Journal
FUEL
Volume 90, Issue 6, Pages 2266-2272Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2011.02.021
Keywords
Air gasification; Mixed plastic wastes; Tar; Two-stage gasifier; Activated carbon
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Funding
- National Research Foundation of Korea [과C9A2408] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Air gasification was conducted with a fraction of mixed plastic wastes in a newly developed two-stage gasifier. In this work, the influence of the reaction parameters, such as equivalence ratio, upper-reactor temperature and feed size, on the producer gas composition and tar removal were investigated. In addition, the effects of activated carbon and dolomite were also examined. At an equivalence ratio of 0.21, a very clean producer gas was obtained with a LHV of 13.44 MJ/Nm(3). Activated carbon had a better tar removal efficiency than dolomite. The amount of additive had significant effects on the tar removal efficiency and hydrogen production. When 640 g of activated carbon was applied, the total tar production was about 2.5 times less and H(2) production two times higher than without activated carbon. (C) 2011 Elsevier Ltd. All rights reserved.
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