MOF-derived Fe3O4@SiO2/Al2O3 yolk-shell nanoreactor for efficient furfural acetalization

被引：0
|
作者：
Zhang, Yang [1 ,2 ]
Zou, Qizhuang [2 ]
Fang, Ruiqi [2 ,3 ,4 ]
Tan, Hua [1 ]
Ji, Hongbing [1 ]
Li, Yingwei [2 ,3 ]
机构：
[1] Guangdong Univ Petrochem Technol, Coll Chem, Maoming 525000, Peoples R China
[2] South China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Peoples R China
[3] South China Univ Technol, Sch Chem & Chem Engn, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China
[4] South China Univ Technol, Sch Chem & Chem Engn, Guangdong Prov Key Lab Fuel Cell Technol, Guangzhou 510640, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2024年 / 187卷
基金：
中国国家自然科学基金;
关键词：
Yolk-shell; Nanoreactor; Metal-organic frameworks; Acetalization; Furfural; HYDROGENATION; NANOCRYSTALS; LEWIS;
D O I：
10.1016/j.catcom.2024.106900
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Yolk-shell nanoreactors feature numbers of advantages in promoting catalytic performance. This work demonstrates the fabrication of yolk-shell Fe3O4@SiO2/Al2O3-T (T = 500-900 degrees C) from metal-organic framework. Characterizations indicate the Fe3O4 yolk and SiO2/Al2O3 shell of the obtained nanoreactors. Fe3O4@SiO2/ Al2O3-800 showed excellent performance in furfural acetalization to 2-(dimethoxymethyl)furan, achieving a 97% yield at 60 degrees C, atmospheric pressure within 5 h. Control experiments reveal the high reactivity of Fe3O4 yolks for furfural acetalization, and acidic Al species are favorable for reactivity promotion. Besides, porous SiO2/Al2O3 shells facilitate mass transfer and increase the accessibility of active sites, also contribute to the high performance and stability.
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页数：10
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