The present invention provides an impregnated catalyst composition for production of carbon monoxide comprising: 30 wt %-50 wt % metal oxide and 50 wt %-70 wt % support material. Another aspect of the present invention is to provide a method of preparation of an impregnated catalyst for carbon monoxide production (10) and a method for producing carbon monoxide (20) according to the impregnated catalyst of the present invention. The present invention is able to reduce the reaction temperature by 1 fold and also able to reduce the usage of energy but maintain its good production quality. Besides, selectivity of the present invention is high, hence able to produce high purity of carbon monoxide.

A process for the production of a catalyst comprising the steps of: dissolving the requisite quantities of copper nitrate and nickel nitrate in de-ionised water to provide a sub-0.30 molar aqueous solution of copper nitrate and nickel nitrate together in the ratio required; providing an ammoniacal solution by adding concentrated aqueous solution of ammonia in a quantity equal to between six and ten times the quantity required to realise both a 1:6 molar ratio for Cu.sup.2+ to ammonia and a 1:6 molar ratio for Ni.sup.2+ to ammonia; loading gamma alumina with 1 to 30% w/w of copper and nickel in a weight ratio of nickel to copper of 1:5 to 2:1 by suspending the requisite quantity of gamma alumina in said ammoniacal solution to achieve the required loading of copper and nickel; stirring the resulting gamma alumina suspension for at least 4 h at room temperature; then the volatile components evaporate under ambient conditions leaving dry loaded gamma alumina, which is calcined at a temperature of at least 260° C. for at least 30 min with a constant heating up rate; a catalyst or catalyst mixture, the catalyst or each catalyst in the catalyst mixture being obtainable by the above-mentioned process; and the use of the catalyst or catalyst mixture for the conversion of exhaust gases from an internal combustion engine into carbon dioxide, water and nitrogen.

The present invention relates to a method for preparing an alumina supported perovskite type oxide composition, to an alumina supported perovskite type oxide composition and to the use of such an alumina supported perovskite type oxide composition in catalytic systems in emission control applications.

A microsphere of oxide has an opening on its surface connected to a hollow core inside, forming a cavity. The oxide the microsphere is made of is selected from the group consisting of alumina, silica, zirconia, magnesium oxide, calcium oxide and titania. The microsphere of oxide shows better mass and heat transfer characteristics, and has strength significantly higher than that of existing products with similar structures. A FT synthesis catalyst has the microsphere of oxide as a support and an active metal component disposed on the support. The active metal component is one or more selected from the group consisting of Co, Fe, and Ru.

A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.

The present invention is directed to the preparation of a cobalt containing catalyst, a precipitate as an intermediate product, a Fischer-Tropsch catalyst and a process for producing normally gaseous, normally liquid and optionally normally solid hydrocarbons from synthesis gas. The precipitate and catalyst comprise crystalline Co(OH)(CO3)0.5, the crystals are needle shaped and have a surface area of at least 80 m.sup.2/g dry precipitate.

The invention relates to a system and a method for the processing of minerals containing the lanthanide series and the production of rare earth oxides, which allow a completely closed and continuous treatment of the different materials and desorbent agents involved in the process, thus improving the efficiency in the extraction and avoiding environmental risks associated. The method comprising the steps of: reception and conditioning of the raw material; desorption of valuable product through a plurality of mixing and reaction stages in which the raw material is contacted in countercurrent with a stream of desorbent solution; separation of fine solids; precipitation of secondary minerals through the use of a first reactive solution; precipitation of rare earth carbonates through the use of a second reactive solution; and drying and roasting of the rare earth carbonates to obtain rare earth oxides; wherein the method further comprises a secondary process that allows further processing of the residual mineral, and a dewatering and washing step wherein the residual mineral from the desorption step is washed and a lanthanide-containing liquid is recovered.

A method for producing an electrically-conductive pellet includes reducing a size of a first material. The method also includes wetting the first material to produce a first slurry. The method also includes introducing the first slurry into a fluidizer to produce a first pellet. The method also includes reducing a size of a second material. The second material is an electrically-conductive material. The method also includes wetting the second material to produce a second slurry. The method also includes applying the second slurry to the first pellet.

A hydrogenation catalyst contains a hydrogenation catalyst carrier and an active hydrogenation component. The active hydrogenation component includescompriscs a Group VIB metal sulfide and a Group VIII metal compound, and the molar proportion of a substance of the Group VIII metal compound that interacts with the Group VIB metal sulfide to the total amount of the Group VIII metal compound is 60-100%. The hydrogenation catalyst has a higher active metal sulfurizing degree and a higher number of type II active centers, and can be applied to the hydrogenation treatment process of oil products such as distillate oils and residual oils

A method for degrading polyethylene terephthalate is provided. The method includes: providing polyethylene terephthalate material, providing a catalyst composite including a porous carrier having a pore size of 45 Å to 250 Å and a metal compound including at least one selected from a group consisting of zinc oxide, zinc hydroxide, zinc carbonate, magnesium oxide, calcium oxide, zirconium oxide, and titanium dioxide, in which the metal oxide is loaded on the porous carrier; and performing a degradation reaction, in which the polyethylene terephthalate material is reacted with the catalyst composite in the presence of an alcohol solvent.