Two-Step Bio-Oil Upgrading Using Carbon-Supported Mo2C Catalysts

被引：1
作者：
Wang, Haiyan [1 ,2 ]
Liu, Shida [2 ,3 ]
Dai, Yiling [4 ]
Kim, Chang Soo [5 ]
Smith, Kevin J. [2 ]
机构：
[1] Dalian Univ Technol, Frontier Sci Ctr Smart Mat, Sch Chem Engn, State Key Lab Final Chem, Dalian 116024, Peoples R China
[2] Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z3, Canada
[3] SINOPEC Dalian Fushun Res Inst Petr & Petrochem, Dalian 116045, Peoples R China
[4] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada
[5] Korea Inst Sci & Technol, Clean Energy Res Ctr, Seoul 02792, South Korea
来源：
ENERGY & FUELS | 2023年 / 38卷 / 01期
基金：
加拿大自然科学与工程研究理事会; 加拿大创新基金会;
关键词：
STEP HYDROGENATION-ESTERIFICATION; FAST PYROLYSIS; HYDRODEOXYGENATION; BIOMASS; PHENOL; PHASE; ACID; EMULSIFICATION; ALKYLATION; CONVERSION;
D O I：
10.1021/acs.energyfuels.3c03279
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Bio-oils are thermally unstable with high acidity, viscosity, and low heating value. Hence, crude bio-oils must be upgraded to obtain a product that meets current fuel standards while minimizing coke formation and catalyst deactivation. This study combined esterification and hydrodeoxygenation (HDO) in a two-step process to obtain an upgraded bio-oil. Mo2C-based catalysts had sufficient acidity to generate esters and stabilize the bio-oil. Among them, 2Ni-Mo2C/ABC (ABC & horbar;activated biochar) performed better because of a high hydrogenation activity. In the subsequent HDO step, the best Mo2C-based catalyst achieved 69% HDO with an overall carbon yield of 67%. The results are comparable to the one-step HDO using a Pd/C catalyst but offer the use of a lower-cost catalyst and reduced coke formation.
引用
收藏
页码：647 / 658
页数：12
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