Di(2-ethylhexyl) phthalate biodegradation and denitrification by a Pseudoxanthomonas sp strain

被引：82
|
作者：
Meng, Xuezheng [1 ]
Niu, Guilong [1 ,2 ]
Yang, Weiming [1 ]
Cao, Xiangsheng [1 ]
机构：
[1] Beijing Univ Technol, Coll Civil Engn, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing 100124, Peoples R China
[2] State Nucl Elect Power Planning Design & Res Inst, Beijing 100085, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2015年 / 180卷
基金：
中国国家自然科学基金;
关键词：
Biodegradation; Phthalate; Pseudoxanthomonas; Denitrification; Isolation; 3,4-PHTHALATE DIOXYGENASE GENE; NEWLY ISOLATED BACTERIUM; N-BUTYL PHTHALATE; SP NOV; DI-(2-ETHYLHEXYL) PHTHALATE; SPADIX BD-A59; SOIL; DEGRADATION; METABOLISM; REMOVAL;
D O I：
10.1016/j.biortech.2014.12.071
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A bacterial strain (designated as N4) of Pseudoxanthomonas was isolated from a denitrification biofilter reactor. This study examined its degradation capability of di(2-ethylhexyl) phthalate (DEHP) and its denitrification ability. All results showed that, strain N4 could use DEHP as a carbon and energy source. Strain N4 demonstrated good DEHP degradation ability over a broad pH and temperature range. The optimal temperature and pH for DEHP degradation were 32 degrees C and 6.0, respectively. The kinetics of DEHP degradation by strain N4 were exponential in nature. Strain N4 showed denitrification ability and could reduce nitrate and nitrite but not with DEHP as its carbon source. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：356 / 359
页数：4
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