Significance of partial pre-acidification of glucose for methanogenesis in an anaerobic digestion process

The ability of partial pre-acidification of carbohydrate-containing wastewaters to increase stability and maximal turnover characteristics in anaerobic digestion processes was investigated. The influent was a 1 per cent (w/v) glucose solution in a mineral salts medium, imposing carbon-limited growth...

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Bibliographic Details
Published in:Applied microbiology and biotechnology 1985-01, Vol.21 (6), p.404-408
Main Authors: Cohen, A, Breure, A.M, Schmedding, D.J.M, Zoetemeyer, R.J, Andel, J.G. van
Format: Article
Language:English
Subjects:
acidification
anaerobic digesters
anaerobic treatment
Applied sciences
Biological and medical sciences
Biotechnology
Energy
Exact sciences and technology
Food industries
Fundamental and applied biological sciences. Psychology
General aspects
glucose
methane
methane production
Methods. Procedures. Technologies
Microbial engineering. Fermentation and microbial culture technology
Miscellaneous
Natural energy
wastewater treatment
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Summary:The ability of partial pre-acidification of carbohydrate-containing wastewaters to increase stability and maximal turnover characteristics in anaerobic digestion processes was investigated. The influent was a 1 per cent (w/v) glucose solution in a mineral salts medium, imposing carbon-limited growth conditions. Small amounts of volatile fatty acids (3-13 per cent on a COD basis) added to the glucose medium increased the maximal specific COD-conversion rates of the sludge during continuous loading and after shock loading.
ISSN:0175-7598
1432-0614
DOI:10.1007/BF00249989