Influence of seeding conditions on initial biofilm development during the start-up of anaerobic fluidized bed reactors

The thickest biofilm developed in the upper part of the bed and the thinnest near the inlet. The growth of the film was associated with an increase in the protein content. Polysaccharides were more important initially in assisting the adhesion of the biomass to the particulate support. Biofilms form...

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Bibliographic Details
Published in:Water science and technology 1989, Vol.21 (4-5), p.157-165
Main Authors: EHLINGER, F, AUDIE, J. M, FAUP, G. M
Format: Article
Language:English
Subjects:
anaerobic process
Biological and medical sciences
bioreactors
Biotechnology
digestion (anaerobic)
Fundamental and applied biological sciences. Psychology
Methods. Procedures. Technologies
Microbial engineering. Fermentation and microbial culture technology
reactors
wastewater treatment
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Summary:The thickest biofilm developed in the upper part of the bed and the thinnest near the inlet. The growth of the film was associated with an increase in the protein content. Polysaccharides were more important initially in assisting the adhesion of the biomass to the particulate support. Biofilms formed under unfavourable conditions (eg in the alkaline region) generally contained less protein than a biofilm at pH 7, and consequently the biological activity was inferior.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.1989.0219