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The hydrogenation of CO<jats:sub>2<\/jats:sub> to methanol is a possible approach for reducing this gas emissions by converting emitted CO<jats:sub>2<\/jats:sub> into a value\u2010added product. Therefore, the development of efficient catalysts for this reaction is fundamental. In this study, CuZn bimetallic catalysts supported on composites of AC\u2010Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> and CNT\u2010Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> were synthesized, and their catalytic performance was assessed. The catalytic experiments were conducted at 250\u00a0\u00b0C and 30\u00a0bar for 15\u00a0h, under a H<jats:sub>2<\/jats:sub>:CO<jats:sub>2<\/jats:sub> ratio of 3. The catalysts CuZn\/AC\u2010Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> (50:50) and CuZn\/AC\u2010Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> (70:30) demonstrated an overall improved catalytic performance when compared to the catalyst supported on pristine AC, indicating that the increased presence of mesopores and the synergistic effect between AC and Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> are beneficial. The catalyst CuZn\/CNT\u2010Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> (90:10) performed similarly to the catalyst supported on pristine CNT. CuZn\/CNT\u2010Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> (50:50) and CuZn\/CNT\u2010Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> (70:30) displayed reduced CO<jats:sub>2<\/jats:sub> conversion but enhanced methanol selectivity compared to the reference catalyst, CuZn\/Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub>, suggesting that the presence of CNT is advantageous for methanol selectivity. The catalyst CuZn\/CNT presented the highest methanol yield, and was stable for over 80\u00a0h on a TOS experiment.<\/jats:p>","DOI":"10.1002\/cctc.202500084","type":"journal-article","created":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T02:39:09Z","timestamp":1748399949000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Innovative Carbon\u2010Al<sub>2<\/sub>O<sub>3<\/sub> Composite Supports for Catalysts in CO<sub>2<\/sub>\u2010to\u2010Methanol Hydrogenation"],"prefix":"10.1002","volume":"17","author":[{"given":"Ana Rita","family":"Querido","sequence":"first","affiliation":[{"name":"Laboratory of Separation and Reaction Engineering, Laboratory of Catalysis and Materials, LSRE \u2013 LCM, Department of Chemical and Biological Engineering Faculty of Engineering of the University of Porto Rua Dr. Roberto Frias Porto 4200\u2013465 Portugal"},{"name":"Associate Laboratory in Chemical Engineering, ALiCE, Department of Chemical and Biological Engineering Faculty of Engineering of the University of Porto Rua Dr. Roberto Frias Porto 4200\u2013465 Portugal"}]},{"given":"M. Fernando R.","family":"Pereira","sequence":"additional","affiliation":[{"name":"Laboratory of Separation and Reaction Engineering, Laboratory of Catalysis and Materials, LSRE \u2013 LCM, Department of Chemical and Biological Engineering Faculty of Engineering of the University of Porto Rua Dr. Roberto Frias Porto 4200\u2013465 Portugal"},{"name":"Associate Laboratory in Chemical Engineering, ALiCE, Department of Chemical and Biological Engineering Faculty of Engineering of the University of Porto Rua Dr. Roberto Frias Porto 4200\u2013465 Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9015-1237","authenticated-orcid":false,"given":"O. 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