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Hydrogenolysis of lignin over Ru-based catalysts: the role of the ruthenium in a lignin fragmentation process
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2018 (English)In: Molecular Catalysis, ISSN 2468-8231, Vol. 450, p. 65-76Article in journal (Refereed) Published
Abstract [en]

The catalytic performances of two different classes of catalysts containing nickel or/and ruthenium as the active sites were studied in the depolymerisation of lignin isolated from Miscanthus×giganteus. The catalysts were prepared either by coprecipitation (ie, (RuNiMgAlO)x, (RuNiAlO)x, (NiAlO)x, (NiMgAlO)x) or by wet impregnation (ie, Ru/Al2O3) and characterized by nitrogen physisorption (BET), XRD, XPS, NH3-TPD, Raman and H2-TPR techniques. The experimental results indicate that the presence of ruthenium led to dimers as dominant products.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 450, p. 65-76
Keywords [en]
lignin, hydrogenolysis, heterogeneous catalysts, Ru-based catalysts
National Category
Organic Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-146057DOI: 10.1016/j.mcat.2018.03.004ISI: 000431158400008OAI: oai:DiVA.org:umu-146057DiVA, id: diva2:1193870
Available from: 2018-03-28 Created: 2018-03-28 Last updated: 2018-06-09Bibliographically approved

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Samikannu, AjaikumarMikkola, Jyri Pekka

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