Basf Aktiengesellschaft

Jörn Karl

Christoph Adami

Michael Röper

Michael Slany

Martin Schäfer

Alexander Hauk

Jörg Pastre

Ralf Böhling

Robert Lenz

Gerd Kaibel

Peter Zehner

The invention relates to a method for producing formic acid formates, whereby (a) formic acid methyl ester is partially hydrolysed with water; (b) formic acid methyl ester and methanol are separated by distillation from the reaction mixture obtained in step (a), forming a current containing formic acid and water; (c) the current obtained in step (b), containing the formic acid methyl ester and optionally methanol, is converted into a current containing formate and water, by (i) reaction with a basic compound having a pKvalue of the corresponding acid of the corresponding dissociation step of =3, measured at 25&#xb0; C. in an aqueous solution, in presence of water, and (ii) separation by distillation of the methanol; and (d) the current obtained in step (b), containing formic acid and water, and the current obtained in step (c), containing formate and water, are combined to form a mixture containing the formic acid formate and water. The invention also relates to a device for producing said formic acid formates and to the use of the same.

Method and device for producing formic acid formates and use of said formates

A process for preparing acid formates which comprises

Method and device for producing formates and the use thereof

The invention relates to a process for the preparation of methyl formate by reacting methanol with carbon monoxide at a pressure of from 0.5 to 10 MPa abs. and a temperature of from 50 to 150&#xb0; C. in the presence of a metal alkoxide as catalyst in a reactor, in which a gas stream is withdrawn from the reactor, entrained methyl formate is removed from this gas stream by condensation, and all or some of the remaining gas stream is returned to the reactor as circulating-gas stream and a mean gas superficial velocity of from 1 to 20 cm/s is set in at least one region of the reactor in which the gas flows essentially in one direction.

Method for producing methyl formate

A process is described for preparing acid formates in which methyl formate is reacted with water and a basic compound having a pKof the conjugate acid of the corresponding dissociation state of &#x2267;3 measured at 25&#xb0; C. in aqueous solution, the methanol formed is separated off and, optionally, the desired acid content is set by adding formic acid.

Preparation for production of formic acid formates

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Mannheim, Germany

Jörn Karl