Biodegradation of Phenol and 4-Chlorophenol by the Mutant Strain CTM 2

被引：21

作者：

Jiang Yan ^{[1
,2
,3
]}

Ren Nanqi ^{[2
]}

Cai Xun ^{[1
]}

Wu Di ^{[1
]}

Qiao Liyan ^{[1
]}

Lin Sen ^{[1
]}

机构：

[1] Daqing Oilfield Engn Ltd Co, Dept Chem Engn, Daqing 163712, Peoples R China

[2] Harbin Inst Technol, Sch Municipal & Environm Engn, Harbin 150090, Peoples R China

[3] Harbin Univ, Sch Life Sci & Chem, Harbin 150016, Peoples R China

来源：

CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2008年 / 16卷 / 05期

关键词：

biodegradation; phenol; 4-chlorophenol; the mutant strain CTM 2;

D O I：

10.1016/S1004-9541(08)60158-5

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The biodegradations of phenol and 4-chlorophenol (4-cp) were studied using the mutant strain CTM 2 obtained by the He-Ne laser irradiation on wild-type Candida tropicalis. The results showed that the capacity of the CTM 2 to biodegrade 4-cp was increased up to 400 mg.L-1 within 59.5 h. In the dual-substrate biodegradation, both velocity and capacity of the CTM 2 to degrade 4-cp increased with low-concentration phenol. A total of 4 mg.L-1 4-cp was completely degraded within 50.5 h in the presence of 300 mg.L-1 phenol. The maximum 4-cp biodegradation could reach 440 mg.L-1 with 120 mg-L-1 phenol. Low-concentration 4-cp caused great inhibition on the CTM 2 to degrade phenol. In addition, the kinetic behaviors were described using the kinetic model proposed in this lab.

引用

页码：796 / 800

页数：5

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