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Kinetics of thermochemical pretreatment of lignocellulosic materials

The results of an experimental study of the acid hydrolysis of hardwood are presented in the form of values for the three parameters activation energy, power on the acid concentration, and pre-exponential factor, of the first order kinetic constants for each of the following reaction participants: x...

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Published in:	Applied biochemistry and biotechnology 1989-01, Vol.20 (1), p.63-78
Main Authors:	Converse, A.O. (Dartmouth College, Hanover, NH), Kwarteng, I.K, Grethlein, H.E, Ooshima, H
Format:	Article
Language:	English
Subjects:	ACTIVIDAD ENZIMATICA ACTIVITE ENZYMATIQUE ENZYMIC ACTIVITY GLUCANE GLUCANO GLUCANS HIDROLISIS HYDROLYSE HYDROLYSIS LIGNOCELLULOSE LIGNOCELULOSA PROPIEDADES TERMOQUIMICAS PROPRIETE THERMOCHIMIQUE THERMOCHEMICAL PROPERTIES wood
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description	The results of an experimental study of the acid hydrolysis of hardwood are presented in the form of values for the three parameters activation energy, power on the acid concentration, and pre-exponential factor, of the first order kinetic constants for each of the following reaction participants: xylan dremaining, glucan remaining, xylose formed, and xylose decomposed. These are used as a base for a quantitative theory to predict the temperature, time, and acid concentrations needed for effective pretreatment of the substrate for subsequent enzymatic hydrolysis of the glucan. This theory is based on the assumption that successful pretreatment requires > 90% removal of the xylan, < 10% removal of the glucan, and > 80% xylose yield. This theory is compared with selected published data.
doi_str_mv	10.1007/BF02936473
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source	Springer Online Journal Archives
subjects	ACTIVIDAD ENZIMATICA ACTIVITE ENZYMATIQUE ENZYMIC ACTIVITY GLUCANE GLUCANO GLUCANS HIDROLISIS HYDROLYSE HYDROLYSIS LIGNOCELLULOSE LIGNOCELULOSA PROPIEDADES TERMOQUIMICAS PROPRIETE THERMOCHIMIQUE THERMOCHEMICAL PROPERTIES wood
title	Kinetics of thermochemical pretreatment of lignocellulosic materials
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