Catalysis Communications p. 5 - 10 (2019)
Update date:2022-08-29
Topics:
Castille, Antonie
Bessette, Claudie
Thomas, Francois
Etemad, Mania
A new catalytic system for single-step alkane synthesis from furans and carboxylic acids was investigated using noble metals-supported red mud (RM) catalysts. Maximum alkane selectivities were 100%, 87%, and 56% over Pt/RM, Pd/RM, and Ru/RM respectively. Potassium doping prolonged the catalyst life by suppressing methanation reaction, decreased coking, and enhancing the stability of noble metals towards oxidation. Five functionalities were accomplished on the modified catalysts: partial reduction of propionic acid on noble metals; moderating coking reactions on K, suppressing methanation on K, ketonization of acid on RM, and condensation-hydrodeoxygenation reaction on RM. Magnetite played significant role in catalyzing ketonization reaction.
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