Internal tar/CH4 reforming in a biomass dual fluidised bed gasifier.

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Göransson, KristinaMittuniversitetet,Avdelningen för kemiteknik,FSCN Bioenergy - gasification (author)

Internal tar/CH4 reforming in a biomass dual fluidised bed gasifier.

Article/chapterEnglish2015

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2014-10-02
Springer Science and Business Media LLC,2015
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:miun-23247
https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-23247URI
https://doi.org/10.1007/s13399-014-0151-5DOI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

Notes

Published online 2nd Oct 2014.
An internal reformer is developed for in situ catalyticreforming of tar and methane (CH4) in allothermal gasifiers.The study has been performed in the 150 kW dual fluidised bed (DFB) biomass gasifier at Mid Sweden University(MIUN). The MIUN gasifier is built for research onsynthetic fuel production. Reduction of tars and CH4 (exceptfor methanation application) in the syngas is a major challengefor commercialization of biomass fluidised-bed gasificationtechnology towards automotive fuel production. The MIUN gasifier has a unique design with an internal reformer, where intensive contact of gas and catalytic solids improves the reforming reactions. This paper presents an initial study on the internal reformer operated with and without Ni-catalytic pellets, by evaluation of the syngas composition and tar/CH4 content. A novel application of Ni-catalyst in DFB gasifiers is proposed and studied in this work. It can be concluded that the reformer with Ni-catalytic pellets clearly gives a higher H2 content together with lower CH4 and tar contents in the syngas than the reformer without Ni-catalytic pellets. The gravimetric tar content decreases down to 5 g/m3 and the CH4 content down below 6 % in the syngas. The tar content can be decreased further to lower levels, with increased gas contact to the specific surface area of the catalyst and increased catalyst surface-to-volume ratio. The new design in the MIUN gasifier increases the gasification efficiency, suppresses the tar generation and upgrades the syngas quality.

Subject headings and genre

TEKNIK OCH TEKNOLOGIER Kemiteknik hsv//swe
ENGINEERING AND TECHNOLOGY Chemical Engineering hsv//eng
Biomass gasification
Syngas cleaning
Tar removal
Tar/CH4 reformning
Dual fluidised bed
Ni-catalyst

Added entries (persons, corporate bodies, meetings, titles ...)

Söderlind, UlfMittuniversitetet,Avdelningen för kemiteknik,FSCN Bioenergy - gasification(Swepub:miun)ulfsod (author)
Henschel, TillMittuniversitetet,Avdelningen för kemiteknik,FSCN Bioenergy - gasification(Swepub:miun)tilhen (author)
Engstrand, PerMittuniversitetet,Avdelningen för kemiteknik,FSCN(Swepub:miun)pereng (author)
Zhang, WennanMittuniversitetet,Avdelningen för kemiteknik,FSCN Bioenergy - gasification(Swepub:miun)wenzha (author)
MittuniversitetetAvdelningen för kemiteknik (creator_code:org_t)

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In:Biomass Conversion and Biorefinery: Springer Science and Business Media LLC5, s. 355-3662190-68152190-6823

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