Patent
Alumina-based bodies obtained by agglomeration which are resistant to elevated temperatures
Max Michel,Regis Poisson +1 more
TLDR
Alumina-based bodies having resistance to temperatures of up to 1200°C prepared by autoclaving alumina and at least one additive from the group of oxides of lanthanum, neodymium, prasehodmium and thorium are useful in adsorption and catalysis.Abstract:
Alumina based bodies having resistance to temperatures of up to 1200° C prepared by autoclaving alumina and at least one additive from the group of oxides of lanthanum, neodymium, praseodymium and thorium. Bodies of the alumina of this invention are useful in adsorption and catalysis.read more
Citations
More filters
Patent
High temperature stable catalyst, process for preparing same and process for conducting chemical reaction using same
TL;DR: In this paper, the authors present a high temperature stable catalyst comprising an alumina base support and a catalytically active component supported on the support, which can be converted to lanthanoide β-alumina when heated to an elevated temperature above 1000°C.
Patent
Preparation of monolithic catalyst support structures having an integrated high surface area phase
TL;DR: In this paper, a method of forming a monolithic ceramic catalyst support with a high surface area phase of porous oxide embedded within the monolith structure is provided, where the porous oxide phase is incorporated into a sinterable ceramic structure as a discrete discontinuous phase.
Patent
High temperature stable catalyst and process for preparing same
TL;DR: In this paper, a high temperature stable catalyst comprising an alumina base support and a catalytically active component supported on the support is described, which can be converted to lanthanoide β-alumina within 2 hours.
Patent
SOX/NOX sorbent and process of use
TL;DR: An alumina sorbent capable of adsorbing NOx and SOx from waste gases and being regenerated by heating above 650° C is made by incorporating an alumina stabilizing agent into the sorbent as mentioned in this paper.
Patent
Alumina-based compositions and catalysts having high specific surface area
TL;DR: In this article, a pore volume of 1.2 cm3/g was defined for a mixture of rare earth or alkaline earth metal second element dispersed in an alumina matrix.
References
More filters
Patent
Exhaust gas catalyst support
TL;DR: In this article, a thermally stable and attrition resistant catalyst support consisting essentially of an alumina coating on an inert substrate is described, and the atom ratio of rare earth metal to aluminum in the support is 1:5.7-25.
Patent
Formed alumina bodies for catalytic uses
TL;DR: In this paper, the authors describe a shapeed, large-pored, high-porosity, and high-strength ALUMINA CATALYST BODY with a total porosity of at least 0.1.
Patent
Process for improving the active-alumina catalyst properties
TL;DR: In this article, a process for producing active aluminum with a surface area in the range of 50-200 m2/g where performed alumina gel bodies are shaped and dried and the shaped dried bodies are autoclaved at a temperature of more than 100* C in contact with vapors of an aqueous ammonia solution containing 0.5 to 20 percent by weight NH3 for a period of 2 to 12 hours.