Research on oily sludge pyrolysis residue to the adsorption of biologically treated oil-field wastewater

被引：1

作者：

Wang, Yushuang ^{[1
,2
]}

Wu, Chunxu ^{[2
]}

Zhang, Hongtao ^{[1
,2
]}

Chen, Zhaolin ^{[1
]}

Yuan, Guoqing ^{[3
]}

Xu, Xuan ^{[1
,2
]}

Xue, Fangqin ^{[2
]}

机构：

[1] Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China

[2] Beijing Guohuan Tsinghua Environm Engn Design &, Beijing 100084, Peoples R China

[3] China Petr Engn Co Ltd, Beijing 100085, Peoples R China

来源：

BIOTECHNOLOGY, CHEMICAL AND MATERIALS ENGINEERING, PTS 1-3 | 2012年 / 393-395卷

关键词：

oil-field wastewater; oily sludge pyrolysis residue; adsorption isotherm; functional groups;

D O I：

10.4028/www.scientific.net/AMR.393-395.1398

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Economical and effective oily sludge pyrolysis residue was prepared, characterized with various techniques, and applied in the removal of COD in biologically treated oil-field wastewater. It was found that surface area of oily sludge pyrolysis residue was 223.62 m(2)/g. The content of C and Al2O3 was 27.91% and 27.6%, respectively. Oily sludge pyrolysis residue contains carboxyl, hydroxyl, carbonyl and other oxygen-containing acid functional groups. When the adsorption equilibrium time of oily sludge pyrolysis residue was 90min, pH of solution was 4, the best COD adsorption capacity was 59.5 mg/g. Adsorption of oily sludge pyrolysis residue is determined by its structure and composition. The Al2O3 may play a flocculation and sedimentation role in COD removal, which has a synergistic effect on adsorption. The adsorption of COD from biologically treated oil-field wastewater by oily sludge pyrolysis residue follows Langmuir adsorption isotherm.

引用

页码：1398 / +

页数：2

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