The effect of biomass density on cellulose solubilisation rates

O'Sullivan, C., Burrell, P. C., Clarke, W. P. and Blackall, L .L. (2008) The effect of biomass density on cellulose solubilisation rates. Bioresource Technology, 99 11: 4723-4731. doi:10.1016/j.biortech.2007.09.070

Author O'Sullivan, C.
Burrell, P. C.
Clarke, W. P.
Blackall, L .L.
Title The effect of biomass density on cellulose solubilisation rates
Journal name Bioresource Technology   Check publisher's open access policy
ISSN 0960-8524
Publication date 2008-07-01
Year available 2008
Sub-type Article (original research)
DOI 10.1016/j.biortech.2007.09.070
Open Access Status DOI
Volume 99
Issue 11
Start page 4723
End page 4731
Total pages 9
Editor S. C. Ricke
Place of publication Amsterdam, Netherlands
Publisher Elsevier BV
Language eng
Subject 0907 Environmental Engineering
969999 Environment not elsewhere classified
090703 Environmental Technologies
060504 Microbial Ecology
Abstract The aim of this work was to compare the impact of inoculation density on the rate of cellulose hydrolysis by a rumen derived culture with that of a microbial enrichment from an organic waste anaerobic digester. The results showed a linear relationship between the mass of biomass at the start of the first order degradation phase (Xo) and the first order hydrolysis rate (r) for both rumen inoculated and leachate inoculated cellulose digestions and that the slopes of these relationships were not distinguishable. This suggested that differences in the microbial community, media and other environmental factors had a lesser impact on the hydrolysis rate compared to the effect of the number of cells in the system. This could be of great importance to industrial applications of anaerobic digestion technologies as it suggested that if cells densities in the waste treatment digesters could be boosted to match those seen in the rumen, then the rates of the cellulose hydrolysis would rise. © 2007 Elsevier Ltd
Keyword Cellulose
Anaerobic digestion
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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Created: Fri, 17 Apr 2009, 00:56:00 EST by Gail Smith on behalf of Faculty Of Engineering, Architecture & Info Tech