Basf Se Corporation

Other

Velocys Corp.

Torsten Mäurer

Tobias Rosendahl

Radwan Abdallah

Cornelia Katharina Dobner

Thorsten Johann

Georg Seeber

Joaquim Henrique Teles

Frank Rosowski

Michael Limbach

Christian Baltes

Andreas Lehr

Terry Joseph Mazanec

Laura J Silva

Gerhard Theis

Manuel Danz

Günter Wegner

Wolfgang Rohde

Ulrike Wegerle

Grigorios Kolios

Jürgen Zühlke

Johanna Wanka

Soumitra R Deshmukh

Norbert Güntherberg

Peter Resch

Dirk Grossschmidt

Igor Shishkov

Stefan Bauer

Isa Alexandra Queiroz Da Fonseca

Martin W Kraus

Thomas Geiger

Martin Kamasz

Achim Gritsch

Dieter Köffer

Soumitra Desmukh

Alfons Jochum

Siegbert Bouche

Dirk Hensel

Peter Löchner

Peter LÖCHER

The present invention relates to a porous inorganic body comprising pores A having a pore size Sin the range of from 0.005 to 20 micrometer and a total pore volume V, and comprising pores B having a pore size Sin the range of from more than 20 to 1000 micrometer and a total pore volume V, wherein the total pore volume of the pores having a pore size in the range of from 0.005 to 1000 micrometer is Vand wherein the ratio R=V/Vis in the range of from 0.3 to 0.7 as determined via mercury intrusion porosimetry.

Porous inorganic body

Process for producing a supported silver catalyst, which comprises (a) reacting oxalic acid with an alkali metal base in a solvent, preferably water, to the second equivalence point of oxalic acid to give alkali metal oxalate; (b) reacting the alkali metal oxalate obtained according to (a) with silver salt in a solvent, preferably water, to give silver oxalate; (c) forming a complexation of the silver oxalate obtained according to (b) with a diamine compound in a solvent, preferably water, to give a diamine-silver oxalate complex.

Process for producing a supported silver catalyst

The present invention relates to a catalyst for preparing alkylene oxides, which is a supported silver catalyst having a novel promoter combination. The present invention further relates to a process for producing the catalyst and the use of the catalyst for the oxidation of alkylenes to alkylene oxides. In addition, the present invention relates to a process for preparing ethylene oxide from ethylene, which comprises the oxidation of ethylene in the presence of the stated catalyst.

Catalyst for the epoxidation of alkenes

This invention relates to a process, comprising reacting ethylene and oxygen or a source of oxygen in the presence of a catalyst in a reactor to form a product comprising ethylene oxide, wherein the catalyst contains silver or silver compound and a support and the catalyst is in the form of particulate solids having a mean particle diameter from 1 to 1000 &#x3bc;m and wherein the molar ratio of oxygen to ethylene is from 1:4 to 10:1.

Process for making ethylene oxide

The present invention relates to a shaped catalyst body for preparing ethylene oxide, which comprises at least silver and rhenium applied to an alumina support, and also to a process for producing it, wherein the alumina support has the geometry of a hollow cylinder and the shaped catalyst body has a rhenium content Cand C/ppm by weight, based on the wall thickness of the hollow cylinder din mm, and calculated as element, in the range 120&#x2266;C/d&#x2266;200.

Process for producing a catalyst for the oxidation of ethylene to ethylene oxide

The use of a supported noble metal catalyst obtainable by applying a sparingly soluble noble metal compound to a support from solution or suspension, and subsequently treating thermally, for preparing olefinically unsaturated carbonyl compounds.

Use of a supported catalyst containing precious metal for oxidative dehydrogenation

A method of production of a catalyst that has 0.05-0.25 wt. % of precious metal, preferably for the oxidative dehydrogenation of olefinically unsaturated alcohols, comprising the following steps

Precious metal catalysts with low metal loading for oxidative dehydrogenations

The invention relates to a process for producing a catalyst for the oxidation of ethylene to ethylene oxide, which comprises a) providing a support which comprises alumina and has been impregnated with silver or with a silver-comprising compound and has a temperature T; and b) heating the impregnated support from the temperature Tto a temperature Tat a heating rate of at least 30 K/min, and also the catalyst itself which can be obtained by this process.

Supported noble metal-comprising catalysts which can be obtained by

Supported noble metal comprising catalyst for oxidative dehydrogenation or epoxidation

The present invention relates to a process for preparing ethylene oxide by reaction of ethylene with oxygen in the presence of at least one silver-comprising catalyst, wherein the reaction takes place in a reactor which has a catalyst packed bed having at least two zones (i) and (ii) and the silver content of the catalyst in zone (i) is lower than the silver content of the catalyst in zone (ii). The catalyst packed bed preferably has a further zone (a) with which the reaction mixture comes into contact before the zones (i) and (ii). According to the invention, the silver content of the catalyst in the zone (a) is higher than the silver content of the catalyst in zone (i).

Use of structured catalyst beds for preparing ethylene oxide

In a process for producing C-Caldehydes by oxidative dehydrogenation of C-Calcohols over a shaped catalyst body obtainable by three-dimensional shaping and/or arranging in space of silver-containing fibers and/or threads, the average diameter or the average diagonal length of an essentially rectangular or square cross section of these silver-containing fibers and/or threads is in the range from 30 &#x3bc;m to 200 &#x3bc;m.

Oxidative dehydrogenation of methanol to formaldehyde over silver-containing knits

A process for isomerizing olefinically unsaturated alcohols over supported noble metal catalysts with a support based on carbon in an oxygenous atmosphere.

Method for isomerizing olefinically unsaturated alcohols

This invention relates to a process comprising reacting ethylene and oxygen or a source of oxygen in a process microchannel in the presence of a catalyst to form a product comprising ethylene oxide.

Process for making ethylene oxide using microchannel process technology

A process for preparing olefinically unsaturated carbonyl compounds by oxidative dehydrogenation in an oxygenous atmosphere over a supported catalyst which comprises gold and optionally further noble metals at temperatures in the range from 50 to 240&#xb0; C.

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Lambsheim, Germany

Torsten Mäurer