Journal
BIORESOURCE TECHNOLOGY
Volume 203, Issue -, Pages 26-31Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.12.048
Keywords
Esterification; Volatile fatty acids (VFAs); Fatty alcohol; Thermo-chemical process; Porous materials
Funding
- National Research Foundation of Korea (NRF) Grant - Korean Government (MSIP) [2914RA1A004893]
- National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology (MEST) [2009-0093848]
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Instead of anaerobic digestion of biodegradable wastes for producing methane, this work introduced the transformation of acidogenesis products (VFAs) into fatty acid methyl esters (FAMEs) to validate the feasible production of short-chained fatty alcohols via hydrogenation of FAMEs. In particular, among VFAs, this work mainly described the mechanistic explanations for transforming butyric acid into butyric acid methyl ester as a case study. Unlike the conventional esterification process (conversion efficiency of similar to 94%), the newly introduced esterification under the presence of porous materials via the thermochemical process reached up to similar to 99.5%. Furthermore, the newly introduced esterification via the thermo-chemical pathway in this work showed extremely high tolerance of impurities: the conversion efficiency under the presence of impurities reached up to similar to 99 +/- 0.3%; thus, the inhibition behaviors attributed from the impurities used for the experimental work were negligible. (C) 2015 Elsevier Ltd. All rights reserved.
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