摘要:
Catalyst for oxidation reactions which comprises at least one constituent active in the catalysis of hydrogen chloride oxidation and support therefor, which support is based on uranium oxide. The catalyst is notable for a high stability and activity.
摘要:
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.
摘要:
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.
摘要:
The present invention relates to a novel uranium catalyst on a support of particular pore size distribution, to a process for preparation thereof, and to the use thereof in the course of processes for preparing chlorine from hydrogen chloride.
摘要:
The invention relates to a process for preparing chlorine in three process steps, wherein a catalytic oxidation of hydrogen chloride to chlorine over a uranium oxide catalyst is performed in a first process step, the chlorine formed is at least partly removed in a second step, and an electrochemical oxidation of hydrogen chloride to chlorine is performed in a third process step.
摘要:
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.
摘要:
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.
摘要:
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 O2/HCl-ratio is equal or above 0.75 in any part of the cerium oxide catalyst beds.
摘要:
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.
摘要:
The present invention relates to composites having graphene layers and also processes for producing these composites. The invention further relates to a process for producing graphene layers using the composites of the invention.