Patent application number | Description | Published |
20080257150 | PROCESSES FOR THE ADSORPTIVE REMOVAL OF INORGANIC COMPONENTS FROM HYDROGEN CHLORIDE-CONTAINING GASES - Processes for removing inorganic impurities from HCl-containing gases, which processes comprise: providing a crude gas stream comprising hydrogen chloride and at least one inorganic component; introducing the crude gas stream into an adsorber bed; adsorbing at least a portion of the at least one inorganic component from the crude gas stream on the adsorber bed to form a purified HCl gas, and removing the purified HCl gas from the adsorber bed. | 10-23-2008 |
20080267849 | PROCESSES FOR THE OXIDATION OF CARBON MONOXIDE IN A GAS STREAM CONTAINING HCL - Processes comprising: providing a gas stream comprising hydrogen chloride and carbon monoxide; and oxidizing at least a portion of the carbon monoxide in the gas stream in the presence of a catalyst to form a product gas comprising hydrogen chloride and carbon dioxide; wherein the catalyst comprises tin dioxide and a ruthenium compound comprising at least one element selected from the group consisting of oxygen and chlorine. | 10-30-2008 |
20090304573 | PROCESSES AND APPARATUS FOR THE PRODUCTION OF CHLORINE BY GAS PHASE OXIDATION - The present invention provides a process for producing chlorine by the catalytic gas phase oxidation of hydrogen chloride with oxygen, wherein the reaction is performed on at least two catalyst beds under adiabatic conditions, as well as a reactor system for performing the process. | 12-10-2009 |
20100098616 | CATALYST AND PROCESS FOR PREPARING CHLORINE BY GAS PHASE OXIDATION - Catalyst compositions comprising a support material and a catalytically active material, wherein the support material comprises magnesium fluoride, and wherein the catalytically active material comprises a ruthenium-containing compound; and processes for preparing chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises magnesium fluoride and at least one ruthenium compound. | 04-22-2010 |
20100183498 | THERMALLY STABLE CATALYST FOR HYDROGEN CHLORIDE GAS PHASE OXIDATION - The present invention relates to a catalyst for oxidation reactions which comprises at least one constituent active in the catalysis of hydrogen chloride oxidation and support therefor, characterized in that the support is based on uranium oxide. The catalyst is notable for a high stability and activity. | 07-22-2010 |
20100189633 | METHOD FOR PRODUCING CHLORINE BY GAS PHASE OXIDATION - The present invention relates to a process for preparing chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, by reacting the process gas mixture in a reactor in at least two separate reaction zones under adiabatic conditions over catalyst beds, and by passing the process gas mixture leaving at least one reaction zone subsequently through a heat exchanger connected downstream of the particular reaction zone. It further relates to a reactor system for preparing chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen by means of the process according to the invention. | 07-29-2010 |
20100202959 | CATALYST AND PROCESS FOR PREPARING CHLORINE BY GAS PHASE OXIDATION OF HYDROGEN CHLORIDE - The present invention relates to a catalyst and to a process for preparing chlorine by catalytic oxidation of hydrogen chloride. The catalyst comprises an active component and a support material, said active component comprising at least uranium or a uranium compound. The catalyst is notable for a high stability and activity at a lower cost compared to the noble metals. | 08-12-2010 |
20100260660 | METHOD FOR PRODUCING CHLORINE BY MULTI STEP ADIABATIC GAS PHASE OXIDATION - The present invention relates to a process for preparing chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the reaction is carried out over 18 to 60 catalyst beds connected in series under adiabatic conditions, and to a reactor system for performing the process. | 10-14-2010 |
20110182801 | MULTI-STAGE METHOD FOR THE PRODUCTION OF CHLORINE - The present invention relates to a multistage process for preparing chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the conversion is performed over at least two different catalyst beds under adiabatic conditions, and to a reactor system for performing the process. | 07-28-2011 |
20120256121 | METHOD FOR PRODUCING GRAPHENE SOLUTIONS, GRAPHENE ALKALI METAL SALTS, AND GRAPHENE COMPOSITE MATERIALS - The present invention relates to a process for preparing graphene solutions by means of alkali metal salts, to graphene solutions, to processes for preparing graphene alkali metal salts, to graphene alkali metal salts and to graphene composite materials and to processes for producing the graphene composite materials. | 10-11-2012 |
20130039839 | PRODUCTION OF CARBON NANOTUBES - The invention relates to a novel process for the production of catalysts for the production of carbon nanotubes in agglomerated form, which are characterised by a low bulk density. This invention likewise provides the catalysts, their use in the production of carbon nanotubes in high catalyst-specific yields, and the carbon nanotubes produced by this process. | 02-14-2013 |
20130177494 | CATALYST AND METHOD FOR THE PRODUCTION OF CHLORINE BY GAS PHASE OXIDATION - The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises at least tin dioxide as a support material and at least one ruthenium-containing compound as a catalytically active material, and comprises, as an additional secondary constituent, a compound of an element or an element selected from the group of: Nb, V, Ta, Cr, Mo, Au, In, Sc, Y and lanthanoids, especially La and Ce. | 07-11-2013 |
20130216470 | CATALYST AND METHOD FOR THE PRODUCTION OF CHLORINE BY GAS PHASE OXIDATION - The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises calcined tin dioxide as a support and at least one halogen-containing ruthenium compound, and to the use thereof. | 08-22-2013 |
20140205533 | PROCESS FOR THE PRODUCTION OF CHLORINE USING A CERIUM OXIDE CATALYST IN AN ADIABATIC REACTION CASCADE - A process for the production of chlorine by thermo-catalytic gas phase oxidation of hydrogen chloride and oxygen is described, the process comprising at least (1) a cerium oxide catalyst and (2) an adiabatic reaction cascade, containing at least two adiabatic stages connected in series with intermediate cooling, wherein the molar O | 07-24-2014 |
20140241976 | PROCESS FOR THE PRODUCTION OF CHLORINE USING A CERIUM OXIDE CATALYST IN AN ISOTHERMIC REACTOR - A process for the production of chlorine by thermo-catalytic gas phase oxidation of hydrogen chloride gas with oxygen, in the presence of a catalyst, and separation of the chlorine from the reaction products comprising chlorine, hydrogen chloride, oxygen and water, characterized in that
| 08-28-2014 |