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Towards stable nick...
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Achour, Abdenour,1980Chalmers tekniska högskola,Chalmers University of Technology
(author)
Towards stable nickel catalysts for selective hydrogenation of biomass-based BHMF into THFDM
- Article/chapterEnglish2023
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Elsevier BV,2023
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LIBRIS-ID:oai:research.chalmers.se:d3285b31-ec60-4516-96c0-ed666967be77
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https://research.chalmers.se/publication/535030URI
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https://doi.org/10.1016/j.jece.2023.109461DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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Selective transformation of BHMF (2,5-bis(hydroxymethyl)furan) to THFDM (tetrahydrofuran-2,5-dimethanol) over a variety of structured Ni/Sx-Z1−x catalysts was investigated. The effects of support, Ni loading, solvent, temperature, pressure, and particle size on the conversion and selectivity were studied. Among them, the 10 wt% Ni catalyst supported on the SiO2:ZrO2 weight ratio of 90:10 (10NiS90Z10) exhibits the best performance in terms of BHMF conversion and THFDM selectivity. Its good performance was attributed to its well-balanced properties, that depend upon the ZrO2 content of the support in combination with SiO2, the active Ni sites-support interaction, and acidity/basicity ratio of each catalyst resulting in different Ni dispersions. Importantly, the 10NiS90Z10 catalyst showed a stable selectivity to THFDM (>94%), with 99.4% conversion of BHMF during 2 h reaction time. Poor catalytic activity resulted from excessive ZrO2 content (>10 wt%). The structural, textural, and acidity properties of NiSi100−y-Zry catalysts, tuned by selectively varying the Ni amount from 5 to 15 wt%, were critically investigated using numerous material characterization techniques. Catalyst recycling experiments revealed that the catalyst could be recycled several times without any measurable loss of catalytic activity.
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Ojagh, Houman,1976(Swepub:cth)ojagh
(author)
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Ho, Hoang Phuoc,1983Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)phuoc
(author)
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Creaser, Derek,1966Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)creaser
(author)
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Pajalic, Oleg,1964(Swepub:cth)pajalic
(author)
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Holmberg, Johan
(author)
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Olsson, Louise,1974Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)louisej
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
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In:Journal of Environmental Chemical Engineering: Elsevier BV11:22213-34372213-2929
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