Basf Se Corporation

Other

Basf Aktiengesellschaft

Stephan Hatscher

Michael Hesse

Heiko Urtel

Lothar Karrer

Guido Henze

Rolf Pinkos

Stephan Schlitter

Tobias Wabnitz

Ulrich Mueller

Ulrich Müller

David J Artrip

Markus Schubert

Marco Bosch

Markus Hoelzle

Markus Hölzle

Stefan Käshammer

Alexander Schäfer

Michael Triller

Thorsten Von Fehren

The invention relates to a process for the regeneration of a copper-, zinc- and zirconium oxide-comprising adsorption composition after use thereof for the adsorptive removal of carbon monoxide from substance streams comprising carbon monoxide and at least one olefin, in which the adsorption composition is heated to a temperature in the range from 160 to 400&#xb0; C. and a regeneration gas is passed through the adsorption composition, wherein the regeneration gas comprises 1000 to 3000 ppm of oxygen in an inert carrier gas.

Process for the regeneration of a copper, zinc and zirconium oxide-comprising adsorption composition

Chromium-free catalyst for the low-temperature conversion of carbon monoxide and water into hydrogen and carbon dioxide, which comprises a mixed oxide comprising at least copper oxide, zinc oxide and aluminum oxide, with the catalyst precursor being present essentially as hydrotalcite and the copper oxide content being not more than 20% by weight.

Catalyst for low-temperature conversion and process for the low-temperature conversion of carbon monoxide and water into carbon dioxide and hydrogen

The present invention relates to a highly active water gas shift catalyst and a process for producing it, and also a process for converting a gas mixture comprising at least carbon monoxide and water into hydrogen and carbon dioxide in a wide temperature range using this catalyst.

Highly active shift catalysts

A process for the activation of a copper, zinc and zirconium oxide-comprising adsorption composition for the adsorptive removal of carbon monoxide from substance streams comprising carbon monoxide and at least one olefin wherein: (i) in a first activation step an activation gas mixture comprising the olefin and an inert gas is passed through the adsorption composition; and (ii) in a second activation step the adsorption composition is heated to a temperature in the range from 180 to 300&#xb0; C. and an inert gas is passed through it, wherein the steps (i) and (ii) can each be performed several times.

Process for the activation of a copper-, zinc- and zirconium oxide-comprising adsorption composition

The invention relates to adsorbents for removing impurities from water-comprising gas streams, in particular for use in fuel cell systems, wherein the adsorbents comprise oxides of elements selected from the group consisting of Cu, Fe, Zn, Ni, Co, Mn, Mg, Ba, Zr, Ce, La or combinations of these elements, have a copper oxide content of at least 30% by weight and have pore volumes of less than 0.175 ml&#xb7;gfor pores having a radius of less than 20 nm.

Adsorbents for removing contaminants from gas flows containing water

Unsaturated hydrocarbons are hydrogenated over catalysts which comprise copper and zinc and whose active composition, in unreduced form, consists essentially of from 10 to 95% by weight of copper oxide, calculated as copper(II) oxide (CuO), from 5 to 90% by weight of zinc oxide (ZnO), optionally from 0.1 to 50% by weight of zirconium dioxide (ZrO) and optionally from 0.1% by weight to 50% by weight of AlO, the proportions by weight adding up to 100% by weight.

Process for hydrogenating unsaturated hydrocarbons in the presence of catalysts containing copper and zinc

The invention relates to a process for the activation of a copper, zinc and zirconium oxide-comprising adsorption composition for the adsorptive removal of carbon monoxide from substance streams comprising carbon monoxide and at least one olefin wherein

Method for removing contaminants from gas flows containing water

Carbon monoxide is removed from material streams by adsorption to an adsorption composition comprising oxides of copper, zinc and aluminum, the copper-comprising fraction of which has a degree of reduction, expressed as weight ratio of metallic copper to the sum of metallic copper and copper oxides, calculated as CuO, of at most 60%.

Adsorption composition and process for removing CO from material streams

The present invention relates to a process for preparing polytetrahydrofuran or tetrahydrofuran copolymers by polymerization of tetrahydrofuran in the presence of a telogen and/or a comonomer over a fixed bed of an acid catalyst, in which the temperature of the polymerization mixture increases in the direction of flow through the catalyst bed.

Method for the production of polytetrahydrofurane or tetrahydrofurane copolymers

Carbon monoxide is removed from streams by adsorption on an adsorption composition which comprises copper and zirconium oxides but no zinc oxide, which comprises from 70 to 99.8% by weight of copper oxide and from 0.2 to 30% by weight of zirconium oxide, based on the total amount of the adsorption composition.

Adsorption composition and method of removing CO from streams

The present invention provides a catalyst comprising a mixture of at least one acid-activated sheet silicate with a transition metal oxide of groups 8 and/or 9 of the Periodic Table of the Elements and also a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers, in which tetrahydrofuran is polymerized in the presence of at least one telogen and/or comonomer over such a catalyst.

Catalyst and process for the polymerization of cyclic ethers

Carbon monoxide is removed from streams by adsorption on an adsorption composition which comprises copper, zinc and zirconium oxides and whose copper-comprising component has a degree of reduction, expressed as weight ratio of metallic copper to the sum of metallic copper and copper oxides, calculated as CuO, of at least 45% and not more than 75%.

Growing community of inventors

Syke, Germany

Stephan Hatscher