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Screening of active solid catalysts for esterification of tall oil fatty acids with methanol
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
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2017 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 155, no 1, 34-38 p.Article in journal (Refereed) Published
Abstract [en]

The paper is focused on the description of the activity/selectivity of mesoporous silica based materials loaded with various types of active species in the esterification of tall oil free fatty acids. The metals such as aluminium, molybdenum, gallium and zinc, including their combinations were impregnated on the mesoporous silica, which was tested in esterification reaction. All these catalysts preserved its tall oil free fatty conversion in the first and the second catalytic cycles. However, while only insignificant amount of gallium or molybdenum was lost from the solid catalyst into the liquid phases, zinc leached from every studied solid catalyst. In contrast to impregnated gallium on mesoporous silica, which exhibited higher acidity and higher tall oil free fatty acids conversion in the first catalytic cycle, but its value was not preserved in the second catalytic test.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 155, no 1, 34-38 p.
Keyword [en]
Esterification, Biodiesel, TOFA, Mixed oxides, SBA-15, Al-SBA-15
National Category
Chemical Process Engineering Biocatalysis and Enzyme Technology
Identifiers
URN: urn:nbn:se:umu:diva-128682DOI: 10.1016/j.jclepro.2016.09.174ISI: 000401887700005Scopus ID: 2-s2.0-85008674705OAI: oai:DiVA.org:umu-128682DiVA: diva2:1055367
Available from: 2016-12-12 Created: 2016-12-12 Last updated: 2017-06-29Bibliographically approved

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Samikannu, AjaikumarBourajoini, HasnaPham, Tung NgocMikkola, Jyri-Pekka
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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