Homogeneous hydrogenation of saturated bicarbonate slurry to formates using multiphase catalysis
Christophe Rebreyend (TU Delft - Applied Sciences)
Evgeny A. Pidko (TU Delft - ChemE/Algemeen, TU Delft - Applied Sciences)
Georgy A. Filonenko (TU Delft - Applied Sciences)
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Abstract
Formic acid and formate salts are key intermediates along the pathways for CO2utilization and hydrogen storage. Herein we report a highly efficient multiphase catalytic system utilizing a ruthenium PNP pincer catalyst for converting supersaturated bicarbonate solutions and slurries to aqueous formate solutions up to 12 M in molarity. The biphasic catalytic system delivers turnover frequencies up to 73 000 h−1and remains stable for up to 474 000 turnovers once reaction conditions are optimized.
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