Journal
BIORESOURCE TECHNOLOGY
Volume 101, Issue 18, Pages 7123-7130Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.03.139
Keywords
Biomass gasification; Ni catalyst; Ceramic filter candles; Fluidized-bed; Tar analysis
Funding
- European Contract Unique [211517]
- French-Italian University
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A bench-scale fluidized-bed biomass gasification plant, operating at atmospheric pressure and temperature within the range 800-820 degrees C, has been used to test an innovative gas cleaning device: a catalytic filter candle fitted into the bed freeboard This housing of the gas conditioning system within the gasifier itself results in a very compact unit and greatly reduced thermal losses Long term (22 h) tests were performed on the gasifier both with and without the catalytic candle filter, under otherwise identical conditions Analysis of the product gas for the two cases showed the catalytic filtration to give rise to notable improvements in both gas quality and gas yield an increase in hydrogen yield of 130% and an overall increase in gas yield of 69% - with corresponding decreases in methane and tar content of 20% and 79%, respectively. HPLC/UV analysis was used to characterize the tar compounds (C) 2010 Elsevier Ltd All rights reserved.
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