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Effects of algal hydrolyzate as reaction medium on enzymatic hydrolysis of lignocelluloses

Author:
Rui Chen, Benjamin D. Thomas, Yan (Susie) Liu, Walter Mulbry, Wei Liao
Source:
Biomass and bioenergy 2014 v.67 pp. 72-78
ISSN:
0961-9534
Subject:
Panicum virgatum, neutralization, citrates, lignocellulose, animal manures, buffers, bioethanol, feedstocks, biodiesel, ethanol production, biorefining, enzymatic hydrolysis, corn stover, hydrolysis, anaerobic digestion, Populus, alkali treatment, lignin, acid treatment, biomass
Abstract:
Effects of an algal hydrolyzate on the enzymatic hydrolysis of lignocelluloses were examined using four bioenergy feedstocks (poplar, corn stover, switchgrass, and anaerobically digested manure fiber). Feedstocks were pretreated using dilute acid or alkali prior to hydrolysis. Hydrolysis reactions were conducted using the neutralized algal hydrolyzate, citrate buffer, or deioinized water as reaction media. Results demonstrated that algal hydrolyzate significantly improved the efficiency of enzymatic hydrolysis of lignin-rich or structurally recalcitrant biomass such as poplar and anaerobically digested manure fiber. This study showed that algal biomass can be used as not only a biofuel feedstock for direct diesel and ethanol production, but also a supplemental feedstock to enhance the performance of lignocellulosic biorefining.
Agid:
59639
Handle:
10113/59639