Development of a Novel, Reverse-Flow, Slagging Gasifier

B. Van De Beld; D. Assink; J. Brammer; A. V. Bridgwater

doi:10.1002/9780470694954.ch22

Development of a Novel, Reverse-Flow, Slagging Gasifier

B. Van De Beld^*, D. Assink, J. Brammer, A. V. Bridgwater

^*Corresponding author for this work

Research output: Chapter in Book/Published conference output › Chapter

Abstract

A novel biomass slagging gasifier has been developed under the European JOULE programme. The main objective of the project was to develop an innovative, reverse flow molten slag fixed bed gasifier concept for combined heat and power generation in a capacity range of 0.5-2.5 Mw_e, and with improved thermal efficiency (increase of 5 - 10%) compared to conventional fixed bed gasifiers. The reactor enables handling of relatively wet (up to 40 % mcdb) and ash-rich biomass fuels with a low ash-melting point. The gasifier produces a gas with a caloric value of at least 6 MJ/Nm³. This paper presents some experimental results obtained with the pilot-plant gasifier (20 kg biomass throughput per hour). The technical feasibility of the reverse flow gasifier has been demonstrated. The gasifier enables the production of a tar-free gas at low temperature, slag granulates and medium pressure steam.

Original language	English
Title of host publication	Progress in Thermochemical Biomass Conversion
Editors	A.V. Bridgwater
Publisher	Wiley-Blackwell
Pages	298-306
Number of pages	9
ISBN (Print)	9780470694954, 0632055332, 9780632055333
DOIs	https://doi.org/10.1002/9780470694954.ch22
Publication status	Published - 7 Apr 2008

Keywords

Ec-project
Joule programme
Lower heating value
Novel biomass slagging gasifier
Thermal efficiency

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10.1002/9780470694954.ch22

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abstract = "A novel biomass slagging gasifier has been developed under the European JOULE programme. The main objective of the project was to develop an innovative, reverse flow molten slag fixed bed gasifier concept for combined heat and power generation in a capacity range of 0.5-2.5 Mwe, and with improved thermal efficiency (increase of 5 - 10%) compared to conventional fixed bed gasifiers. The reactor enables handling of relatively wet (up to 40 % mcdb) and ash-rich biomass fuels with a low ash-melting point. The gasifier produces a gas with a caloric value of at least 6 MJ/Nm3. This paper presents some experimental results obtained with the pilot-plant gasifier (20 kg biomass throughput per hour). The technical feasibility of the reverse flow gasifier has been demonstrated. The gasifier enables the production of a tar-free gas at low temperature, slag granulates and medium pressure steam.",

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AU - Assink, D.

AU - Brammer, J.

AU - Bridgwater, A. V.

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KW - Lower heating value

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KW - Thermal efficiency

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BT - Progress in Thermochemical Biomass Conversion

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PB - Wiley-Blackwell

ER -

Development of a Novel, Reverse-Flow, Slagging Gasifier

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Keywords

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