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Influence of the formation of short-chain olefins by manganese/cobalt-catalyzed Fischer–Tropsch synthesis on the selectivity and effective reaction rate

Title data

Schröder, Dominik ; Thiessen, Johannes ; Jess, Andreas ; Scholz, Judith:
Influence of the formation of short-chain olefins by manganese/cobalt-catalyzed Fischer–Tropsch synthesis on the selectivity and effective reaction rate.
In: Catalysis Science & Technology. Vol. 10 (2020) Issue 2 . - pp. 475-483.
ISSN 2044-4761
DOI: https://doi.org/10.1039/C9CY02022E

Abstract in another language

The Fischer–Tropsch synthesis (FTS) offers a wide ranging distribution of hydrocarbons. For cobalt catalysts with manganese as a promoter, a high selectivity to olefins is found for the low-temperature FTS. In this work, Mn–Co catalysts on SiO2 as support were tested. For small catalyst particles (≤150 μm), a high selectivity towards C3–C8 olefins with an SC3−C8,ole = 38 was obtained. For larger particles (diameters of up to 1.6 mm), an unexpected higher reaction rate, a higher chain growth probability, and a decrease in olefin selectivity (SC3−C8,ole = 7) were observed. These effects can be explained by secondary reactions of the olefins combined with the influence of pore diffusion.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Chemical Engineering
Faculties > Faculty of Engineering Science > Chair Chemical Engineering > Chair Chemical Engineering - Univ.-Prof. Dr.-Ing. Andreas Jess
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering
600 Technology, medicine, applied sciences > 660 Chemical engineering
Date Deposited: 19 Mar 2020 08:32
Last Modified: 19 Mar 2020 08:32
URI: https://eref.uni-bayreuth.de/id/eprint/54643