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| Research progress of removing VOCs by molecular sieve adsorption method |
| Li Zhi1, Wang Jianying1, Zhang Xiangjing1, Wang Yong2, Ning Yuanfeng1, Lu Yameng1 |
1. College of Chemical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China;
2. Institute of process engineering, Chinese academy of sciences, Beijing 100190, China |
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Abstract Adsorption is an effective method to control the environmental damage of volatile organic compounds (VOCs).Molecular sieves have been paid more attention in the field of VOCs control because of its advantages such as uniform pore structure, regular pore size, larger surface area and better thermal stability. The research progresses on adsorption of VOCs by A, X, Y and ZSM type molecular sieves were summarized. The results show that the pore structure and surface properties of zeolite, silica-alumina ratio,thespecies,polarrty and hydrophilicity of VOCs have important effects on the adsorption properties of zeolite. The examples of industrial applications of molecular sieves were briefly described,and some uggestions for future studies and application of VOCs adsorption on molecular sieves were presented.
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