Patent classifications
B01J37/023
PROCESS FOR PREPARING A CATALYST OR A TRAPPING MASS FROM MOLTEN SALTS
Process for preparing a catalyst or a trapping mass comprising the following steps: bringing a porous oxide support into contact with a metal salt comprising at least one metal belonging to groups VIB, VIIB, VIIIB, IB or IIB, of which the melting point of said metal salt is between 20 C. and 150 C., for a period of between 5 minutes and 5 hours in order to form a solid mixture, the weight ratio of said metal salt to said porous oxide support being between 0.1 and 1; heating the solid mixture with stirring at a temperature between the melting point of said metal salt and 200 C. and for 5 minutes to 12 hours; calcining the solid obtained in the preceding step at a temperature above 200 C. and below or equal to 1100 C. under an inert atmosphere or under an oxygen-containing atmosphere.
Low cost oxidation catalysts for VOC and halogenated VOC emission control
The current embodiments relate to ruthenium-containing supported catalysts, including processes for their manufacture and use, which destroy, through catalytic oxidation, hazardous compounds contained in chemical industrial emissions and otherwise produced from industrial processes.
Formed body and method for producing the same, α-olefin dimerization catalyst, and method for producing α-olefin dimer
Provided is a formed body containing at least one carbonate compound (A1) selected from Na.sub.2CO.sub.3 or K.sub.2CO.sub.3, the formed body having a volume of pores with a pore diameter of from 0.05 m to 10 m of from 0.10 mL/g to 0.30 mL/g and a crushing strength of from 1.8 kgf to 10.0 kgf.
PROCESS FOR PREPARING PROTECTED RESIN CATALYSTS
The invention is in the field of catalysis. More specifically, the invention relates to a process for preparing a protected metal catalyst on a support; a matrix particle comprising the protected metal catalyst; and, a process for hydrogenating a hydrocarbon resin feedstock using the protected metal catalyst.
METHOD OF MANUFACTURING HONEYCOMB METAL STRUCTURE BY USING ALUMINUM POWDER, AND METAL CATALYST MODULE INCLUDING THE HONEYCOMB METAL STRUCTURE
Provided are a method of manufacturing a honeycomb metal structure by using aluminum (Al) powder and a metal catalyst module including the honeycomb metal structure. The method includes preparing a honeycomb structure including at least one substrate including iron (Fe), coating at least a part of the substrate with a viscid material whose viscosity is increased by moisture, attaching metal powder onto the viscid material, adhering the metal powder to the substrate by supplying the moisture to the viscid material, and generating an uneven structure made of the metal powder bonded to the substrate, by performing heat treatment of the substrate onto which the metal powder is adhered.
ALKYLATION CATALYST
Catalyst compositions with improved alkylation activity and corresponding methods for making such catalyst compositions are provided. The catalyst(s) correspond to solid acid catalysts formed by exposing a catalyst precursor with a zeolitic framework structure to a molten metal salt that includes fluorine, such as a molten metal fluoride. The resulting fluorinated solid acid catalysts can have improved alkylation activity while having a reduced or minimized amount of structural change due to the exposure to the molten metal fluoride. This is in contrast to fluorinated solid acid catalysts that are exposed to higher severity forms of fluorination, such as exposure to ammonium fluoride or HF. SnF.sub.2 is an example of a suitable molten metal fluoride.
Photocatalyst composite particles and method for producing same
Disclosed are metal nitride photocatalyst particles and/or metal oxynitride photocatalyst particles having high dispersibility. The metal nitride photocatalyst particles and/or metal oxynitride photocatalyst particles having high dispersibility can be obtained by containing metal nitride photocatalyst particles and/or metal oxynitride photocatalyst particles, which are capable of splitting water under visible light irradiation, and a phosphoric acid polymer that is adsorbed on the surface of the particles. Further, because these particles have high photocatalytic activity under visible light irradiation, splitting water by using these particles can generate hydrogen and/or oxygen with high efficiency.
LOW COST OXIDATION CATALYSTS FOR VOC AND HALOGENATED VOC EMISSION CONTROL
The current embodiments relate to ruthenium-containing supported catalysts, including processes for their manufacture and use, which destroy, through catalytic oxidation, hazardous compounds contained in chemical industrial emissions and otherwise produced from industrial processes.
Method for coating a wall-flow filter
The present invention relates to a method for producing a coated wall-flow filter. The wall-flow filter is coated with a powder aerosol.
Cobalt-based catalyst on metal structure for selective production of synthetic oil via fischer-tropsch reaction, method of preparing the same, and method of selectively producing synthetic oil using the same
This invention relates to a cobalt-based catalyst on a metal structure for selective production of synthetic oil via Fischer-Tropsch reaction, a method of preparing the same and a method of selectively producing synthetic oil using the same, wherein zeolite, cobalt and a support are mixed and ground to give a catalyst sol, which is then uniformly thinly applied on the surface of a metal structure using a spray-coating process, thereby preventing generation of heat during Fischer-Tropsch reaction and selectively producing synthetic oil having a carbon chain shorter than that of wax. This catalyst is prepared by burning a powder mixture obtained by melt infiltration of a cobalt hydrate and a metal oxide support to give a catalyst powder including cobalt oxide/metal oxide support; hybridizing the catalyst powder including cobalt oxide/metal oxide support with a zeolite powder to give a hybrid catalyst powder; mixing the hybrid catalyst powder with an organic binder and an inorganic binder and grinding the mixed hybrid catalyst powder to give a hybrid catalyst sol; spray-coating a metal structure surface-treated with alumina by atomic layer deposition with the hybrid catalyst sol; and thermally treating the metal structure spray-coated with the hybrid catalyst sol.