic compounds in wastewater were effectively degraded and converted into aliphatic organic compounds. During a 30-day operation, 85-93% of the removal efficiency was maintained with 1.99 W g(-1) COD of power Consumption Without severe deactivation of immobilized peroxidase. (c) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1371 / 1376

页数：6

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