Adsorption/desorption of toluene on a hypercrosslinked polymeric resin in a highly humid gas stream

Bing Zhou; Bin Sun; Wenjuan Qiu; Ying Zhou; Junqian He; Xiao'ai Lu; Hanfeng Lu

doi:10.1016/j.cjche.2018.09.027

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Adsorption/desorption of toluene on a hypercrosslinked polymeric resin in a highly humid gas stream

Separation Science and Engineering | Updated：2026-01-06

- Adsorption/desorption of toluene on a hypercrosslinked polymeric resin in a highly humid gas stream
- Chinese Journal of Chemical Engineering Vol. 27, Issue 4, Pages: 863-868(2019)
- Affiliations：
  
  1. Institute of Catalytic Reaction Engineering, College of Chemical Engineering, Zhejiang University of Technology,Hangzhou,China,310014
  2. College of Environment, Zhejiang University of Technology,Hangzhou,China,310014
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.09.027
  CLC：
- Published：2019
- Accepted：
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Bing Zhou, Bin Sun, Wenjuan Qiu, Ying Zhou, Junqian He, Xiao'ai Lu, Hanfeng Lu. Adsorption/desorption of toluene on a hypercrosslinked polymeric resin in a highly humid gas stream[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 863-868.
DOI：

Bing Zhou, Bin Sun, Wenjuan Qiu, Ying Zhou, Junqian He, Xiao'ai Lu, Hanfeng Lu. Adsorption/desorption of toluene on a hypercrosslinked polymeric resin in a highly humid gas stream[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 863-868. DOI： 10.1016/j.cjche.2018.09.027.

摘要

Abstract

In many sources of volatile organic compounds (VOCs)

large amounts of water vapor come from the air and the reactors. The relative humidity (RH) of exhaust gas is normally60% and is supersaturated. Maintaining the property of adsorbent on VOCs in a highly humid gas stream is a serious industrial problem. In this study

the adsorption/desorption behavior of toluene in a micro-mesoporous polymeric resin was investigated in a highly humid environment to explore the influence of abound water vapor on resin adsorption and regeneration. This resin could selectively adsorb toluene at an RH of 80%

and its adsorption property was unaffected by the presence of water vapor. In the case of humidity saturation

the resin displayed a high adsorption capacity at a moisture content of30%. Therefore

the polymer resin is an excellent water-resistant adsorbent of VOCs. In the regenerative experiment

the resin maintained its original adsorption capability after four adsorption/desorption cycles of toluene purging with nitrogen gas at 120℃. The resin exhibited excellent regeneration performance at high humidity.

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