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Catalytic Hydrogenation of d-Xylose Over Ru Decorated Carbon Foam Catalyst in a SpinChem® Rotating Bed Reactor
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
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2016 (English)In: Topics in catalysis, ISSN 1022-5528, E-ISSN 1572-9028, 1-13 p.Article in journal (Refereed) PublishedText
Abstract [en]

In this work the activity of ruthenium decorated carbon foam (Ru/CF) catalyst was studied in three phase hydrogenation reaction of d-xylose to d-xylitol. The developed catalyst was characterized by using scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, inductively coupled plasma optical emission spectrometry and nitrogen adsorption–desorption measurement. Kinetic measurements were carried out in a laboratory scale pressurized reactor (Parr®) assisted by SpinChem® rotating bed reactor (SRBR), at pre-defined conditions (40–60 bar H2 and 100–120 °C). The study on the influence of reaction conditions showed that the conversion rate and selectivity of hydrogenation reaction of d-xylose was significantly affected by temperature. These results have been proved by a competitive kinetics model which was found to describe the behavior of the novel system (Ru/CF catalyst used together with the SRBR) very well. Besides, it was revealed that the catalytic activity as well as the stability of our Ru/CF-SRBR is comparable with the commercial ruthenium decorated carbon catalyst (Ru/AC) under identical reaction conditions. Moreover, all steps from catalyst preparation and catalyst recycling as well as catalytic testing can be performed in an easy, fast and elegant manner without any loss of materials. Briefly, the developed Ru/CF catalyst used together with the SRBR could be used an excellent alternative for the conventional Raney nickel catalyst in a slurry batch reactor and offers an attractive concept with obvious industrial applicability.

Place, publisher, year, edition, pages
Springer, 2016. 1-13 p.
Keyword [en]
d-xylose d-xylitol Ruthenium Carbon foam SpinChem Rotating bed reactor
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-122090DOI: 10.1007/s11244-016-0637-4OAI: oai:DiVA.org:umu-122090DiVA: diva2:937217
Available from: 2016-06-15 Created: 2016-06-15 Last updated: 2016-06-15

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Publisher's full texthttp://dx.doi.org/10.1007/s11244-016-0637-4

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Pham, Tung NgocSamikannu, AjaikumarMikkola, Jyri-Pekka
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ReferencesLink to record
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