A surface-induced coating strategy for constructing hydrophobic zeolite composite to enhance the toluene adsorption in humid environment

被引：10
作者：
Lu, Shuangchun [1 ,2 ]
Xue, Wenjuan [4 ,5 ]
Wang, Hao [2 ]
Liu, Qingling [2 ,3 ]
Han, Rui [2 ]
Mei, Donghai [2 ,4 ,6 ]
机构：
[1] Inner Mongolia Univ, Sch Ecol & Environm, Hohhot, Peoples R China
[2] Tianjin Univ, Sch Environm Sci & Technol, Tianjin Key Lab Indoor Air Environm Qual Control, Tianjin 300350, Peoples R China
[3] Tianjin Univ, State Key Lab Engines, Tianjin 300350, Peoples R China
[4] Tiangong Univ, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
[5] Tiangong Univ, Sch Chem Engn & Technol, Tianjin 300387, Peoples R China
[6] Tiangong Univ, Sch Environm Sci & Engn, Tianjin 300387, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2023年 / 471卷
基金：
美国国家科学基金会;
关键词：
Zeolite; Porous organic polymer; Hydrophobicity; VOCs; Adsorption; VOLATILE ORGANIC-COMPOUNDS; MESOPOROUS SILICA; HIGH-CAPACITY; PERFORMANCE; FRAMEWORK; EMISSIONS; CAPTURE; CHINA;
D O I：
10.1016/j.cej.2023.144570
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Capturing volatile organic compounds (VOCs) under humid conditions using zeolites suffers from the dramatically decreasing adsorption capability with relative humidity (RH) increase. Herein, a surface-induced polymer coating method is proposed to design hydrophobic zeolite. The as-synthesized novel hydrophobic Y zeolite@hypercrosslinked polymer composite (Y@P) is demonstrated with excellent adsorption capability for VOCs. In particular, the toluene adsorption capacity of Y@P-2-80 composite is two times higher than that of Y zeolite, and the Qwet/Qdry values are 97.2% at 90 %RH, indicating that the toluene adsorption capability of Y@P-2-80 is almost unaffected by vapor. The proposed surface-induced polymer coating method provides a promising and universal strategy for effective VOCs capture under wet conditions using zeolites with enhanced hydrophobicity.
引用
收藏
页数：9
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