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Toxicity and biodegradation of chlorophenols in anaerobic propionate enrichment culture

Jin, Peikang / Bhattacharya, Sanjoy K.

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.

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Toxicity and biodegradation of chlorophenols in anaerobic propionate enrichment culture

Jin, Peikang / Bhattacharya, Sanjoy K.

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.

Toxicity and biodegradation of chlorophenols in anaerobic propionate enrichment culture

Jin, Peikang / Bhattacharya, Sanjoy K.

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.

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Title:

Toxicity and biodegradation of chlorophenols in anaerobic propionate enrichment culture

Contributors:

Jin, Peikang (author) / Bhattacharya, Sanjoy K. (author)

Published in:

Water Environment Research ; 69 ; 938-947

Publication date:

1997-07-01

Size:

10 pages

ISSN:

1554-7531 , 1061-4303

DOI:

https://doi.org/10.2175/106143097X125623

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

PROPIONATE , CHLOROPHENOLS , TOXIC COMPOUNDS , METHANOGENS , BIODEGRADATION , DECHLORINATION , ANAEROBIC TREATMENT

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