14C-Labeled Alcohol Tracer Study: Comparison of Reactivity of Alcohols over Cobalt and Ruthenium Fischer–Tropsch Catalysts

Autor: Wilson D. Shafer, Arno de Klerk, Muthu Kumaran Gnanamani, Debanjan Chakrabarti, Robert A. Keogh, Burtron H. Davis, Dennis E. Sparks, Venkat Ramana Rao Pendyala
Rok vydání: 2015
Předmět:
Zdroj: Topics in Catalysis. 58:343-349
ISSN: 1572-9028
1022-5528
Popis: The reactivity of 14C-labeled ethanol (CH 3 14 CH2OH) and 1-propanol (CH3CH 2 14 CH2OH) added during Fischer–Tropsch synthesis (FTS) was studied in a continuous-flow well-stirred reactor operated at 220 °C and 18.7 atm using a supported cobalt or ruthenium catalyst. The added labeled alcohols are mostly found in the product gas and water phase (≥99 %) without being involved in any reaction over both fcc and hcp metallic cobalt. The data indicate that C–O bond of ethanol and 1-propanol remains mostly stable on cobalt under FTS conditions. However, 1-propanol is likely to be involved in a chain initiation after decarbonylation apart from being degraded into methanol on ruthenium.
Databáze: OpenAIRE