Highly efficient and recyclable conversion of CO2 using supported metal-free ionic liquids on ball clay

被引：7

作者：

Peng, Jiangtao ^{[1
]}

Guo, Ruifeng ^{[2
]}

Shi, Xiongxi ^{[1
]}

Zhang, Peiping ^{[1
]}

Qiu, Fagui ^{[1
]}

Li, Wenqing ^{[3
]}

Wei, Cundi ^{[1
]}

Miao, Shiding ^{[1
]}

机构：

[1] Jilin Univ, Solid Waste Recycling Engn Res Ctr Jilin Prov, Sch Mat Sci & Engn, Key Lab Automobile Mat,Minist Educ, Changchun 130022, Peoples R China

[2] Jilin Baofeng Ball Clay Co Ltd, Hongyang St, Jilin 132207, Jilin, Peoples R China

[3] Minist Nat Resources, Key Lab Mineral Resources Evaluat Northeast Asia, Changchun 130061, Peoples R China

来源：

APPLIED CLAY SCIENCE | 2022年 / 228卷

基金：

中国国家自然科学基金;

关键词：

Ball clay; Metal-free ionic liquids; Carbon dioxide conversion; Heterogeneous catalysis; CARBON-DIOXIDE; PROPYLENE CARBONATE; CYCLIC CARBONATE; CATALYST; CYCLOADDITION; FABRICATION; MEMBRANE; PRESSURE; FIXATION; PRODUCTS;

D O I：

10.1016/j.clay.2022.106645

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：

A type of clay-supported catalysts was developed for cycloaddition of CO2 by immobilizing metal-free ionic liquids (IL) on ball clay (BC) via a one-step strategy. The metal-free IL was loaded on the surface of BC via thermal and acid treatment. The synthesized materials (IL@P-BC) were characterized by Fourier transform infrared spectroscopy (FTIR), N-2 adsorption-desorption, and transmission electron microscopy (TEM). The composite IL@P-BC demonstrated excellent catalytic performance (yield 94.0%, selectively >99%) for coupling of CO2 with epoxides to produce cyclic carbonates under the lack of any co-catalyst. The good recyclability and excellent suitability were obtained for the composite IL@P-BC. These experimental analyses deepen comprehension of the rational design of clay-based catalysts for CO2 cycloaddition, further confirmed ball clay was a promising support.

引用

页数：8

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