Selective catalytic conversion of bio-oil over high-silica zeolites

Wahyu Bambang Widayatno; Guoqing Guan; Jenny Rizkiana; Xiao Du; Xiaogang Hao; Zhonglin Zhang; Abuliti Abudula

doi:10.1016/j.biortech.2014.12.046

Selective catalytic conversion of bio-oil over high-silica zeolites

Bioresour Technol. 2015 Mar:179:518-523. doi: 10.1016/j.biortech.2014.12.046. Epub 2014 Dec 23.

Authors

Wahyu Bambang Widayatno¹, Guoqing Guan², Jenny Rizkiana¹, Xiao Du³, Xiaogang Hao⁴, Zhonglin Zhang⁴, Abuliti Abudula⁵

Affiliations

¹ Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan.
² Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan; North Japan Research Institute for Sustainable Energy (NJRISE), Hirosaki University, 2-1-3, Matsubara, Aomori 030-0813, Japan.
³ North Japan Research Institute for Sustainable Energy (NJRISE), Hirosaki University, 2-1-3, Matsubara, Aomori 030-0813, Japan; School of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
⁴ School of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
⁵ Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan; North Japan Research Institute for Sustainable Energy (NJRISE), Hirosaki University, 2-1-3, Matsubara, Aomori 030-0813, Japan. Electronic address: abuliti@cc.hirosaki-u.ac.jp.

PMID: 25576987
DOI: 10.1016/j.biortech.2014.12.046

Abstract

Four high silica zeolites, i.e., HSZ-385, 890, 960, and 990 were utilized for the selective catalytic conversion of bio-oil from Fallopia japonica to certain chemicals in a fixed-bed reactor. The Beta-type HSZ-960 zeolite showed the highest selectivity to hydrocarbons, especially to aromatics as well as PAH compounds with the lowest unwanted chemicals while HSZ-890 showed high selectivity to aromatics. NH3-Temperature Programmed Desorption (TPD) analysis indicated that different amounts of acid sites in different zeolites determined the catalytic activity for the oxygen removal from bio-oil, in which the acid sites at low temperature (LT) region gave more contribution within the utilized temperature region. The reusability test of HSZ-960 showed the stability of hydrocarbons yield at higher temperature due to the significant contribution of coke gasification which assisted further deoxygenation of bio-oil. These results provide a guidance to select suitable zeolite catalysts for the upgrading of bio-oil in a practical process.

Keywords: Bio-oil; Biomass; Deoxygenation; High silica zeolite; Selective catalytic conversion.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Acids / chemistry
Biofuels / analysis*
Catalysis
Hydrocarbons / analysis
Oils / analysis*
Recycling
Silicon Dioxide / chemistry*
Temperature
Zeolites / chemistry*

Substances

Acids
Biofuels
Hydrocarbons
Oils
Zeolites
Silicon Dioxide