Document Detail

Effects of mass transfer and light intensity on substrate biological degradation by immobilized photosynthetic bacteria within an annular fiber-illuminating biofilm reactor.
MedLine Citation:
PMID:  24531266     Owner:  NLM     Status:  Publisher    
In this work, effects of mass transfer and light intensity on performance of substrate biodegradation by cell-immobilized photosynthetic bacteria were investigated within an annular fiber-illuminating bioreactor (AFIBR). In AFIBR, stable biofilm of photosynthetic bacteria was generated on the surface of side-glowing optical fiber to provide sufficient light supply and uniform light distribution in cell-immobilized zone for continuous substrate biodegradation during hydrogen production process. To optimize operation parameters for substrate degradation, a two-dimensional mass transfer model based on experimental data to describe coupled processes of substrate transfer and biodegradation in biofilm with substrate diffusion and convection in bulk flow region was proposed. Investigations on influences of substrate concentration, flow rate and light intensity were carried out. It was showed that the optimum operational parameters for the substrate degradation in the AFIBR are: 10g/l substrate concentration, 100ml/h flow rate and 3.1W/m(2) light intensity.
Chuan Zhang; Huan Zhang; Zhiping Zhang; Youzhou Jiao; Quanguo Zhang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-1-30
Journal Detail:
Title:  Journal of photochemistry and photobiology. B, Biology     Volume:  131C     ISSN:  1873-2682     ISO Abbreviation:  J. Photochem. Photobiol. B, Biol.     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-2-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804966     Medline TA:  J Photochem Photobiol B     Country:  -    
Other Details:
Languages:  ENG     Pagination:  113-119     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier B.V. All rights reserved.
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