{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T03:54:36Z","timestamp":1782186876726,"version":"3.54.5"},"reference-count":104,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2025,12,13]],"date-time":"2025-12-13T00:00:00Z","timestamp":1765584000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003443","name":"Ministry of Science and Education of the Russian Federation","doi-asserted-by":"crossref","award":["075-15-2024-547"],"award-info":[{"award-number":["075-15-2024-547"]}],"id":[{"id":"10.13039\/501100003443","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Membranes"],"abstract":"<jats:p>Today, reducing carbon footprints requires the development of technologies to utilize CO2, particularly by converting it into valuable chemical products. One approach is plasma-catalytic CO2 splitting into CO and O2. The task of separating such a ternary mixture is nontrivial and requires the development of an efficient method. In this paper, we have developed a comprehensive scheme for the separation of a CO2\/CO\/O2 mixture using membrane technology. The novelty of this work lies in the development of a complete scheme for separating the products of plasma-chemical decomposition of CO2 to produce a CO concentrate. The calculations utilized the principle of a reasonable balance between the recovery rate and the energy consumption of the separation process. This scheme allows production of a CO stream with a purity of 99%. To achieve this goal, we have proposed the sequential use of CO2-selective membranes based on polysiloxane with oligoethyleneoxide side groups (M-PEG), followed by polysulfone (PSF) hollow-fiber membranes to separate CO and O2. For these membranes, we measured the CO permeability for the first time and obtained the selectivity for CO2\/CO and O2\/CO. The potential of membrane separation was demonstrated through a three-stage process, which includes recycling of the CO removal stream and concentration after CO2 plasmolysis. This process was calculated to yield a highly pure CO stream containing 99 mol% with a recovery rate of 47.9\u201369.4%. The specific energy consumption for the separation process was 30.31\u20130.83 kWh per 1 m3 of feed mixture, and the required membrane area was between 0.1 m2 for M-PEG and 42.5\u2013107 m2 for PSF, respectively.<\/jats:p>","DOI":"10.3390\/membranes15120380","type":"journal-article","created":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T13:32:37Z","timestamp":1765805557000},"page":"380","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Exploring the Potentials of Membrane Gas Separation for CO Concentration After Plasma Catalytic CO2 Splitting"],"prefix":"10.3390","volume":"15","author":[{"given":"Daria","family":"Miroshnichenko","sequence":"first","affiliation":[{"name":"A.V. Topchiev Institute of Petrochemical Synthesis RAS, Leninsky Pr., 29, Moscow 119991, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6643-3736","authenticated-orcid":false,"given":"Evgenia","family":"Grushevenko","sequence":"additional","affiliation":[{"name":"A.V. Topchiev Institute of Petrochemical Synthesis RAS, Leninsky Pr., 29, Moscow 119991, Russia"},{"name":"Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1, Moscow 119991, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5139-2265","authenticated-orcid":false,"given":"Maxim","family":"Shalygin","sequence":"additional","affiliation":[{"name":"A.V. Topchiev Institute of Petrochemical Synthesis RAS, Leninsky Pr., 29, Moscow 119991, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dmitry","family":"Matveev","sequence":"additional","affiliation":[{"name":"A.V. Topchiev Institute of Petrochemical Synthesis RAS, Leninsky Pr., 29, Moscow 119991, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0406-6280","authenticated-orcid":false,"given":"Ilya","family":"Borisov","sequence":"additional","affiliation":[{"name":"A.V. Topchiev Institute of Petrochemical Synthesis RAS, Leninsky Pr., 29, Moscow 119991, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9297-4950","authenticated-orcid":false,"given":"Anton","family":"Maximov","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1, Moscow 119991, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stepan","family":"Bazhenov","sequence":"additional","affiliation":[{"name":"A.V. Topchiev Institute of Petrochemical Synthesis RAS, Leninsky Pr., 29, Moscow 119991, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,12,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"212726","DOI":"10.1016\/j.geoen.2024.212726","article-title":"Recent Advances in CCUS: A Critical Review on Technologies, Regulatory Aspects and Economics","volume":"238","author":"Nath","year":"2024","journal-title":"Geoenergy Sci. Eng."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"443","DOI":"10.1016\/j.ijggc.2012.07.005","article-title":"Purification of Aqueous Amine Solvents Used in Post Combustion CO2 Capture: A Review","volume":"10","author":"Scholes","year":"2012","journal-title":"Int. J. Greenh. 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