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Study of the Apparent Kinetics of Biomass Gasification Using High-Temperature Steam

Technical Report:

Abstract

Among the latest achievements in gasification technology, one may list the development of a method to preheat gasification agents using switched ceramic honey combs. The best output from this technology is achieved with use of water steam as a gasification agent, which is heated up to 1600 deg C. The application of these temperatures with steam as a gasification agent provides a cleaner syngas (no nitrogen from air, cracked tars) and the ash melts into easily utilised glass-like sludge. High hydrogen content in output gas is also favourable for end-user applications.Among the other advantages of this technology is the presumable application of fixed-bed-type reactors fed by separately produced and preheated steam. This construction assumes relatively high steam flow rates to deliver the heat needed for endothermic reactions involving biomass. The biomass is to be heated uniformly and evenly in the volume of the whole reactor, providing easier and simpler control and operation in comparison to other types of reactors. To provide potential constructors and exploiters of these reactors with the kinetic data needed for the calculations of vital parameters for both reactor construction and exploitation, basic experimental research of high-temperature steam gasification of four types of industrially produced biomass has  More>>
Publication Date:
Oct 15, 2010
Product Type:
Technical Report
Report Number:
KTH/MSE-10/65
Resource Relation:
Other Information: TH: Licentiate thesis (TeknL); 39 refs., 15 figs., 9 tabs.
Subject:
09 BIOMASS FUELS; BIOMASS; GASIFICATION; KINETICS; STEAM; THERMAL GRAVIMETRIC ANALYSIS; STRAW; WOOD FUELS; CHARCOAL
OSTI ID:
1005361
Research Organizations:
Royal Inst. of Tech., Stockholm (Sweden). School of Industrial Engineering and Management
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
Other: ISBN 978-91-7415-793-2; TRN: SE1107025
Availability:
Available from URI: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-26356
Submitting Site:
SWD
Size:
55 p. pages
Announcement Date:
Feb 28, 2011

Technical Report:

Citation Formats

Alevanau, Aliaksandr. Study of the Apparent Kinetics of Biomass Gasification Using High-Temperature Steam. Sweden: N. p., 2010. Web.
Alevanau, Aliaksandr. Study of the Apparent Kinetics of Biomass Gasification Using High-Temperature Steam. Sweden.
Alevanau, Aliaksandr. 2010. "Study of the Apparent Kinetics of Biomass Gasification Using High-Temperature Steam." Sweden.
@misc{etde_1005361,
title = {Study of the Apparent Kinetics of Biomass Gasification Using High-Temperature Steam}
author = {Alevanau, Aliaksandr}
abstractNote = {Among the latest achievements in gasification technology, one may list the development of a method to preheat gasification agents using switched ceramic honey combs. The best output from this technology is achieved with use of water steam as a gasification agent, which is heated up to 1600 deg C. The application of these temperatures with steam as a gasification agent provides a cleaner syngas (no nitrogen from air, cracked tars) and the ash melts into easily utilised glass-like sludge. High hydrogen content in output gas is also favourable for end-user applications.Among the other advantages of this technology is the presumable application of fixed-bed-type reactors fed by separately produced and preheated steam. This construction assumes relatively high steam flow rates to deliver the heat needed for endothermic reactions involving biomass. The biomass is to be heated uniformly and evenly in the volume of the whole reactor, providing easier and simpler control and operation in comparison to other types of reactors. To provide potential constructors and exploiters of these reactors with the kinetic data needed for the calculations of vital parameters for both reactor construction and exploitation, basic experimental research of high-temperature steam gasification of four types of industrially produced biomass has been conducted.Kinetic data have been obtained for straw and wood pellets, wood-chip charcoal and compressed charcoal of mixed origin}
place = {Sweden}
year = {2010}
month = {Oct}
}