Hydrogenolysis of lignin to aromatics over Ru-based catalysts

被引：4
作者：
Luo, Zhicheng [1 ]
Zhu, Zhiguo [2 ]
Xiao, Rui [1 ]
机构：
[1] Southeast Univ, Sch Energy & Environm, MOE Key Lab Energy Thermal Convers & Control, 210096, Nanjing 202162, Peoples R China
[2] Yantai Univ, Coll Chem & Chem Engn, 30 Qingquan Rd, Yantai 264005, Shandong, Peoples R China
来源：
BIOMASS CONVERSION AND BIOREFINERY | 2024年 / 14卷 / 14期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Lignin; Hydrogenolysis; Monomers; Ru catalysts; Solvent effect; MONOMER PRODUCTION; DIPHENYL ETHER; CONVERSION; CLEAVAGE; BIOMASS; HYDRODEOXYGENATION; RUTHENIUM; OIL;
D O I：
10.1007/s13399-022-03699-0
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：
Hydrogenolysis of lignin to monomers has been extensively explored, but a systematic investigation of Ru-based catalysts for lignin hydrogenolysis was rare. Herein, we studied the effects of acid, Ru particle size, and solvent on lignin depolymerization. Ru-based catalysts with high acid concentrations gave a high monomer yield from lignin depolymerization. Ru loaded on the SiO2 with the plane structure was more active than those Ru/zeolite catalysts with microporous. Smaller Ru nanoparticles greatly facilitated the lignin depolymerization, which can be prepared using NaBH4 as the reductant. The addition of 20% of water into ethanol remarkably enhanced the monomer yield and altered the monomer distributions, in which the high-temperature water released the protons that promoted the hydrolysis of lignin apart from the hydrogenolysis over Ru.
引用
收藏
页码：16631 / 16637
页数：7
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