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Microchannel Zeolite 13X Adsorbent with High CO2 Separation Performance
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-1053-4623
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-2796-4665
Dipartimento di Scienze Chimiche, Università degli Studi di Napoli Federico II, Complesso Universitario di Monte Sant’ Angelo, 80126 Napoli, Italy.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-7477-4960
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2021 (English)In: Separation and Purification Technology, ISSN 1383-5866, E-ISSN 1873-3794, Vol. 277, article id 119483Article in journal (Refereed) Published
Abstract [en]

Uniform 13X films with thicknesses of 3 and 11 µm were grown on supports in the form of steel monoliths with a cell density of 1600 cpsi and microchannels width of 0.5 mm. Sharp breakthrough fronts and a dynamic uptake of 3.4 mmol CO2 g-1 zeolite were observed in the forwarding step of breakthrough experiments for a feed of 10 % CO2 in N2 with a high flow rate at 293 K and 1 bar. Numerical modeling showed that the adsorption process was very fast and that the transport of CO2 in the thin zeolite layer was the rate-limiting step, the mass transfer resistance for the 11 µm film is 2.2 times lower than zeolite 13X pellets and 100 times lower than zeolite 4A beads. Axial dispersion, pressure drop, and gas film resistance were shown to be negligible. The steel monolith support provides good mechanical strength and excellent thermal conductivity for the 13X films. The combination of properties makes this adsorbent a good performer when compared with other types of structured zeolite adsorbents in reported literatures. This microchannel adsorbent is a promising alternative to traditional adsorbents in processes of fast CO2 separation with short cycle times.

Place, publisher, year, edition, pages
Elsevier, 2021. Vol. 277, article id 119483
Keywords [en]
Adsorption, Phase separation, Oriented monolayer, Monolithic adsorbents, 13X zeolite, CO2 capture
National Category
Chemical Process Engineering
Research subject
Chemical Technology; Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-86749DOI: 10.1016/j.seppur.2021.119483ISI: 000702863300006Scopus ID: 2-s2.0-85113172411OAI: oai:DiVA.org:ltu-86749DiVA, id: diva2:1586007
Funder
Sida - Swedish International Development Cooperation AgencyÅForsk (Ångpanneföreningen's Foundation for Research and Development)Bio4Energy
Note

Validerad;2021;Nivå 2;2021-09-01 (johcin)

Available from: 2021-08-18 Created: 2021-08-18 Last updated: 2024-03-27Bibliographically approved

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Hedlund, JonasGarcia, GustavoZhou, MingMouzon, Johanne

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