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Removal of Typical Industrial Gaseous Pollutants: From Carbon, Zeolite, and Metal-organic Frameworks to Molecularly Imprinted Adsorbents

Category: Control Techniques and Strategy

Volume: 19 | Issue: 9 | Pages: 2130-2150
DOI: 10.4209/aaqr.2019.04.0215
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Yan Huang1, Wenhui Su1, Rui Wang 1, Tiansheng Zhao2

  • 1 School of Environmental Science and Engineering, Shandong University, Jinan 250199, China
  • 2 State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China

Highlights

  • Molecularly imprinted adsorbents for gaseous pollutants removal were reviewed.
  • The removal methods of CO2, H2S, NOx, SO2 and VOCs were summarized.
  • Performance of metal-free adsorbents (carbon, zeolite and MOFs) were introduced.

Abstract

In recent years, various adsorbents have been developed to alleviate atmospheric pollution and remove harmful gases, such as carbon dioxide, sulfur dioxide, nitrogen oxides, hydrogen sulfide and volatile organic compounds. Polymer-based adsorbents are a novel type of material now being used for gas separation and purification; in particular, molecular imprinted polymers (MIPs) can achieve selective adsorption of target gas molecules. However, existing review papers have not yet discussed the application of MIPs in gas purification. In this paper, therefore, we exhaustively summarize recently developed adsorbents, including the materials based on carbon, zeolite, and metal-organic frameworks as well as MIPs, to analyze the status of these materials and identify promising adsorbents for gas purification.

Keywords

Adsorption Industrial gas Molecule imprinting technique Porous materials Selectivity


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