Catalytic ozonation of petroleum refinery wastewater utilizing Mn-Fe-Cu/Al2O3 catalyst

被引：91

作者：

Chen, Chunmao ^{[1
,2
]}

Yoza, Brandon A. ^{[3
]}

Wang, Yandan ^{[1
]}

Wang, Ping ^{[1
]}

Li, Qing X. ^{[2
]}

Guo, Shaohui ^{[1
]}

Yan, Guangxu ^{[1
]}

机构：

[1] China Univ Petr, Beijing Key Lab Oil & Gas Pollut Control, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China

[2] Univ Hawaii Manoa, Dept Mol Biosci & Bioengn, Honolulu, HI 96822 USA

[3] Univ Hawaii Manoa, Hawaii Nat Energy Inst, Honolulu, HI 96822 USA

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2015年 / 22卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Petroleum refinery wastewater; Catalytic ozonation; Wastewater treatment; Metal oxide catalyst; ACTIVATED CARBON; INTEGRATED OZONE; OXIDATION; ALUMINA; DEGRADATION; MECHANISMS; REMOVAL; OXIDES; DECOLORIZATION; MINERALIZATION;

D O I：

10.1007/s11356-015-4136-0

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

There is of great interest to develop an economic and high-efficient catalytic ozonation system (COS) for the treatment of biologically refractory wastewaters. Applications of COS require options of commercially feasible catalysts. Experiments in the present study were designed to prepare and investigate a novel manganese-iron-copper oxide-supported alumina-assisted COS (Mn-Fe-Cu/Al2O3-COS) for the pretreatment of petroleum refinery wastewater. The highly dispersed composite metal oxides on the catalyst surface greatly promoted the performance of catalytic ozonation. Hydroxyl radical mediated oxidation is a dominant reaction in Mn-Fe-Cu/Al2O3-COS. Mn-Fe-Cu/Al2O3-COS enhanced COD removal by 32.7 % compared with a single ozonation system and by 8-16 % compared with Mn-Fe/Al2O3-COS, Mn-Cu/Al2O3-COS, and Fe-Cu/Al2O3-COS. The O/C and H/C ratios of oxygen-containing polar compounds significantly increased after catalytic ozonation, and the biodegradability of petroleum refinery wastewater was significantly improved. This study illustrates potential applications of Mn-Fe-Cu/Al2O3-COS for pretreatment of biologically refractory wastewaters.

引用

页码：5552 / 5562

页数：11

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