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1. (WO2014202855) METHOD OF PRODUCING FORMIC ACID

Pub. No.:    WO/2014/202855    International Application No.:    PCT/FR2014/051238
Publication Date: Thu Dec 25 00:59:59 CET 2014 International Filing Date: Wed May 28 01:59:59 CEST 2014
IPC: C25B 3/04
C25B 11/03
C25B 15/08
Applicants: IFP ENERGIES NOUVELLES
Inventors: FISCHER, Beatrice
PASQUIER, David
FECANT, Antoine
Title: METHOD OF PRODUCING FORMIC ACID
Abstract:
The invention concerns a method of producing formic acid from carbon dioxide and water by electroreduction of the CO2 in the gaseous phase. The method uses electrochemical cells of which the cathode consists of a conductive porous solid and an active layer containing dispersed metal nanoparticles and catalysing the reaction selectively to formic acid. The resulting formic acid is then separated from the residual CO2 by crystallization, the CO2 being recycled to the electrochemical cell.