摘要 |
<p>The invention relates to a method for producing formic acid by reacting carbon dioxide (1) with hydrogen (2) in a hydrating reactor (I) in the presence of a catalyst comprising an element from the 8th, 9th, or 10th group of the periodic system; a tertiary amine containing at least twelve carbon atoms per molecule; and a polar solvent comprising one or more monoalcohols selected from methanol, ethanol, propanols, and butanols, forming formic acid / amine adducts as intermediate products, which are subsequently thermally split, wherein a tertiary amine having a boiling point at least 5°C higher than formic acid is used, and wherein a reaction mixture comprising the polar solvent, the formic acid / amine adducts, the tertiary amine, and the catalyst forms from the reaction in the hydrating reactor (I) and is discharged as a discharge (3) from the reactor.</p> |
申请人 |
BASF SE |
发明人 |
SCHAUB, THOMAS;FRIES, DONATA MARIA;PACIELLO, ROCCO;MOHL, KLAUS-DIETER;SCHAFER, MARTIN;RITTINGER, STEFAN;DECKERT, PETRA;BASSLER, PETER |