Pretreatment-Catalyst Effects and the Combined Severity Parameter

Helena L. Chum; David K. Johnson; Stuart K. Black; Ralph P. Overend

doi:10.1007/BF02920229

Pretreatment-Catalyst Effects and the Combined Severity Parameter

Helena L. Chum, David K. Johnson, Stuart K. Black, Ralph P. Overend

BioEconomy and Sustainable Transportation

Research output: Contribution to journal › Article › peer-review

344 Scopus Citations

Abstract

Fractionation of lignocellulosic materials into high-yield cellulosic solid components can be accomplished with acid-catalyzed aqueous and mixed aqueous and nonaqueous media, with the latter leading to high lignin and xyland removal. Concepts combining only time and temperature pulping profile with catalyst concentration are presented to correlate these two types of fractionation methods with pulping variables. Severity concepts combining time and temperature only are often used in the pulp and paper industry. The present extension of this concept produces phenomenological descriptions that permit comparisons of different proceses and yield some pseudokinetic parameters for aspen (Populus tremuloides) acid-catalyzed fractionation.

Original language	American English
Pages (from-to)	1-14
Number of pages	14
Journal	Applied Biochemistry and Biotechnology - Part A Enzyme Engineering and Biotechnology
Volume	24-25
Issue number	1
DOIs	https://doi.org/10.1007/BF02920229 https://doi.org/10.1007/BF02920229
State	Published - 1990

NREL Publication Number

ACNR/JA-16823

Keywords

Catalyst effects
lignin
lignocellulosics
severity parameters
xylan

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abstract = "Fractionation of lignocellulosic materials into high-yield cellulosic solid components can be accomplished with acid-catalyzed aqueous and mixed aqueous and nonaqueous media, with the latter leading to high lignin and xyland removal. Concepts combining only time and temperature pulping profile with catalyst concentration are presented to correlate these two types of fractionation methods with pulping variables. Severity concepts combining time and temperature only are often used in the pulp and paper industry. The present extension of this concept produces phenomenological descriptions that permit comparisons of different proceses and yield some pseudokinetic parameters for aspen (Populus tremuloides) acid-catalyzed fractionation.",

keywords = "Catalyst effects, lignin, lignocellulosics, severity parameters, xylan",

author = "Chum, {Helena L.} and Johnson, {David K.} and Black, {Stuart K.} and Overend, {Ralph P.}",

year = "1990",

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AU - Chum, Helena L.

AU - Johnson, David K.

AU - Black, Stuart K.

AU - Overend, Ralph P.

PY - 1990

Y1 - 1990

N2 - Fractionation of lignocellulosic materials into high-yield cellulosic solid components can be accomplished with acid-catalyzed aqueous and mixed aqueous and nonaqueous media, with the latter leading to high lignin and xyland removal. Concepts combining only time and temperature pulping profile with catalyst concentration are presented to correlate these two types of fractionation methods with pulping variables. Severity concepts combining time and temperature only are often used in the pulp and paper industry. The present extension of this concept produces phenomenological descriptions that permit comparisons of different proceses and yield some pseudokinetic parameters for aspen (Populus tremuloides) acid-catalyzed fractionation.

AB - Fractionation of lignocellulosic materials into high-yield cellulosic solid components can be accomplished with acid-catalyzed aqueous and mixed aqueous and nonaqueous media, with the latter leading to high lignin and xyland removal. Concepts combining only time and temperature pulping profile with catalyst concentration are presented to correlate these two types of fractionation methods with pulping variables. Severity concepts combining time and temperature only are often used in the pulp and paper industry. The present extension of this concept produces phenomenological descriptions that permit comparisons of different proceses and yield some pseudokinetic parameters for aspen (Populus tremuloides) acid-catalyzed fractionation.

KW - Catalyst effects

KW - lignin

KW - lignocellulosics

KW - severity parameters

KW - xylan

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DO - 10.1007/BF02920229

M3 - Article

AN - SCOPUS:18744427371

SN - 0273-2289

VL - 24-25

SP - 1

EP - 14

JO - Applied Biochemistry and Biotechnology - Part A Enzyme Engineering and Biotechnology

JF - Applied Biochemistry and Biotechnology - Part A Enzyme Engineering and Biotechnology

IS - 1

ER -

Pretreatment-Catalyst Effects and the Combined Severity Parameter

Abstract

NREL Publication Number

Keywords

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