Advanced ozone treatment of heavy oil refining wastewater by activated carbon supported iron oxide

被引：92

作者：

Chen, Chunmao ^{[1
]}

Chen, Hongshuo ^{[1
]}

Guo, Xuan ^{[1
]}

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

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2014年 / 20卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Heavy oil refining wastewater; Ozone; Advanced treatment; Iron; Active carbon; CATALYTIC-OXIDATION; 2,4-DICHLOROPHENOXYACETIC ACID; ORGANIC POLLUTANTS; AQUEOUS-SOLUTION; OZONATION; DEGRADATION; REMOVAL; ADSORPTION; DECOLORIZATION; MINERALIZATION;

D O I：

10.1016/j.jiec.2013.11.007

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The catalytic ozonation of heavy oil refining wastewater (HORW) was investigated over activated carbon supported iron oxides (FAC) catalysts using activated carbon (AC) as the reference. The catalyst was characterized by chemical analysis, XRD, N-2 adsorption-desorption and SEM. A significant increase in COD removal efficiency was observed in FAC + ozone compared with AC + ozone due to more hydroxyl radicals, identified by tert-butyl alcohol (TBA). The composition analysis of organic pollutant in HORW by Fr-ICR MS discovered organic pollutants chain scission and oxidation process during the treatment. A great improvement of biodegradability for treated HORW had been obtained. The investigation uncovered the catalytic potential of FAC catalysts for ozonation of HORW. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：2782 / 2791

页数：10

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