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Catalytic upgrading of pyrolysis vapors from Jatropha wastes using alumina, zirconia and titania based catalysts
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Document Title
Catalytic upgrading of pyrolysis vapors from Jatropha wastes using alumina, zirconia and titania based catalysts
Author
Kaewpengkrow P, Atong D, Sricharoenchaikul V
Name from Authors Collection
Affiliations
Chulalongkorn University; National Science & Technology Development Agency - Thailand; National Metal & Materials Technology Center (MTEC); Chulalongkorn University
Type
Article
Source Title
BIORESOURCE TECHNOLOGY
ISSN
0960-8524
Year
2014
Volume
163
Issue
68
Open Access
Bronze
Publisher
ELSEVIER SCI LTD
DOI
10.1016/j.biortech.2014.04.035
Format
Abstract
The objective of this study was to catalytically upgrade bio-oil from organic vapors of Jatropha wastes using Py-GC/MS. Catalytic testing included Al2O3, ZrO2, TiO2 (rutile, T-1) and TiO2 (anatase, T-2) supporter catalysts modified with transition metals (Pd, Ru or Ni) by impregnation method. In non-catalytic runs, the main vapor products were fatty acids (60.74%). With the presence of Al2O3 based catalysts, carboxylic acids were obviously reduced to 0.76-19.61% while hydrocarbons were the main products (42.00-64.06%). Comparing among four supporters, total hydrocarbon yields increased with presence of all catalysts. Higher yields were obtained by T-2 > Al2O3 > CA > NiCA > RuCA catalysts. Al2O3 and T-2 supports were the most effective for increased hydrocarbons while decreased oxygenated compounds (15%) which is one of the primary aims of this study. The result indicating that high surface area resulted in better catalytic activity but also adversely promoted N-compounds. Therefore these catalysts can be applied to improve properties of pyrolytic products. (c) 2014 Elsevier Ltd. All rights reserved.
Keyword
Funding Sponsor
National Research University Project, Office of High Education Commission [WCU-042-EN-57]; National Metal and Materials Technology Center, Thailand [MT-B-53-END-07-082-C]; JST/JICA, Science and Technology Research Partnership for Sustainable Development (SATREPS), Japan; Thailand Graduate Institute of Science and Technology (TGIST) [TG-33-09-55-008D]
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Publication Source
WOS