Patent application number | Description | Published |
20080200739 | Catalyst For the Dehydrogenation or Hydrogenation of Hydrocarbons Containing Secondary Catalyst - Catalysts comprising: a ground, spent (de)hydrogenation catalyst material present in an amount of 10 to 70% by weight based on the catalyst, the ground, spent catalyst material comprising iron oxide; and a fresh catalyst material present in an amount of 30 to 90% by weight based on the catalyst, the fresh catalyst material comprising iron oxide, wherein at least a portion of the iron oxide in the fresh catalyst material comprises a phase selected from the group consisting of hematite, potassium ferrite, and mixtures thereof are described along with processes for preparing and using the same. | 08-21-2008 |
20080262281 | Catalyst Used for the Oxidation of Hydrogen, and Method for the Dehydrogenation of Hydrocarbons - A catalyst for the oxidation of hydrogen in a process for the dehydrogenation of hydrocarbons, wherein the catalyst comprises, supported on α-aluminum oxide, from 0.01 to 0.1% by weight of platinum and from 0.01 to 0.1% by weight of tin, based on the total weight of the catalyst, a process for the oxidation of hydrogen and a process for the dehydrogenation of hydrocarbons with an integrated oxidation process using the catalyst described. | 10-23-2008 |
20130108526 | METHOD FOR MATERIALS RECOVERY FROM CATALYSTS COMPRISING IRON, CERIUM, MOLYBDENUM, AND POTASSIUM | 05-02-2013 |
20130109563 | PREPARING CERIUM(III) COMPOUNDS | 05-02-2013 |
20140163288 | Catalyst and Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a catalyst which comprises a catalytically active multimetal oxide which comprises molybdenum and at least one further metal has the general formula (I) | 06-12-2014 |
20140163289 | Coated Catalyst for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a coated catalyst which comprises
| 06-12-2014 |
20140163290 | Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a process for the oxidative dehydrogenation of n-butenes to butadiene, which comprises two or more production steps (i) and at least one regeneration step (ii), in which
| 06-12-2014 |
20140163291 | Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a catalyst, in particular a coated catalyst, for the oxidative dehydrogenation of n-butenes to butadiene, its use and also a process for the oxidative dehydrogenation of n-butenes to butadiene. | 06-12-2014 |
20140163292 | Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a process for the oxidative dehydrogenation of n-butenes to butadiene, which comprises at least two production steps (i) and at least one regeneration step (ii), in which
| 06-12-2014 |
20140200380 | Process for Preparing 1,3-Butadiene from N-Butenes by Oxidative Dehydrogenation - The invention relates to a process for preparing butadiene from n-butenes, which comprises the steps:
| 07-17-2014 |
20140200381 | Process for Preparing Butadiene by Oxidative Dehydrogenation of N-Butenes with Monitoring of the Peroxide Content During Work-Up of the Product - The invention relates to a process for preparing butadiene from n-butenes, which comprises the following steps:
| 07-17-2014 |
20140221683 | PROCESS FOR PRODUCING A CATALYTICALLY ACTIVE COMPOSITION BEING A MIXTURE OF A MULTIELEMENT OXIDE COMPRISING THE ELEMENTS MO AND V AND AT LEAST ONE OXIDE OF MOLYBDENUM - A process for producing a catalytically active composition being a mixture of a multielement oxide comprising the elements Mo and V and at least one oxide of molybdenum, in which spray drying of an aqueous solution or of an aqueous suspension of starting compounds comprising the elements of the multielement oxide produces a spray powder P, a pulverulent oxide of molybdenum and optionally shaping assistants are added thereto, shaped bodies are shaped from the resulting mixture and these are converted to the catalytically active composition by thermal treatment. | 08-07-2014 |
20140343319 | PROCESS FOR PREPARING ACRYLIC ACID WITH HIGH SPACE-TIME YIELD - In a process for preparing acrylic acid, a reaction gas which comprises a gaseous formaldehyde source and gaseous acetic acid and in which the partial pressure of the formaldehyde source, calculated as formaldehyde equivalents, is at least 85 mbar and in which the molar ratio of the acetic acid to the formaldehyde source, calculated as formaldehyde equivalents, is at least 1 is contacted with a solid condensation catalyst. The space-time yield can be enhanced significantly by increasing the partial pressure of the reactants. The space-time yield remains high even after prolonged process duration. | 11-20-2014 |
20150080605 | CATALYST FOR PREPARATION OF AN UNSATURATED CARBOXYLIC ACID BY GAS PHASE OXIDATION OF AN UNSATURATED ALDEHYDE - What is described is a catalyst for preparation of an α,β-unsaturated carboxylic acid by gas phase oxidation of an α,β-unsaturated aldehyde, comprising a shaped support body with an active composition applied thereto, wherein the active composition coverage q | 03-19-2015 |