Document Detail

Cost-effective biostimulation strategy for wastewater decolorization using immobilized-cell systems.
MedLine Citation:
PMID:  19269169     Owner:  NLM     Status:  MEDLINE    
This study tended to evaluate threshold operation criteria of biostimulation for optimal biodecolorization in immobilized-cell systems (ICSs) using Porites corals as packing matrices. Indigenous Aeromonas hydrophila with high efficiency for decolorization isolated from Northeast Taiwan was used for study. As maximal treatment performance of ICS could only be achieved with maximal absorbed biomass with highest color removal capability. Maintaining optimal attached cells for cost-effective color removal efficiency inevitably required essential nutrients provided from rich media for biostimulation. With consideration of efficient cell attachment and maximal dye biodecolorization, our proposed method of "graphical reconstruction" quantitatively revealed the most economically-feasible strategy of medium stimulation for color removal. Our findings pointed out the maximal allowable inlet concentration and treatment capacity using our prediction of constant-slope isoclines of ICSs at cultures fed with different concentrations of nutrient sources. The method of isoclines upon transient dynamics of ICSs also provided a technically viable assessment for on-site professionals to quantitatively determine maximal biotreatment thresholds in biostimulation.
Bor-Yann Chen; Chia-Yi Yen; Chung-Chuan Hsueh
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-03-06
Journal Detail:
Title:  Bioresource technology     Volume:  100     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-03-24     Completed Date:  2009-05-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  2975-81     Citation Subset:  IM    
Department of Chemical and Materials Engineering, National I-Lan University, I Shan-Long Road, I-Lan, 260 Taiwan.
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MeSH Terms
Aeromonas hydrophila / metabolism*
Bioreactors / microbiology*
Cells, Immobilized
Cost-Benefit Analysis
Water Pollutants, Chemical / economics*,  isolation & purification,  metabolism*
Water Purification / economics*,  methods*
Reg. No./Substance:
0/Water Pollutants, Chemical

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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