Catalytic hydrothermal liquefaction of municipal sludge for biocrude production over non-noble bimetallic catalyst in ethanol solvent

被引：15

作者：

Hao, Botian ^{[1
]}

Xu, Donghai ^{[1
]}

Wang, Yu ^{[1
]}

Wang, Yuanyuan ^{[2
]}

Kapusta, Krzysztof ^{[3
]}

Guo, Yang ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermo Fluid Sci & Engn, Minist Educ, Xian 710049, Shaanxi, Peoples R China

[2] East China Normal Univ, Dept Chem, 500 Dongchuan Rd, Shanghai 200241, Peoples R China

[3] Cent Min Inst, Glowny Inst Gornictwa, Plac Gwarkow 1, PL-40166 Katowice, Poland

来源：

FUEL | 2023年 / 331卷

基金：

中国国家自然科学基金;

关键词：

Municipal sludge; Hydrothermal liquefaction; Non-noble bimetallic catalyst; Ethanol; Biocrude; SEWAGE-SLUDGE; MICROALGAE; LIGNIN;

D O I：

10.1016/j.fuel.2022.125812

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：

In this study, non-noble metal Ni, Cu, Co loading on activated carbon (AC) were applied to the hydrothermal liquefaction (HTL) process of municipal sludge with ethanol solvent to evaluate the effects on biocrude. Three AC-supported non-noble metal catalysts were prepared: Ni/AC, Ni-Co/AC and Ni-Cu/AC. Ni-Co/AC and Ni-Cu/ AC catalysts increased the HHV of biocrudes, and significantly reduced the sulfur content in biocrudes from 4.3 wt% to 0.8 wt% and 0.7 wt% compared with non-catalytic HTL. Ethanol solvent significantly improved biocrude yields, and esters accounted for about 50% of the total biocrudes due to esterification reaction. The presence of Ni-Co/AC along with ethanol promoted the conversion of high boiling point compounds to low boiling point compounds.

引用

页数：8

共 27 条

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