Toxicity and biodegradation of chlorophenols in anaerobic propionate enrichment culture

被引：13

作者：

Jin, PK ^{[1
]}

Bhattacharya, SK ^{[1
]}

机构：

[1] TULANE UNIV,DEPT CIVIL & ENVIRONM ENGN,NEW ORLEANS,LA 70118

来源：

WATER ENVIRONMENT RESEARCH | 1997年 / 69卷 / 05期

关键词：

anaerobic treatment; biodegradation; chlorophenols; dechlorination; methanogens; propionate; toxic compounds;

D O I：

10.2175/106143097X125623

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The fate of four trichlorophenols (TCP), six dichlorophenols (DCP), and three monochlorophenols (CP), were studied in anaerobic propionate enrichment systems. TCPs were more toxic than DCPs and CPs; 2,4,5-TCP was most toxic to the propionate users among the 13 chlorophenols studied in this research. Most chlorophenols were dechlorinated reductively to less chlorinated compounds and/or phenol. Dechlorination at the ortho position was observed most frequently. The overall removal of the selected chlorophenols by anaerobic propionate enrichment systems were in the following order: 2,3,5-TCP > 2,3,6-TCP > 3,5-DCP > 2,4-DCP > 2-CP > 3,4-DCP; 2,3-DCP; 2,5-DCP > 3-CP, 2,4,5-TCP > 2,6-DCP > 2,4,6-TCP > 4-CP.

引用

页码：938 / 947

页数：10

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