Zeolite Supported Ionic Liquid Improved by Cyclodextrins for Efficient Removal Capacity of H2S

被引：9

作者：

Ma, Yunqian ^{[1
,2
]}

Mao, Jiaming ^{[1
]}

Xiao, Cong ^{[3
]}

Zhao, Tongtong ^{[1
]}

Zang, Lihua ^{[1
]}

机构：

[1] Qilu Univ Technol, Shandong Acad Sci, Coll Environm Sci & Engn, Jinan 250353, Shandong, Peoples R China

[2] Jiangnan Univ, Jiangsu Key Lab Anaerob Biotechnol, Wuxi 214122, Peoples R China

[3] Shandong Prov Met Engn Co Ltd, Jinan 250101, Shandong, Peoples R China

来源：

CHEMISTRY LETTERS | 2019年 / 48卷 / 03期

关键词：

Zeolite supported ionic liquid; Cyclodextrins; H2S removal; BETA-CYCLODEXTRIN; DESULFURIZATION; CATALYST;

D O I：

10.1246/cl.180812

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Using an advanced physical deposition method, a supported ionic liquid, Et3NHCl center dot CuCl2 immobilized on cyclodextrin modified zeolite, was developed as an efficient desulfurizer. Quantum chemical calculations were employed for the determination of the size of Et3NHCl center dot CuCl2, Et3NH+, and CuCl3-. Et3NH+ can be included into the cavity of beta-cyclodextrin, suggesting that Et3NHCl center dot CuCl2 can be well dispersed on the surface of zeolite. Two deposition modes were proposed due to an excessive molar ratio 7:1 of Et3NHCl center dot CuCl2 to beta-cyclodextrin in favor of H2S removal.

引用

页码：234 / 237

页数：4

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