{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,14]],"date-time":"2026-01-14T15:47:23Z","timestamp":1768405643144,"version":"3.49.0"},"reference-count":34,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2024,4,23]],"date-time":"2024-04-23T00:00:00Z","timestamp":1713830400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"LAQV\/REQUIMTE","award":["UIDP\/50006\/2020 DOI 10.54499\/UIDP\/50006\/2020"],"award-info":[{"award-number":["UIDP\/50006\/2020 DOI 10.54499\/UIDP\/50006\/2020"]}]},{"name":"LAQV\/REQUIMTE","award":["LA\/P\/0008\/2020 DOI 10.54499\/LA\/P\/0008\/2020"],"award-info":[{"award-number":["LA\/P\/0008\/2020 DOI 10.54499\/LA\/P\/0008\/2020"]}]},{"name":"LAQV\/REQUIMTE","award":["UIDB\/50006\/2020 DOI 10.54499\/UIDB\/50006\/2020"],"award-info":[{"award-number":["UIDB\/50006\/2020 DOI 10.54499\/UIDB\/50006\/2020"]}]},{"name":"LAQV\/REQUIMTE","award":["UIDB\/50011\/2020"],"award-info":[{"award-number":["UIDB\/50011\/2020"]}]},{"name":"LAQV\/REQUIMTE","award":["UIDP\/50011\/2020"],"award-info":[{"award-number":["UIDP\/50011\/2020"]}]},{"name":"LAQV\/REQUIMTE","award":["LA\/P\/0006\/2020"],"award-info":[{"award-number":["LA\/P\/0006\/2020"]}]},{"name":"CICECO-Aveiro Institute of Materials","award":["UIDP\/50006\/2020 DOI 10.54499\/UIDP\/50006\/2020"],"award-info":[{"award-number":["UIDP\/50006\/2020 DOI 10.54499\/UIDP\/50006\/2020"]}]},{"name":"CICECO-Aveiro Institute of Materials","award":["LA\/P\/0008\/2020 DOI 10.54499\/LA\/P\/0008\/2020"],"award-info":[{"award-number":["LA\/P\/0008\/2020 DOI 10.54499\/LA\/P\/0008\/2020"]}]},{"name":"CICECO-Aveiro Institute of Materials","award":["UIDB\/50006\/2020 DOI 10.54499\/UIDB\/50006\/2020"],"award-info":[{"award-number":["UIDB\/50006\/2020 DOI 10.54499\/UIDB\/50006\/2020"]}]},{"name":"CICECO-Aveiro Institute of Materials","award":["UIDB\/50011\/2020"],"award-info":[{"award-number":["UIDB\/50011\/2020"]}]},{"name":"CICECO-Aveiro Institute of Materials","award":["UIDP\/50011\/2020"],"award-info":[{"award-number":["UIDP\/50011\/2020"]}]},{"name":"CICECO-Aveiro Institute of Materials","award":["LA\/P\/0006\/2020"],"award-info":[{"award-number":["LA\/P\/0006\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>The composites of heteropolyacids (H3PW12, H3PMo12) incorporated into amine-functionalized silica materials were used for the first time as heterogeneous catalysts in the valorization of glycerol (a major waste from the biodiesel industry) through acetalization reaction with acetone. The polyoxotungstate catalyst H3PW12@AptesSBA-15 exhibited higher catalytic efficiency than the phosphomolybdate, achieving 97% conversion and 97% of solketal selectivity, after 60 min at 25 \u00b0C, or 91% glycerol conversion and the same selectivity, after 5 min, performing the reaction at 60 \u00b0C. A correlation between catalytic performance and catalyst acidity is presented here. Furthermore, the stability of the solid catalyst was investigated and discussed.<\/jats:p>","DOI":"10.3390\/nano14090733","type":"journal-article","created":{"date-parts":[[2024,4,23]],"date-time":"2024-04-23T05:28:06Z","timestamp":1713850086000},"page":"733","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Heteropolyacids@Silica Heterogeneous Catalysts to Produce Solketal from Glycerol Acetalization"],"prefix":"10.3390","volume":"14","author":[{"given":"Catarina N.","family":"Dias","sequence":"first","affiliation":[{"name":"LAQV\/REQUIMTE\u2014Laborat\u00f3rio Associado para a Qu\u00edmica Verde e Departamento de Qu\u00edmica e Bioqu\u00edmica & Faculdade de Ci\u00eancias, Universidade do Porto, 4169-007 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8607-4323","authenticated-orcid":false,"given":"Isabel C. M. S.","family":"Santos-Vieira","sequence":"additional","affiliation":[{"name":"CICECO\u2014Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3708-9366","authenticated-orcid":false,"given":"Carlos R.","family":"Gomes","sequence":"additional","affiliation":[{"name":"CIIMAR\u2014Centro Interdisciplinar de Investiga\u00e7\u00e3o Marinha e Ambiental & Faculdade de Ci\u00eancias, Universidade do Porto, 4169-007 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1952-8214","authenticated-orcid":false,"given":"F\u00e1tima","family":"Mirante","sequence":"additional","affiliation":[{"name":"LAQV\/REQUIMTE\u2014Laborat\u00f3rio Associado para a Qu\u00edmica Verde e Departamento de Qu\u00edmica e Bioqu\u00edmica & Faculdade de Ci\u00eancias, Universidade do Porto, 4169-007 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8984-0473","authenticated-orcid":false,"given":"Salete S.","family":"Balula","sequence":"additional","affiliation":[{"name":"LAQV\/REQUIMTE\u2014Laborat\u00f3rio Associado para a Qu\u00edmica Verde e Departamento de Qu\u00edmica e Bioqu\u00edmica & Faculdade de Ci\u00eancias, Universidade do Porto, 4169-007 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"286","DOI":"10.3390\/suschem2020017","article-title":"Continuous Valorization of Glycerol into Solketal: Recent Advances on Catalysts, Processes, and Industrial Perspectives","volume":"2","author":"Faria","year":"2021","journal-title":"Sustain. 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