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Among them, mordenite stands out due to its channel structure, wide availability, and low cost. In this work, we evaluated the H<jats:sub>2<\/jats:sub>S adsorption capacity of mordenite using a volumetric static method. The results show the adsorption capacity of H<jats:sub>2<\/jats:sub>S in mordenite varies with the exchanged cation. The highest was measured in Na\u2010mordenite (~4.08\u2005mmol H<jats:sub>2<\/jats:sub>S\/g mordenite). The experimental breakthrough curves for this zeolite confirmed Langmuir\u2010type adsorption and strong affinity between Na<jats:sup>+<\/jats:sup> cations and H<jats:sub>2<\/jats:sub>S. Despite this interaction, the XRD diffractograms of Na\u2010mordenite show that the material retained its crystalline structure. More information about the differences in the amount of H<jats:sub>2<\/jats:sub>S adsorbed in the zeolites caused by the change in exchanged cation was obtained by H<jats:sub>2<\/jats:sub>S adsorption followed by FTIR spectroscopy. The spectra show differences in the position of the peaks related to the different adsorption modes of H<jats:sub>2<\/jats:sub>S caused by a change in the polarizing power of the cations due to their charge and position inside the zeolite pores.<\/jats:p>","DOI":"10.1002\/cplu.202300446","type":"journal-article","created":{"date-parts":[[2023,12,6]],"date-time":"2023-12-06T21:23:31Z","timestamp":1701897811000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Hydrogen Sulfide Adsorption Mechanism and Breakthrough Curves of Highly Stable Na\u2010, Na\u2010H\u2010, Ca\u2010 and K\u2010Mordenites"],"prefix":"10.1002","volume":"89","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3476-0131","authenticated-orcid":false,"given":"Aline","family":"Villarreal","sequence":"first","affiliation":[{"name":"Physical Chemistry Department School of Chemistry National Autonomous University of Mexico  Cd. Universitaria M\u00e9xico DF 04510 M\u00e9xico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6863-1288","authenticated-orcid":false,"given":"Jorge","family":"Ram\u00edrez","sequence":"additional","affiliation":[{"name":"Chemical Engineering Department School of Chemistry National Autonomous University of Mexico  Cd. Universitaria M\u00e9xico DF 04510 M\u00e9xico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rogelio","family":"Cuevas\u2010Garc\u00eda","sequence":"additional","affiliation":[{"name":"Chemical Engineering Department School of Chemistry National Autonomous University of Mexico  Cd. Universitaria M\u00e9xico DF 04510 M\u00e9xico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A\u00edda","family":"Guti\u00e9rrez\u2010Alejandre","sequence":"additional","affiliation":[{"name":"Chemical Engineering Department School of Chemistry National Autonomous University of Mexico  Cd. Universitaria M\u00e9xico DF 04510 M\u00e9xico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,1,11]]},"reference":[{"key":"e_1_2_9_1_1","doi-asserted-by":"crossref","unstructured":"P.\u2005K. Moore M. Whiteman ed. Chemistry Biochemistry and Pharmacology of Hydrogen Sulfide Springer International Publishing Switzerland 2015 p. 368.","DOI":"10.1007\/978-3-319-18144-8"},{"key":"e_1_2_9_2_1","unstructured":"OSHA Fact sheet. Hydrogen sulfide (H2S) 2005."},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00053845"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhazmat.2009.11.117"},{"key":"e_1_2_9_5_1","unstructured":"\u00a0"},{"key":"e_1_2_9_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11356-023-28411-1"},{"key":"e_1_2_9_7_2","doi-asserted-by":"publisher","DOI":"10.1080\/15422119.2018.1476978"},{"key":"e_1_2_9_8_1","doi-asserted-by":"crossref","unstructured":"S.\u2005M. 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