Article (Scientific journals)
Isolation Of Highly Performant Sulfate Reducers From Sulfate-Rich Environments
Hiligsmann, Serge; Jacques, Philippe; Thonart, Philippe
1998In Biodegradation, 9 (3-4), p. 285-292
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Paper related to a lecture presented at EU TMR summer school "The biological sulphur cycle : environmental science and technology"; April 1998 Wageningen, The Netherlands
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Keywords :
biodegradation; sulfide; sulfate-reducing bacteria; isolation; inhibition; hydrogen
Abstract :
[en] Eleven pure strains of sulfate-reducing bacteria have been isolated from lab-scale bioreactors or disposal sites, all featuring relatively high concentrations of sulfate, and from natural environments in order to produce sulfide from gypsum using hydrogen as energy source. The properties of the eleven strains have been investigated and compared to these of three collection strains i.e. Desulfovibrio desulfuricans and vulgaris and Desulfotomaculum orientis. Particular attention was paid to the absolute and relative sulfide production rate and to the hydrogen sulfide inhibition level. By comparison to the collection strains, a 75 % higher production rate and a hydrogen sulfide inhibition level about twice higher i.e. 25.1 mM have been achieved with strains isolated from sulfate-rich environments. The strain selection, particularly from sulfate-rich environments, should be considered as an optimization factor for the sulfate reduction processes.
Research center :
Centre Wallon de Biologie Industrielle
Disciplines :
Biotechnology
Environmental sciences & ecology
Author, co-author :
Hiligsmann, Serge ;  Université de Liège - ULiège > Biochimie et microbiologie industrielles
Jacques, Philippe ;  Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Bio-industries
Thonart, Philippe ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Language :
English
Title :
Isolation Of Highly Performant Sulfate Reducers From Sulfate-Rich Environments
Publication date :
1998
Journal title :
Biodegradation
ISSN :
0923-9820
eISSN :
1572-9729
Publisher :
Springer, New York, United States - New York
Volume :
9
Issue :
3-4
Pages :
285-292
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Bioconversion du gypse par des bactéries sulfato-réductrices
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
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