title: Selective catalytic conversion of bio-oil over high-silica zeolites.
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.
authors.affiliation: Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan.
authors.forename: Wahyu Bambang
authors.initials: WB
authors.lastname: Widayatno
authors.affiliation: 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.
authors.forename: Guoqing
authors.initials: G
authors.lastname: Guan
authors.affiliation: Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan.
authors.forename: Jenny
authors.initials: J
authors.lastname: Rizkiana
authors.affiliation: 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.
authors.forename: Xiao
authors.initials: X
authors.lastname: Du
authors.affiliation: School of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
authors.forename: Xiaogang
authors.initials: X
authors.lastname: Hao
authors.affiliation: School of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
authors.forename: Zhonglin
authors.initials: Z
authors.lastname: Zhang
authors.affiliation: 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.
authors.forename: Abuliti
authors.initials: A
authors.lastname: Abudula
mesh_terms: D000143:Acids / Q000737:chemistry; D056804:Biofuels / Q000032:analysis*; D002384:Catalysis; D006838:Hydrocarbons / Q000032:analysis; D009821:Oils / Q000032:analysis*; D059027:Recycling; D012822:Silicon Dioxide / Q000737:chemistry*; D013696:Temperature; D017641:Zeolites / Q000737:chemistry*
chemical_list: D000143:Acids; D056804:Biofuels; D006838:Hydrocarbons; D009821:Oils; D017641:Zeolites; D012822:Silicon Dioxide
keywords: Bio-oil; Biomass; Deoxygenation; High silica zeolite; Selective catalytic conversion