The present invention provides a catalyst composition comprising different metal oxides wherein the catalyst composition comprising Ce, Cr and Ni oxides and a process for preparation thereof. The catalyst composition is used for different reforming techniques for the production of syn gas (CO+H.sub.2) at the same time this material can be used in fuel cell as a anode for power generation as this synthesized material is having good thermal stability and can sustain various redox reaction cycles also.

The present invention relates to an air refining and purifying sterilization module and an air refining and purifying sterilizer including the same, and more particularly, to an air refining and purifying sterilization module and an air refining and purifying sterilizer including the same with excellent sterilization, purification, deodorization, and ventilation performance with respect to various pollutants generated in smoking rooms including tobacco smoke and carbon monoxide and every living spaces as improved catalyst performance. The present invention provides an air purifying sterilizer module in which the photocatalyst unit is formed of an alloy coated metal foam carried with a photocatalytic material and an air purifying sterilizer including the same in the air purifying sterilizer module including a filter unit, a photocatalyst unit, and an ultraviolet lamp. The air purifying sterilizer module and the air purifying sterilizer including the same of the present invention can be widely used by replacing an air purifying sterilizer and an air purifier in the related art in smoke rooms, office spaces, living spaces such as apartments, hospitals, and medical facilities.

The present invention provides a process for preparing 1,1,1,2,2-pentafluoropropane (245cb), the process comprising gas phase catalytic dehydrochlorination of a composition comprising 1,1,1-trifluoro-2,3-dichloropropane (243db) to produce an intermediate composition comprising 3,3,3-trifluoro-2-chloro-prop-1-ene (CF.sub.3CCI=CH.sub.2, 1233xf), hydrogen chloride (HCI) and, optionally, air; and gas phase catalytic fluorination with hydrogen fluoride (HF) of the intermediate composition to produce a reactor product composition comprising 245cb, HF, HCI and air; wherein the process is carried out with a co-feed of air.

The invention provides a metal fiber felt including a woven or nonwoven mixture of fibers including a first plurality of core/shell catalytic metal fibers and an optional second plurality of reinforcing fibers, wherein the catalytic metal fibers include a core including a first metal and a shell including a catalytic metal, the catalytic metal being a noble metal, a base metal, or a combination thereof, and wherein the average diameter of the reinforcing fibers, when present, is greater than the average diameter of the catalytic metal fibers. The metal fiber felt is useful in catalytic articles for use in the abatement of pollutants in exhaust gas streams from internal combustion engines and other environmental and/or chemical catalytic processes.

A catalyst for methane synthesis is made up from layered double hydroxides represented by the following general formula (1).

[M.sup.2+.sub.1-xM.sup.3+.sub.x(OH).sub.2].sup.x+[A.sup.n?.sub.x/n.Math.yH.sub.2O](1)

In formula (1), M.sup.2+ is Ni.sup.2+ and M.sup.3+ is Al.sup.3+ or Cr.sup.3+. Further, A.sup.n? is CO.sub.3.sup.2?. Furthermore, the term x lies within a range of 0.19 to 0.34 (0.19?x?0.34), and y is 0 or a positive integer.

The present invention provides a process of catalytic fluorination in gas phase of product 1,1,1,2,3-pentachloropropane or/and 1,1,2,2,3-pentachloropropane into product 2-chloro-3,3,3-trifluoropropene in presence of a catalyst and oxygen.

The present invention relates to preparation of catalyst for production of olefinic hydrocarbons by dehydrogenation of their corresponding paraffins, particularly propylene from propane, comprising a metal oxide or combination of metal oxides utilizing spent catalyst from Fluid Catalytic Cracking (FCC)/Resid Fluid Catalytic Cracking (RFCC) processes. The metal oxides are possibly from transition metal group, particularly from groups VB, VIB, VIII, and Lanthanide series, and at least one metal from alkali group. The catalyst support used is spent catalyst or modified spent catalyst or combination thereof. The said catalyst can be used for both non-oxidative Propane Dehydrogenation (PDH) and Oxidative Propane Dehydrogenation (OPDH) process in the presence of CO.sub.2.

The invention relates to a structured catalyst for catalyzing steam methane reforming reaction in a given temperature range T upon bringing a hydrocarbon feed gas into contact with the structured catalyst. The structured catalyst comprises a macroscopic structure, which comprises an electrically conductive material and supports a ceramic coating. The macroscopic structure has been manufactured by 3D printing or extrusion and subsequent sintering, wherein the macroscopic structure and the ceramic coating have been sintered in an oxidizing atmosphere in order to form chemical bonds between the ceramic coating and the macroscopic structure. The ceramic coating supports catalytically active material arranged to catalyze the steam methane reforming reaction, wherein the macroscopic structure is arranged to conduct an electrical current to supply an energy flux to the steam methane reforming reaction. The invention moreover relates to methods of manufacturing the structured catalyst and a system using the structured catalyst.

The present disclosure provides a process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and at least one trifluoroacetyl halide selected from the group consisting of trifluoroacetyl chloride, trifluoroacetyl fluoride, trifluoroacetyl bromide, and combinations thereof, reacting the reactant stream in the presence of a first catalyst at a first reaction temperature from about 25? C. to about 400? C. to produce an intermediate product stream comprising trifluoroacetyl iodide, and reacting the intermediate product stream in the presence of a second catalyst at a second reaction temperature from about 200? C. to about 600? C. to produce a final product stream comprising the trifluoroiodomethane.

Photocatalysts and methods of making and using the same are disclosed. The photocatalyst includes a TIO2 ultra-nanoparticle having a single Fe, Co, Mn, Cr, or W atom positioned as an engineered defect within the particle and a single metal catalyst atom bound proximal to the single Fe, Co, Mn, Cr, or W atom. The method of making the photocatalyst includes generating a plurality of ultra-nano TIO2 particles, each having a single Fe, Co, Mn, Cr, or W atom positioned as an engineered defect within the particle. The method further includes photodepositing a single metal catalyst atom proximal to the single Fe, Co, Mn, Cr, or W atom for at least a portion of the ultra-nano TIO2 particles, thereby creating the disclosed photocatalyst. The single metal catalyst atom is in a positive oxidation state and can be Pt, Pd, Ir, Ru, Rh, Os, Re, Au, Ni, Zn, or Cu.