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dc.contributor.authorQiao, Xianliang
dc.contributor.authorShe, Tiantian
dc.contributor.authorZhang, Huiling
dc.contributor.authorWen, Xin
dc.contributor.authorNiu, Libo
dc.contributor.authorRicardez-Sandoval, Luis
dc.contributor.authorLi, Jingde
dc.contributor.authorBai, Guoyi 17:51:42 (GMT) 17:51:42 (GMT)
dc.descriptionThe final publication is available at Elsevier via © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
dc.description.abstractIn this work, we report a silica-supported ultrafine Ni catalyst for the selective hydrogenation of benzophenone. This material was developed by a facile one-pot co-assembly syntheses strategy, using Ni(II) chelated alginate hydrogel as metal precursor and sacrificial template. Due to the highly active and uniformly dispersed Ni nanoparticles (NPs), 99.8% of benzophenone conversion was achieved. Remarkably, it also reached a 97.7% of selectivity for benzhydrol during benzophenone hydrogenation. Temperature-programmed desorption of ammonia (NH3-TPD) and Density Functional Theory (DFT) results reveal that the in-situ generated sodium carbonate (Na2CO3) derived from sodium alginate is essential in tuning the selectivity of benzhydrol: the existence of Na2CO3 reduces the surface acidity of catalyst and promotes the desorption of intermediate benzhydrol, preventing its further hydrogenolysis on the surface acidic sites of catalyst. Moreover, the supported Ni catalyst shows no significant loss of its activity during 20 times of recycling.en
dc.description.sponsorshipThis work was supported by the National Natural Science Foundation of China (21676068 and 21376060), Natural Science Foundation of Hebei Province (B2019201341), hundred outstanding innovative personnel support plan of Hebei Universities (SLRC2017020), 333 talent project of Hebei Province (A2016005006), and Outstanding Young Talents Project of Hebei High Education Institutions (BJ2019013).en
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.subjectalginate hydrogelen
dc.subjectNi nanoparticlesen
dc.subjectbenzophenone hydrogenationen
dc.subjecthigh selectivityen
dc.titleOne-pot synthesis of porous silica-supported ultrafine Ni nanoparticles as efficient and stable catalyst for selective hydrogenation of benzophenoneen
dcterms.bibliographicCitationQiao X, She T, Zhang H, Wen X, Niu L, Ricardez-Sandoval L, Li J, Bai G, One-pot synthesis of porous silica-supported ultrafine Ni nanoparticles as efficient and stable catalyst for selective hydrogenation of benzophenone, Applied Catalysis B: Environmental (2019), doi:
uws.contributor.affiliation1Faculty of Engineeringen
uws.contributor.affiliation2Chemical Engineeringen

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