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  • 1 Centro de Investigación y Desarrollo en Ciencias Aplicadas “Dr. Jorge J. Ronco”, CINDECA FCE (UNLP) CCT CONICET, 1900 La Plata-47 No. 257, La Plata, Argentina
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Abstract

Manganese and mixed vanadium oxides were prepared by the hydrolysis of acetylacetonates. They were characterized by different techniques, such as X-ray diffraction, XPS, temperature-programmed surface reaction (TPSR), and conversion and selectivity measurements. TPSR studies showed that H2O, CO2, and O2 are present in manganese oxide samples and that the ones containing vanadium desorb CO2, H2O, methanol, formaldehyde, O2. The vanadium-free catalysts and the ones with a lower vanadium content also exhibit high methanol conversion and selectivity to CO2 at higher temperatures. The selectivity to dimethyl ether is important in the catalyst without V at lower temperature. The greatest conversion at lower temperatures and the highest selectivities to CO2 are achieved with the catalysts having the highest vanadium content.

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  • Impact Factor (2019): 1.520
  • Scimago Journal Rank (2019): 0.345
  • SJR Hirsch-Index (2019): 39
  • SJR Quartile Score (2019): Q3 Physical and Theoretical Chemistry
  • SJR Quartile Score (2019): Q4 Catalysis
  • Impact Factor (2018): 1.142
  • Scimago Journal Rank (2018): 0.374
  • SJR Hirsch-Index (2018): 37
  • SJR Quartile Score (2018): Q3 Physical and Theoretical Chemistry
  • SJR Quartile Score (2018): Q3 Catalysis

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Reaction Kinetics, Mechanisms and Catalysis
Language English
Size B5
Year of
Foundation
1974
Volumes
per Year
3
Issues
per Year
6
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1878-5190 (Print)
ISSN 1878-5204 (Online)