Abstract:
A process for making a ceramic catalyst material includes mixing a catalyst precursor material with a mineral particulate to form a mixture; adding a binder, silicon carbide, and a parting agent to the mixture to form unfired spheroids; and heating the unfired spheroids at a temperature effective to oxidize the silicon carbide and the catalyst precursor material to form the ceramic catalyst material. In another embodiment, the process includes the addition of a catalyst metal oxide salt to an aluminosilicate hydrogel aggregate mixture. Once the mixture sets, the set mixture is heated to a temperature to effective to produce a high surface area ceramic catalyst material.
Abstract:
A process for generating aqueous chlorine dioxide solutions includes adding a solid phase alkali metal chlorite, a solid phase acid, and a solid phase oxidizing agent to an aqueous solution, wherein the solid phase acid ahs a pKa less than 4. Also disclosed are compositions for producing chlorine dioxide solutions.
Abstract:
A catalyst element includes a rigid body comprising a plurality of tortuous flow paths, wherein the rigid body comprises a plurality of catalyst particles and a binder, wherein each one of the plurality of catalyst particles comprises a reactive species disposed onto a surface of a support. The catalyst element may be useful as a catalyst in a variety of chemical processes including hydrogenation, dehydrogenation, hydrogenolysis, oxidation, reduction, alkylation, dealkylation, carbonylation, decarbonylation, coupling, isomerization, amination, deamination, or hydrodehalogenation.
Abstract:
A system and process for oxidizing inorganic or organic species is disclosed. The system and process includes mixing a dilute aqueous alkali metal halite solution with a mixture of protic acids to produce an effluent containing a halous acid; and contacting the effluent containing the halous acid with a catalytic material to produce a halogen oxide.