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Supported ionic liquid sorbents for CO2 capture from simulated flue-gas
State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science. State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University, Nanjing.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science. Key Laboratory of Material and Chemical Engineering, Nanjing Tech University, Nanjing .
Key Laboratory of Material and Chemical Engineering, Nanjing Tech University, Nanjing .
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2018 (English)In: Chinese Journal of Chemical Engineering, ISSN 1004-9541, E-ISSN 2210-321X, Vol. 26, no 11, p. 2377-2384Article in journal (Refereed) Published
Abstract [en]

Supported ionic liquid (IL) sorbents for CO2 capture were prepared by impregnating tetramethylammonium glycinate ([N1111][Gly]) into four types of porous materials in this study. The CO2 adsorption behavior was investigated in a thermogravimetric analyzer (TGA). Among them, poly(methyl methacrylate) (PMMA)-[N1111][Gly] exhibits the best CO2 adsorption properties in terms of adsorption capacity and rate. The CO2 adsorption capacity reaches up to 2.14 mmol·g− 1 sorbent at 35 °C. The fast CO2 adsorption rate of PMMA-[N1111][Gly] allows 60 min of adsorption equilibrium time at 35 °C and much shorter time of 4 min is achieved at 75 °C. Further, Avrami's fractional-order kinetic model was used and fitted well with the experiment data, which shows good consistency between experimental results and theoretical model. In addition, PMMA-[N1111][Gly] remained excellent durability in the continuous adsorption–desorption cycling test. Therefore, this stable PMMA-[N1111][Gly] sorbent has great potential to be used for fast CO2 adsorption from flue-gas.

Place, publisher, year, edition, pages
Chemical Industry Press , 2018. Vol. 26, no 11, p. 2377-2384
Keywords [en]
CO2 adsorption Amino acid ionic liquid Supported ionic liquid sorbent Adsorption kinetics
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-70238DOI: 10.1016/j.cjche.2018.04.025ISI: 000452428700016Scopus ID: 2-s2.0-85048954100OAI: oai:DiVA.org:ltu-70238DiVA, id: diva2:1237008
Note

Validerad;2018;Nivå 2;2018-12-05 (inah)

Available from: 2018-08-07 Created: 2018-08-07 Last updated: 2019-02-27Bibliographically approved

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Li, ZhengChen, Yifeng

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