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The feasibility of biodiesel production by microalgae using industrial wastewater.
MedLine Citation:
PMID:  22269054     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study investigated nitrogen and phosphorus assimilation and lipid production of microalgae in industrial wastewater. Two native strains of freshwater microalgae were evaluated their biomass growth and lipid production in modified BBM medium. Chlamydomonas sp. TAI-2 had better biomass growth and higher lipid production than Desmodesmus sp.TAI-1. The optimal growth and lipid accumulation of Chlamydomonas sp. TAI-2 were tested under different nitrogen sources, nitrogen and CO(2) concentrations and illumination period in modified BBM medium. The optimal CO(2) aeration was 5% for Chlamydomonas sp. TAI-2 to achieve maximal lipid accumulation under continuous illumination. Using industrial wastewater as the medium, Chlamydomonas sp. TAI-2 could remove 100% NH(4)(+)-N (38.4mg/L) and NO(3)(-)-N (3.1mg/L) and 33% PO(4)(3-)-P (44.7mg/L) and accumulate the lipid up to 18.4%. Over 90% of total fatty acids were 14:0, 16:0, 16:1, 18:1, and 18:3 fatty acids, which could be utilized for biodiesel production.
Authors:
Li Fen Wu; Pei Chung Chen; Ai Ping Huang; Chi Mei Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-2
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-Kuang Rd., 402 Taichung, Taiwan.
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