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Titolo:
Factors affecting chemical biodegradation
Autore:
Liu, D; Maguire, RJ; Lau, YL; Pacepavicius, GJ; Okamura, H; Aoyama, I;
Indirizzi:
Natl Water Res Inst, Burlington, ON L7R 4A6, Canada Natl Water Res Inst Burlington ON Canada L7R 4A6 gton, ON L7R 4A6, Canada Okayama Univ, Bioresources Res Inst, Kurashiki, Okayama 710, Japan OkayamaUniv Kurashiki Okayama Japan 710 t, Kurashiki, Okayama 710, Japan
Titolo Testata:
ENVIRONMENTAL TOXICOLOGY
fascicolo: 5, volume: 15, anno: 2000,
pagine: 476 - 483
SICI:
1520-4081(200012)15:5<476:FACB>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
PENTACHLOROPHENOL; FENITROTHION; DEGRADATION; WATER; METABOLISM; TRANSFORMATION; PESTICIDES; TOXICITY; KINETICS; CARBON;
Keywords:
co-metabolites; aerobic; anaerobic; acclimation; 2,4-dichlorophenoxy acetic acid; carbaryl; fenitrothion; pentachlorophenol; 2,4-dinitrotoluene;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
35
Recensione:
Indirizzi per estratti:
Indirizzo: Maguire, RJ Natl Water Res Inst, Burlington, ON L7R 4A6, Canada Natl WaterRes Inst Burlington ON Canada L7R 4A6 4A6, Canada
Citazione:
D. Liu et al., "Factors affecting chemical biodegradation", ENVIRON TOX, 15(5), 2000, pp. 476-483

Abstract

Microbial degradation is one of the most important processes responsible for the removal of chemical contaminants from the environment. Since the aquatic compartment is frequently the ultimate depository for many man-made substances, there is a need to understand factors that control and/or affect the rate of biodegradation for chemical substances in the aquatic environment. In this study, several priority chemicals encompassing various biocides(2,4-dichlorophenoxy acetic acid, carbaryl, fenitrothion, pentachlorophenol) and a nitroaromatic (2,4-dinitrotoluene were assessed for their biodegradability in cyclone fermenters under aerobic and anaerobic conditions, withand without co-metabolites. Among those factors investigated, aerobic and anaerobic conditions, availability of co-metabolites, and pre-exposure of microorganisms to the test chemical were found to be the most significant elements in controlling the rate of biodegradation. Other factors (e.g., acclimation period) requiring attention in calculating the rate of biodegradation were also discussed. (C) 2000 by John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 23:53:55