Preparation and characterization of furfural residue derived char-based catalysts for biomass tar cracking

被引：9

作者：

Bai J. ^{[1
]}

He Z. ^{[1
]}

Yang L. ^{[2
]}

Wei X. ^{[1
]}

Hu J. ^{[1
,3
,4
,5
,6
]}

Li P. ^{[1
]}

Yan Z. ^{[3
]}

Chen Z. ^{[6
]}

Chang C. ^{[2
,3
,5
,6
]}

机构：

[1] School of Mechanical and Power Engineering, Zhengzhou University, Henan, Zhengzhou

[2] School of Chemical Engineering, Zhengzhou University, Henan, Zhengzhou

[3] National Key Laboratory of Biobased Transport Fuel Technology, Henan, Zhengzhou

[4] Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, Jianghan University, Hubei, Wuhan

[5] Henan Center for Outstanding Overseas Scientists, Henan, Zhengzhou

[6] Henan Key Laboratory of Green Manufacturing of Biobased Chemicals, Henan, Puyang

来源：

Waste Management | 2024年 / 179卷

基金：

中国国家自然科学基金;

关键词：

Biochar; Catalytic cracking; Furfural residue; Metal modified; Tar;

D O I：

10.1016/j.wasman.2024.03.013

中图分类号：

学科分类号：

摘要：

This study proposed an innovative strategy of catalytic cracking of tar during biomass pyrolysis/gasification using furfural residue derived biochar-based catalysts. Fe, Co, and Ni modified furfural residue char (FRC-Fe, FRC-Co, and FRC-Ni) were prepared by one-step impregnation method. The influences of cracking temperature and metal species on the tar cracking characteristics were investigated. The results showed that the tar conversion efficiency for all catalysts were improved with the cracking temperature increasing, the higher tar conversion efficiency achieved at 800 °C were 66.72 %, 89.58 %, 84.58 %, and 94.70 % for FRC, FRC-Fe, FRC-Co, and FRC-Ni respectively. FRC-Ni achieved the higher gas (H2, CO, CH4, CO2) yield 681.81 mL/g. At 800 °C, the catalyst (FRC-Ni) still reached a high tar conversion efficiency over 85.90 % after 5 cycles. SEM-EDS results showed that the distribution of Ni particles on the biochar support was uniform. TGA results demonstrated that FRC-Ni exhibited better thermal stability. XRD results indicated that there was no significant change in the grain size of Ni before and after the reaction. The FRC-Ni catalyst was reasonably stable due to its better anti-sintering and coke-resistant capabilities. © 2024 Elsevier Ltd

引用

页码：182 / 191

页数：9

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