Process for the preparation of formic acid

Details Process for the preparation of formic acid Process for the preparation of formic acid

C - Chemistry, Metallurgy

07

C

260/528.6

C07C 51/15 (2006.01) C07C 51/02 (2006.01) C07C 53/02 (2006.01)

Patent

CA 1246606

ABSTRACT OF THE DISCLOSURE Process for the preparation of formic acid An integrated process for the production of formic acid from carbon dioxide and hydrogen is provided. The process comprises for example, a reactor in which the formate salt of a nitrogenous base is produced together with subsequent purification and formic acid recovery stages. In the process described formic acid is recovered from the formate salt by using a base interchange reaction in which there is generated a thermally decomposable formate salt of a high boiling base. The high boiling base can be for example an imidazole and the nitrogenous base can be triethylamine.

491706

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