A metal catalyst is formed by vaporizing a quantity of metal and a quantity of carrier forming a vapor cloud. The vapor cloud is quenched forming precipitate nanoparticles comprising a portion of metal and a portion of carrier. The nanoparticles are impregnated onto supports. The supports are able to be used in existing heterogeneous catalysis systems. A system for forming metal catalysts comprises means for vaporizing a quantity of metals and a quantity of carrier, quenching the resulting vapor cloud and forming precipitate nanoparticles comprising a portion of metals and a portion of carrier. The system further comprises means for impregnating supports with the nanoparticles.

A metal catalyst is formed by vaporizing a quantity of metal and a quantity of carrier forming a vapor cloud. The vapor cloud is quenched forming precipitate nanoparticles comprising a portion of metal and a portion of carrier. The nanoparticles are impregnated onto supports. The supports are able to be used in existing heterogeneous catalysis systems. A system for forming metal catalysts comprises means for vaporizing a quantity of metals and a quantity of carrier, quenching the resulting vapor cloud and forming precipitate nanoparticles comprising a portion of metals and a portion of carrier. The system further comprises means for impregnating supports with the nanoparticles.

The present invention relates to a catalyst for the epoxidation of alkenes, comprising silver, rhenium, cesium, lithium, tungsten and sulfur on a support. The present invention further relates to a process for producing the catalyst and the use of the catalyst for the oxidation of alkylenes to alkylene oxides. In addition, the present invention relates to a process for preparing ethylene oxide from ethylene, which comprises the oxidation of ethylene with oxygen in the presence of said catalyst.

The present subject matter relates to the development of active catalyst composite based on supported transition metal oxides, especially, Cu, Co that are effective in the removal sulfides in the diluted spent caustic. The process for the reduction of sulfides in spent caustic comprises of reacting various organic and inorganic sulfides with molecular oxygen in the presence of active catalyst at various reaction temperatures ranging ambient to 200 C. and pressures between atmospheric pressure to 60 bars. The process also relates to complete scheme for the removal of sulfides in spent caustic.

The present subject matter relates to the development of active catalyst composite based on supported transition metal oxides, especially, Cu, Co that are effective in the removal sulfides in the diluted spent caustic. The process for the reduction of sulfides in spent caustic comprises of reacting various organic and inorganic sulfides with molecular oxygen in the presence of active catalyst at various reaction temperatures ranging ambient to 200 C. and pressures between atmospheric pressure to 60 bars. The process also relates to complete scheme for the removal of sulfides in spent caustic.

The present invention relates to a catalyst for a hydrogenation reaction and a method for producing the same, and more specifically, to a catalyst for a hydrogenation reaction, wherein the catalyst includes nickel oxide as an active ingredient and copper oxide and sulfur oxide as a promoter, and especially, can control a reduction degree value according to whether or not a passivation layer of a nickel metal is removed.

The present invention relates to a catalyst for a hydrogenation reaction and a method for producing the same, and more specifically, to a catalyst for a hydrogenation reaction, wherein the catalyst includes nickel oxide as an active ingredient and copper oxide and sulfur oxide as a promoter, and especially, can control a reduction degree value according to whether or not a passivation layer of a nickel metal is removed.

A bimetal oxysulfide solid-solution catalyst is provided. The bimetal oxysulfide solid-solution catalyst is represented by formula (1):
M.sup.(1).sub.xM.sup.(2).sub.yO.sub.zS.sub.(1), wherein in formula (1), M.sup.(1) includes Copper (Cu) and M.sup.(2) includes monovalent Silver (Ag), divalent Zinc (Zn), Manganese (Mn), Nickel (Ni), Cobalt (Co), and Tin (Sn.sup.II), trivalent Indium (In), Cerium (Ce), Antimony (Sb), and Gallium (Ga), tetravalent Tin (Sn.sup.IV), or pentavalent Molybdenum (Mo), 0<y<0.3, 0.7<x<1.0, 0<z<0.5, and 0.5<<1.0. In addition, a manufacturing method of the bimetal oxysulfide solid-solution catalyst and applications of the bimetal oxysulfide solid-solution catalyst are also provided.

A bimetal oxysulfide solid-solution catalyst is provided. The bimetal oxysulfide solid-solution catalyst is represented by formula (1):
M.sup.(1).sub.xM.sup.(2).sub.yO.sub.zS.sub.(1), wherein in formula (1), M.sup.(1) includes Copper (Cu) and M.sup.(2) includes monovalent Silver (Ag), divalent Zinc (Zn), Manganese (Mn), Nickel (Ni), Cobalt (Co), and Tin (Sn.sup.II), trivalent Indium (In), Cerium (Ce), Antimony (Sb), and Gallium (Ga), tetravalent Tin (Sn.sup.IV), or pentavalent Molybdenum (Mo), 0<y<0.3, 0.7<x<1.0, 0<z<0.5, and 0.5<<1.0. In addition, a manufacturing method of the bimetal oxysulfide solid-solution catalyst and applications of the bimetal oxysulfide solid-solution catalyst are also provided.

A method for producing catalyst particles is disclosed and includes forming a solution including a solvent and a material including catalyst material, wherein the material including catalyst material is dissolved or emulsified in the solvent; aerosolizing the formed solution to produce droplets including the material including catalyst material; and treating the droplets to produce catalyst particles or intermediate catalyst particles from the material including catalyst material comprised in the droplets. A method for producing nanomaterials, an apparatus, a catalyst particle and a solution droplet for the production of a catalyst particle are also disclosed.