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Overall, catalysts were reduced at low temperatures and exhibited low metallic Ni dispersion, attributed to the low support surface area. Both Br\u00f8nsted and Lewis acid sites were detected in all the catalysts. Sulfate introduction into zirconia had a positive impact on xylitol conversion and diol selectivity. Ni\/SZx catalysts showed an improved propanediol selectivity than the Ni\/ZrO\n                    <jats:sub>2<\/jats:sub>\n                    catalyst. Ni\/SZ\u2010400 and Ni\/SZ\u2010700 were selective to 2\u2010propanol (21.7% and 41.6%, respectively). Ni\/SZ\u2010500 showed better selectivity to propanediols with 81.5% xylitol conversion during the 8\u2009h reaction. This performance was attributed to favorable metal\u2013support\u2010interactions, overall acidity and better intrinsic activity of the catalytic site for hydrogenation. Moreover, Ni\/SZ\u2010500 remains effective for about three reaction runs, after which its catalytic performance declines sharply. Prolonged reaction times were beneficial for the formation of 1,3\u2010propanediol and 1,3\u2010butanediol; however, they also led to increased formation of gaseous and lower alcohols.\n                  <\/jats:p>","DOI":"10.1002\/cplu.202500647","type":"journal-article","created":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T04:35:48Z","timestamp":1779683748000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Hydrogenolysis of Xylitol to Propanediols Over Nickel Catalysts Supported on Sulfated Zirconia: Controlling Intrinsic Activity via Metal Support Synergy"],"prefix":"10.1002","volume":"91","author":[{"given":"Talent","family":"Ngwenya","sequence":"first","affiliation":[{"name":"Discipline of Chemistry School of Agriculture and Science University of KwaZulu\u2010Natal  Durban South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4060-4023","authenticated-orcid":false,"given":"Ezra J.","family":"Olivier","sequence":"additional","affiliation":[{"name":"Centre for High Resolution Transmission Electron Microscopy Physics Department Nelson Mandela University  Gqeberha South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alisa","family":"Dorasamy","sequence":"additional","affiliation":[{"name":"Department of Chemistry Durban University of Technology  Durban South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7666-2543","authenticated-orcid":false,"given":"Mzamo L.","family":"Shozi","sequence":"additional","affiliation":[{"name":"Discipline of Chemistry School of Agriculture and Science University of KwaZulu\u2010Natal  Durban South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,5,24]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.3c00755"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.4c02791"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10562-023-04382-3"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1039\/C9RA10394E"},{"key":"e_1_2_12_6_1","first-page":"1","article-title":"Highly Selective Sorbitol Hydrogenolysis to Liquid Alkanes over Ni\/HZSM\u20105 Catalysts Modified with Pure Silica MCM\u201041","volume":"00","author":"Zhang Q.","year":"2012","journal-title":"ChemCatChem"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s43979-024-00090-y"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcat.2009.12.006"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cattod.2009.02.004"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apcata.2013.02.023"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/acssuschemeng.6b01675"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/cctc.201402141"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/cctc.201700034"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jechem.2018.01.021"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0926-3373(02)00277-1"},{"key":"e_1_2_12_16_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.5b01324"},{"key":"e_1_2_12_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/sc400189d"},{"key":"e_1_2_12_18_1","doi-asserted-by":"publisher","DOI":"10.1039\/c2gc00026a"},{"key":"e_1_2_12_19_1","doi-asserted-by":"publisher","DOI":"10.1039\/c3gc41492b"},{"key":"e_1_2_12_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.molcata.2014.10.025"},{"key":"e_1_2_12_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jece.2020.104205"},{"key":"e_1_2_12_22_1","doi-asserted-by":"publisher","DOI":"10.1023\/B:CATL.0000014342.63805.74"},{"key":"e_1_2_12_23_1","doi-asserted-by":"publisher","DOI":"10.1039\/C39800000851"},{"key":"e_1_2_12_24_1","doi-asserted-by":"publisher","DOI":"10.4236\/jmmce.2020.83005"},{"key":"e_1_2_12_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apsusc.2016.04.043"},{"key":"e_1_2_12_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apcata.2018.12.012"},{"issue":"12","key":"e_1_2_12_27_1","first-page":"1309","article-title":"Characterizatio of Zirconium Sulfate Supported on Zirconia and Activity for Acid Catalysts","volume":"22","author":"Sohn J. 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