{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T05:14:02Z","timestamp":1777958042612,"version":"3.51.4"},"reference-count":66,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T00:00:00Z","timestamp":1774569600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemPhysChem"],"published-print":{"date-parts":[[2026,3,27]]},"abstract":"<jats:p>\n                    Vermiculite was subjected to acid treatments in HNO\n                    <jats:sub>3<\/jats:sub>\n                    , HCl, and a mixture of both acid solutions to improve its physicochemical properties for CO\n                    <jats:sub>2<\/jats:sub>\n                    adsorption. To assess the structural changes resulting from these treatments, all samples were characterized by XRD, XRF, FTIR, TGA, TEM, and nitrogen physisorption. Raw vermiculite and acid treated vermiculite samples have been evaluated in CO\n                    <jats:sub>2<\/jats:sub>\n                    adsorption processes at 1\u2009bar and 0\u00b0C, 20\u00b0C, and 30\u00b0C. The unmodified sample exhibited a CO\n                    <jats:sub>2<\/jats:sub>\n                    uptake of only 25.91\u2009mg\u2009g\n                    <jats:sup>\u22121<\/jats:sup>\n                    , attributed to its low specific surface area and pore volume. In contrast, the sample modified with a 3\u2009M HNO\n                    <jats:sub>3<\/jats:sub>\n                    solution showed the highest adsorption capacity, reaching 70.48\u2009mg g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . The results demonstrate that the CO\n                    <jats:sub>2<\/jats:sub>\n                    adsorption capacity of clay can be significantly improved by acid modification. The adsorption process was modeled using various isotherm equations, including Langmuir, Freundlich, and Sips. Among them, the Sips model provided the best fit to the experimental data for acid\u2010activated vermiculites. In general, the study confirms that both the chemical composition and the textural properties of the material play a crucial role in its CO\n                    <jats:sub>2<\/jats:sub>\n                    adsorption performance.\n                  <\/jats:p>","DOI":"10.1002\/cphc.202500596","type":"journal-article","created":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T12:46:20Z","timestamp":1775047580000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Adsorption of CO\n                    <sub>2<\/sub>\n                    on Vermiculite\u2010Derived Samples"],"prefix":"10.1002","volume":"27","author":[{"given":"Katarzyna","family":"Wal","sequence":"first","affiliation":[{"name":"Faculty of Chemistry Wroc\u0142aw University of Science and Technology  Wroc\u0142aw Poland"},{"name":"Materials Science &amp; Engineering Center \u0141ukasiewicz Research Network \u2013 PORT Polish Center for Technology Development  Wroc\u0142aw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1370-9516","authenticated-orcid":false,"given":"Ewa","family":"Lorenc\u2010Grabowska","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry Wroc\u0142aw University of Science and Technology  Wroc\u0142aw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joanna","family":"Cybi\u0144ska","sequence":"additional","affiliation":[{"name":"Materials Science &amp; Engineering Center \u0141ukasiewicz Research Network \u2013 PORT Polish Center for Technology Development  Wroc\u0142aw Poland"},{"name":"Faculty of Chemistry University of Wroclaw  Wroclaw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9214-7901","authenticated-orcid":false,"given":"Piotr","family":"Rutkowski","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry Wroc\u0142aw University of Science and Technology  Wroc\u0142aw Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,4,1]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.colsurfa.2010.04.022"},{"key":"e_1_2_7_3_1","volume-title":"The Physical Science Basis. 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