Biomass gasification in near- and super-critical water: Status and prospects

Yukihiko Matsumura

doi:10.1016/j.biombioe.2005.04.006

Biomass gasification in near- and super-critical water: Status and prospects

2005-10-01

665

PRE

AI

Y

Yukihiko Matsumura *

T

Tomoaki Minowa

B

B. Potic

S

Sascha R.A. Kersten

W

Wolter Prins

W

W VANSWAAIJ

B

Bert van de Beld

D

Douglas C. Elliott

N

Neuenschwander, GG

A

Andrea Kruse

A

Antal, MJ

DOI：10.1016/j.biombioe.2005.04.006

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Abstract

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The current status of biomass gasification in near- and supercritical water (SCWG) is reviewed. There are two approaches to biomass gasification in supercritical water. The first: low-temperature catalytic gasification, employs reaction temperature ranging from 350 to 600 degrees C, and gasifies the feedstock with the aid. of metal catalysts. The second: high-temperature supercritical water gasification, employs reaction temperatures ranging from 500 to 750 degrees C, without catalyst or with non-metallic catalysts. Reviews are made on reaction mechanism, catalyst, and experimental results for these two approaches. Engineering technologies for SCWG gasification, and an example of process analysis are also introduced. Finally, the authors' prognostications on the future prospects of this technology are offered. (c) 2005 Elsevier Ltd. All rights reserved.

Keywords:

reaction mechanism

catalyst

reactor

Biomass gasification in near- and super-critical water: Status and prospects

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