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Biomass-supported catalysts on Desulfovibrio desulfuricans and Rhodobacter sphaeroides

Redwood, MD and Deplanche, K and Baxter-Plant, VS and Macaskie, LE (2008) Biomass-supported catalysts on Desulfovibrio desulfuricans and Rhodobacter sphaeroides. Biotechnology and Bioengineering, 99 (5). pp. 1045-1054. ISSN 0006-3592

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URL of Published Version: http://www.ncbi.nlm.nih.gov/pubmed/17969153

Identification Number/DOI: DOI 10.1002/bit.21689

A Rhodobacter sphaeroides-supported dried, ground palladium catalyst (‘‘Rs-Pd(0)’’) was compared with a Desulfovibrio desulfuricans-supported catalyst (‘‘Dd-Pd(0)’’)and with unsupported palladium metal particles made by reduction under H2 (‘‘Chem-Pd(0)’’). Cell surface-located clusters of Pd(0) nanoparticles were detected on both D. desulfuricans and R. sphaeroides but the size and location of deposits differed among comparably loaded preparations.

These differences may underlie the observation of different activities of Dd-Pd(0) and Rs-Pd(0) when compared with respect to their ability to promote hydrogen release from hypophosphite and to catalyze chloride release from chlorinated aromatic compounds. Dd-Pd(0) was more effective in the reductive dehalogenation of polychlorinated biphenyls (PCBs), whereas Rs-Pd(0) was more effective in the initial dehalogenation of pentachlorophenol (PCP) although the rate of chloride release from PCP was comparable with both preparations after 2 h.

Type of Work:Article
Date:2008 (Publication)
School/Faculty:Schools (1998 to 2008) > School of Biosciences
Department:School of Biosciences
Subjects:Q Science (General)
Institution:University of Birmingham
Copyright Holders:Wiley Periodicals Inc
ID Code:1008
Refereed:YES
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  • Biomass-supported catalysts on Desulfovibrio desulfuricans and Rhodobacter sphaeroides. (deposited 18 Jan 2012 14:01) [Currently Displayed]
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