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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/2152

Title: Comparison between sucrose, ethanol and methanol as carbon and energy sources for biological sulphate reduction
Authors: Greben, HA
Maree, JP
Mnqanqeni, S
Keywords: Biological sulphate reduction
Carbon sources
Ethanol
Sucrose
Sulphide oxidation
Sugar
Engineering
Issue Date: 2000
Publisher: I W A Publishing
Citation: Greben, HA, Maree, JP and Mnqanqeni, S. 2000. Comparison between sucrose, ethanol and methanol as carbon and energy sources for biological sulphate reduction. Water Science and Technology, vol. 41(12), pp 247-253
Abstract: Sulphate was reduced via sulphide to sulphur when operating a single-stage completely mixed reactor configuration feeding synthetic feed. The aim of this study was to determine the volumetric and specific sulphate reduction rates using sugar, ethanol and methanol as a carbon and energy sources. The presented results indicated that sugar and ethanol were found to be suitable carbon and energy sources resulting in a volumetric and a specific sulphate reduction rate of 10.4 and 4.8 g SO4(l.d) and 0.8 and 2.8 g SO4/(gVSS.d), respectively, at a Hydraulic Retention Time (HRT) of 3.6 h and at ambient temperature (21 degrees C). Methanol induced methanogenesis rather than sulphidogenesis. The experimental sulphide/sulphate ratio was consistently lower than the theoretical value which indicated that part of the formed sulphide was oxidized to sulphur.
URI: http://hdl.handle.net/10204/2152
http://hdl.handle.net/10204/2152
ISSN: 0273-1223
Appears in Collections:General science, engineering & technology

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