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Title: Mechanism, Kinetics and Microbiology of Inhibition Caused by Long-Chain Fatty Acids in Anaerobic Digestion of Algal Biomass

Abstract

Oleaginous microalgae contain a high level of lipids, which can be extracted and converted to biofuel. The lipid-extracted residue can then be further utilized through anaerobic digestion to produce biogas. However, long-chain fatty acids (LCFAs) have been identified as the main inhibitory factor on microbial activity of anaerobic consortium. In this study, the mechanism of LCFA inhibition on anaerobic digestion of whole and lipid-extracted algal biomass was investigated with a range of calcium concentrations against various inoculum to substrate ratios as a means to alleviate the LCFA inhibition.

Authors:
 [1];  [1];  [2];  [2];  [2];  [1];  [1]
  1. Washington State Univ., Pullman, WA (United States)
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1224898
Report Number(s):
NREL/JA-5100-65218
Journal ID: ISSN 1754-6834
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Accepted Manuscript
Journal Name:
Biotechnology for Biofuels
Additional Journal Information:
Journal Volume: 8; Related Information: Biotechnology for Biofuels; Journal ID: ISSN 1754-6834
Publisher:
BioMed Central
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; 59 BASIC BIOLOGICAL SCIENCES; algae; anaerobic digestion; LCFA inhibition; calcium; kinetic model; microbial community

Citation Formats

Ma, Jingwei, Zhao, Quan-Bao, Laurens, Lieve L., Jarvis, Eric E., Nagle, Nick J., Chen, Shulin, and Frear, Craig S. Mechanism, Kinetics and Microbiology of Inhibition Caused by Long-Chain Fatty Acids in Anaerobic Digestion of Algal Biomass. United States: N. p., 2015. Web. doi:10.1186/s13068-015-0322-z.
Ma, Jingwei, Zhao, Quan-Bao, Laurens, Lieve L., Jarvis, Eric E., Nagle, Nick J., Chen, Shulin, & Frear, Craig S. Mechanism, Kinetics and Microbiology of Inhibition Caused by Long-Chain Fatty Acids in Anaerobic Digestion of Algal Biomass. United States. doi:10.1186/s13068-015-0322-z.
Ma, Jingwei, Zhao, Quan-Bao, Laurens, Lieve L., Jarvis, Eric E., Nagle, Nick J., Chen, Shulin, and Frear, Craig S. Tue . "Mechanism, Kinetics and Microbiology of Inhibition Caused by Long-Chain Fatty Acids in Anaerobic Digestion of Algal Biomass". United States. doi:10.1186/s13068-015-0322-z. https://www.osti.gov/servlets/purl/1224898.
@article{osti_1224898,
title = {Mechanism, Kinetics and Microbiology of Inhibition Caused by Long-Chain Fatty Acids in Anaerobic Digestion of Algal Biomass},
author = {Ma, Jingwei and Zhao, Quan-Bao and Laurens, Lieve L. and Jarvis, Eric E. and Nagle, Nick J. and Chen, Shulin and Frear, Craig S.},
abstractNote = {Oleaginous microalgae contain a high level of lipids, which can be extracted and converted to biofuel. The lipid-extracted residue can then be further utilized through anaerobic digestion to produce biogas. However, long-chain fatty acids (LCFAs) have been identified as the main inhibitory factor on microbial activity of anaerobic consortium. In this study, the mechanism of LCFA inhibition on anaerobic digestion of whole and lipid-extracted algal biomass was investigated with a range of calcium concentrations against various inoculum to substrate ratios as a means to alleviate the LCFA inhibition.},
doi = {10.1186/s13068-015-0322-z},
journal = {Biotechnology for Biofuels},
number = ,
volume = 8,
place = {United States},
year = {2015},
month = {9}
}

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Cited by: 22 works
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