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2012 | 10 | 6 | 1954-1962
Tytuł artykułu

Novel Cu and Cu2In/aluminosilicate type catalysts for the reduction of biomass-derived volatile fatty acids to alcohols

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This work relates to the consecutive reduction of short chain carboxylic acids (volatile fatty acids, VFAs) to alcohols as main products. Acetic acid (AA) was used as a reactant to model the VFAs that can be produced by either thermochemical or biological biomass degradation. The amorphised zeolite supported copper catalysts (Cu/SiAl), especially the In-modified CuIn/SiAl catalysts, showed high hydroconversion activity and selectivity for alcohol, ester and aldehyde. Catalysts containing dispersed copper particles in amorphous aluminosilicate were obtained by dehydrating and H2-reducing Cu-forms of low-silica synthetic zeolites (A, X, P). The activity of the highly destructed Cu-aluminosilicates was found to depend on the structure of the zeolite precursor. The formation of ethyl acetate could be suppressed by adding water to the AA feed and by modifying the catalyst, e.g. by In2O3 additive. In the catalysts modified by In2O3 additive formation of copper-indium alloy phase (Cu2In intermetallic compound) was detected resulting in a different selectivity than the one recorded for the Cu/SiAl. [...]
Wydawca
Czasopismo
Rocznik
Tom
10
Numer
6
Strony
1954-1962
Opis fizyczny
Daty
wydano
2012-12-01
online
2012-09-21
Twórcy
  • Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Science, Budapest, H-1025, Hungary , harnos.szabolcs@ttk.mta.hu
  • Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Science, Budapest, H-1025, Hungary
  • Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Science, Budapest, H-1025, Hungary
  • Department of Organic Technology, Slovak University of Technology, Bratislava, SK-81237, Slovak Republic
  • Department of Organic Technology, Slovak University of Technology, Bratislava, SK-81237, Slovak Republic
  • Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Science, Budapest, H-1025, Hungary
Bibliografia
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  • [15] Sz. Harnos, Gy. Onyestyák, J. Valyon, M. Hegedűs, Z. Károly, in: M. Derewinski, et al. (Eds.), Proc.10th Pannonian Int. Symp. Catal. Krakow (Polish Zeolite Association and Catalysis and Surface Chemistry, Kraków, 2010) 334
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-012-0121-3
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