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Aerobic degradation of bisphenol-A and its derivatives in river sediment

Aerobic degradation of bisphenol-A and its derivatives in river sediment This study investigated the aerobic degradation of bisphenol-A (BPA) and the derivatives bisphenol-B (BPB), bisphenol-F (BPF), tetrabromobisphenol-A (TBBPA), and tetrachlorobisphenol-A (TCBPA) in river sediment. The degradation rates of BPA and BPF were enhanced by adding brij 30, brij 35, rhamnolipid, surfactin, or crude enzyme; a higher degradation rate was observed with crude enzyme than with the other additives. The degradation rates of BPA and its derivatives (BPAs) in the sediment were BPF > BPA > BPB > TCBPA > TBBPA. Different BPAs affected the changes in the microbial community in the sediment. Sediment fractions with larger particle sizes demonstrated higher degradation rates. Different sediment particle sizes affected the changes in the microbial communities. Pseudomonas sp. may be the dominant bacteria in the process of degradation of BPAs in river sediment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Technology Taylor & Francis

Aerobic degradation of bisphenol-A and its derivatives in river sediment

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References (36)

Publisher
Taylor & Francis
Copyright
© 2013 Taylor & Francis
ISSN
1479-487X
DOI
10.1080/09593330.2013.831111
pmid
24600882
Publisher site
See Article on Publisher Site

Abstract

This study investigated the aerobic degradation of bisphenol-A (BPA) and the derivatives bisphenol-B (BPB), bisphenol-F (BPF), tetrabromobisphenol-A (TBBPA), and tetrachlorobisphenol-A (TCBPA) in river sediment. The degradation rates of BPA and BPF were enhanced by adding brij 30, brij 35, rhamnolipid, surfactin, or crude enzyme; a higher degradation rate was observed with crude enzyme than with the other additives. The degradation rates of BPA and its derivatives (BPAs) in the sediment were BPF > BPA > BPB > TCBPA > TBBPA. Different BPAs affected the changes in the microbial community in the sediment. Sediment fractions with larger particle sizes demonstrated higher degradation rates. Different sediment particle sizes affected the changes in the microbial communities. Pseudomonas sp. may be the dominant bacteria in the process of degradation of BPAs in river sediment.

Journal

Environmental TechnologyTaylor & Francis

Published: Feb 16, 2014

Keywords: aerobic degradation; bisphenol-A; crude enzyme; microbial communities; sediment

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