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The role of zeolite structure and acidity in catalytic deoxygenation of biomass pyrolysis vapors
Universiti Teknologi PETRONAS, Tronoh.
Universiti Teknologi PETRONAS, Tronoh.
Universiti Teknologi PETRONAS, Tronoh.
Osaka University, Toyonaka.
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2015 (English)In: CLEAN, EFFICIENT AND AFFORDABLE ENERGY FOR A SUSTAINABLE FUTURE / [ed] Yan, J; Shamim, T; Chou, SK; Li, H, Elsevier, 2015, Vol. 75, p. 793-800Conference paper, Published paper (Refereed)
Abstract [en]

Catalytic upgrading of paddy husk was performed over 10-MR zeolites (MCM-22, ITQ-2 and ZSM-5) in a drop type fixed-bed reactor. This work investigated the role of structure and acidity of zeolites on pyrolysis-oil yield and degree of deoxygenation. Catalytic pyrolysis experiments were carried out at the catalyst/biomass ratio (0.05 -0.5) at temperature of 450 degrees C. The oil yield decreased by using catalyst and this decrease oil yield is attributed to catalytic cracking of bio-oil vapor on the catalyst. The route for deoxygenation of pyrolysis vapors was identified to be dehydration, decarboxylation and decarboxylation. ITQ-2 showed high degree of deoxygenation as compare to MCM-22 which is due to more accessible external active sites of ITQ-2. The organics yield in pyrolysis oil was highest with ZSM-5 in comparison with other zeolites. (C) 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 75, p. 793-800
Series
Energy Procedia, ISSN 1876-6102 ; 75
Keywords [en]
Biomass, catalytic upgrading, zeolites, yield, deoxygenation
National Category
Chemical Engineering
Research subject
Chemical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-75321DOI: 10.1016/j.egypro.2015.07.126ISI: 000361030001038OAI: oai:DiVA.org:kau-75321DiVA, id: diva2:1360773
Conference
7th International Conference on Applied Energy (ICAE, Abu Dhabi, U ARAB EMIRATES, MAR 28-31, 2015
Available from: 2019-10-14 Created: 2019-10-14 Last updated: 2019-10-17Bibliographically approved

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Naqvi, Muhammad

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