Basf Se Corporation

Basf Aktiengesellschaft

Martin Schäfer

Joaquim Henrique Teles

Stefan Rittinger

Daniel Schneider

Klaus-Dieter Mohl

Michael Röper

Michael Slany

Donata Maria Fries

Thomas Schaub

Rocco Paciello

Peter Bassler

Gerd Kaibel

Peter Zehner

Kai Gumlich

Steffen Oehlenschläger

Jörn Karl

Jürgen Paschold

Michael Schulz

Michael Henningsen

Stephan Lamm

Christoph Adami

Edgar Zeller

Petra Deckert

Michael Nilles

Jochen Schäfer

Roland Merten

Karin Pickenäcker

Hans-Peter Schildberg

Stefan Berg

Tilo John

Bernhard Mohr

Uwe Emnet

Rüdiger Grob

Günther Grimm

Jochen SCHÄFER

Thomas Schraub

Process for obtaining formic acid by thermal separation of a stream comprising formic acid and a tertiary amine (I), in which, in step (a), a liquid stream comprising formic acid, methanol, water and tertiary amine (I) is produced by combining methyl formate, water and tertiary amine (I), from there in step (b), methanol is separated off and in step (c), formic acid is removed by distillation from the liquid stream obtained in a distillation apparatus, wherein, when methyl formate, water and tertiary amine (I) are combined, methyl formate, water and optionally tertiary amine (I) are first introduced in step (a1) in a molar ratio of 0&#x2266;n(amine to a1)/n(mefo to a1)&#x2266;0.1, and from 70 to 100% of the hydrolysis equilibrium possible is set and then, in step (a2), tertiary amine (I) is introduced in a molar ratio of 0.1&#x2266;n(amine to a2)/n(mefo to a1)&#x2266;2, and the mixture is reacted.

Process for preparing formic acid

Process for preparing methyl formate by carbonylation of methanol by means of carbon monoxide in a carbonylation reactor in the presence of a catalyst system comprising alkali metal formate and alkali metal alkoxide to give a reaction mixture (R) which comprises methyl formate, alkali metal formate, alkali metal alkoxide and possibly unreacted methanol and unreacted carbon monoxide and is taken from the carbonylation reactor, wherein the reaction mixture (R) comprises at least 0.5% by weight of alkali metal alkoxide based on the total weight of the reaction mixture (R) and the molar ratio of alkali metal formate to alkali metal alkoxide in the reaction mixture (R) is greater than 1.

Process for preparing methyl formate by reaction of methanol with carbon monoxide in the presence of a catalyst system comprising alkali metal formate and alkali metal alkoxide

Process for obtaining formic acid by thermal separation of a stream comprising formic acid and a tertiary amine (I), in which a liquid stream comprising formic acid and a tertiary amine (I) in a molar ratio of from 0.5 to 5 is produced by combining tertiary amine (I) and a formic acid source, from 10 to 100% by weight of the secondary components present therein are separated off and formic acid is removed by distillation in a distillation apparatus at a bottom temperature of from 100 to 300&#xb0; C. and a pressure of from 30 to 3000 hPa abs from the liquid stream obtained, the bottom discharge from the distillation apparatus being separated into two liquid phases and the upper liquid phase being recycled to the formic acid source and the lower liquid phase being recycled for separating off the secondary components and/or to the distillation apparatus.

Process for the preparation of formic acid

Process for obtaining formic acid by thermal separation of a stream comprising formic acid and a tertiary amine (I), in which a liquid stream comprising formic acid and tertiary amine (I) is produced by combining tertiary amine (I) and a formic acid source, secondary components comprised therein are separated off, formic acid is removed by distillation from the resulting liquid stream in a distillation apparatus, where the bottom output from the distillation apparatus is separated into two liquid phases, and the upper liquid phase is recirculated to the formic acid source and the lower liquid phase is recirculated to the separation of the secondary components and/or to the distillation apparatus, wherein low boilers are removed by distillation from the upper liquid phase and recirculated to the depleted stream.

A process for preparing formic acid by reaction of carbon dioxide () with hydrogen () in a hydrogenation reactor (I) in the presence of

Process for preparing formic acid by reaction of carbon dioxide with hydrogen

Process for obtaining formic acid by thermal separation of a stream comprising formic acid and a tertiary amine (I), in which a liquid stream comprising formic acid, tertiary amine (I) and water is produced by combining tertiary amine (I) and a formic acid source in the presence of water, water and organic decomposition products of the tertiary amine (I) are removed and formic acid is removed by distillation from the resulting liquid stream in a distillation apparatus, wherein the stream comprising water and organic decomposition products of the tertiary amine (I) which have been separated off is separated into two liquid phases, the upper liquid phase is removed and the lower, water-comprising liquid phase is recirculated to the formic acid source.

A process for preparing formic acid by reaction of carbon dioxide (1) with hydrogen (2) in a hydrogenation reactor (I) in the presence of

The invention relates to a process for the oxidation of organic compounds by means of oxygen, in which, in a first step, the organic compound and at least part of the oxygen required for the oxidation are introduced into a first reaction zone which is operated isothermally and with backmixing and, in a second step, the reaction mixture from the first reaction zone is introduced into a second reaction zone which is operated adiabatically. The invention further relates to a reactor for carrying out the process, which comprises at least one isothermal reaction zone () and an adiabatic reaction zone () which are arranged in a reactor shell (), with each isothermal reaction zone () being configured in the form of a jet loop reactor and the adiabatic reaction zone () being configured as a bubble column.

Process and device for the oxidation of organic compounds

The invention relates to a process for oxidizing at least one organic substance with oxygen, which comprises the following steps: The invention further relates to an apparatus for performing the process.

Process and apparatus for oxidizing organic compounds

A compound of formula (I) suitable as a catalyst or for the preparation of a catalyst system:L-X-L&#x2003;&#x2003;(I)is provided, in which X is a lower alkylene group, an arylene group or an alkarylene group; Lis in which Yis oxygen, sulfur or N&#x2014;R, R, R, R, R, R, Rand Rindependently of one another being hydrogen, alkyl or aryl; and Lis in which Yis oxygen, sulfur or N&#x2014;R, R, R, R, R, R, Rand Rindependently of one another being hydrogen, alkyl or aryl, it being possible for Land Lto be identical or different.

Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane

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

The invention relates to a catalyst system for carbonylating olefinically or acetylenically unsaturated compounds with carbon monoxide and a nucleophile compound, containing (a) palladium; (b) a phosphine and (c) a polymer containing nitrogen which is soluble in the reaction mixture, with the exception of polyvinyl polymers with aromatic radicals containing nitrogen on the polymer chain. The invention also relates to a method for carbonylation in the presence of one such catalyst system.

Catalyst system and method for carbonylation

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

Process for the carbonylation of n-pentenoic acid or its derivatives of the formula (I)CH&#x2014;R&#x2003;&#x2003;(I)where Ris &#x2014;CN or COORwhere Ris hydrogen, alkyl or aryl by reaction of a compound of the formula (I) with carbon monoxide and a compound (II) containing a hydroxyl group in the presence of a catalyst system, wherein the catalyst system is obtainable by reaction of

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Grünstadt, Germany

Martin Schäfer