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The Role of Zeolite Structure and Acidity in Catalytic Deoxygenation of Biomass Pyrolysis Vapors
Univ Teknol PETRONAS, Tronoh, Malaysia.
Univ Teknol PETRONAS, Tronoh, Malaysia.
Univ Teknol PETRONAS, Tronoh, Malaysia.
Osaka Univ, Japan.
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2015 (English)In: Energy Procedia, ISSN 1876-6102, E-ISSN 1876-6102, Vol. 75, 793-800 p.Article in journal (Refereed) Published
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. 

Place, publisher, year, edition, pages
2015. Vol. 75, 793-800 p.
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-29323DOI: 10.1016/j.egypro.2015.07.126ISI: 000361030001038Scopus ID: 2-s2.0-84947067761OAI: oai:DiVA.org:mdh-29323DiVA: diva2:861081
Conference
7th International Conference on Applied Energy (ICAE), MAR 28-31, 2015, Abu Dhabi, U ARAB EMIRATES
Available from: 2015-10-15 Created: 2015-10-15 Last updated: 2015-11-27Bibliographically approved

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CiteExportLink to record
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