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    High quality bio-oil from catalytic flash pyrolysis of lignocellulosic biomass over alumina-supported sodium carbonate

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    Type
    Article
    Authors
    Imran, Ali
    Bramer, Eddy A.
    Seshan, Kulathuiyer
    Brem, Gerrit cc
    KAUST Department
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2014-11
    Permanent link to this record
    http://hdl.handle.net/10754/577075
    
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    Abstract
    Performance of a novel alumina-supported sodium carbonate catalyst was studied to produce a valuable bio-oil from catalytic flash pyrolysis of lignocellulosic biomass. Post treatment of biomass pyrolysis vapor was investigated in a catalyst fixed bed reactor at the downstream of the pyrolysis reactor. In-situ catalytic upgrading of biomass pyrolysis vapor was conducted in an entrained flow pyrolysis reactor by feeding a premixed feedstock of the catalyst and biomass. Na2CO3/gamma-Al2O3 was very effective for de-oxygenation of the pyrolysis liquid and oxygen content of the bio-oil was decreased from 47.5 wt.% to 16.4 wt.%. An organic rich bio-oil was obtained with 5.8 wt.% water content and a higher heating value of 36.1 MJ/kg. Carboxylic acids were completely removed and the bio-oil had almost a neutral pH. This bio-oil of high calorific low, low water and oxygen content may be an attractive fuel precursor. In-situ catalytic upgrading of biomass pyrolysis vapor produced a very similar quality bio-oil compared to post treatment of pyrolysis vapors, and shows the possible application of Na2CO3/gamma-Al2O3 in a commercial type reactor system such as a fluidized bed reactor. (C) 2014 Elsevier B.V. All rights reserved.
    Citation
    Imran, A., Bramer, E. A., Seshan, K., & Brem, G. (2014). High quality bio-oil from catalytic flash pyrolysis of lignocellulosic biomass over alumina-supported sodium carbonate. Fuel Processing Technology, 127, 72–79. doi:10.1016/j.fuproc.2014.06.011
    Publisher
    Elsevier BV
    Journal
    Fuel Processing Technology
    DOI
    10.1016/j.fuproc.2014.06.011
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.fuproc.2014.06.011
    Scopus Count
    Collections
    Articles; Water Desalination and Reuse Research Center (WDRC)

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