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Description: Book cover
The Effects of Long Chain Fatty Acids (LCFA) on Sulfate Removal in An Acclimated Mixed Anaerobic Culture
Abstract
Oleic acid (OA) and stearic acid (SA), two long chaing fatty acids (LCFAs) possessing 18 carbons, were used to inhibit methanogensis in an anaerobic mixed culture converting sulfate to sulfide. Under anaerobic conditions, SRB oxidize simple organic compounds by utilizing sulfate as an electron acceptor and generate sulfide (S−2) and alkalinity. In mixed anaerobic communities, evidence has shown that sulfate reducing bacteria (SRB) outcompete aceticlastic methanogens, for acetate.The objective of the work was to assess the effects of OA and SA on sulfate reduction in mixed anaerobic batch cultures maintained at 37±2°C.
Oleic acid (OA) and stearic acid (SA), two long chaing fatty acids (LCFAs) possessing 18 carbons, were used to inhibit methanogensis in an anaerobic mixed culture converting sulfate to sulfide. Under anaerobic conditions, SRB oxidize simple organic compounds by utilizing sulfate as an electron acceptor and generate sulfide (S−2) and alkalinity. In mixed anaerobic communities, evidence has...
Author(s)
Mamata SharmaJerald A. LalmanNihar Biswas
SourceProceedings of the Water Environment Federation
SubjectSession 20: Making the Most of Biological Treatment and AEESP Lecture
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Oct, 2007
ISSN1938-6478
SICI1938-6478(20071013)2007:18L.1471;1-
DOI10.2175/193864707787452390
Volume / Issue2007 / 18
Content sourceWEFTEC
First / last page(s)1471 - 1473
Copyright2007
Word count109
Subject keywordsLONG CHAIN FATTY ACIDS (LCFAs)MPB INHIBITIONSULFATE REDUCTION

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