Embodiments of the present disclosure provide for supported Ni/Pt bimetallic nanoparticles having a Ni core and a Pt layer disposed on the surface of the Ni core, compositions including supported NiPt nanoparticles, methods of making supported NiPt nanoparticles, methods of using supported NiPt nanoparticles, and the like.

A process to synthesize a catalyst performing Water-Gas shift reaction at a temperature more than 300 C. using a precursor having general formula [(Cu, Zn).sub.1-x (Al, M).sub.x (OH).sub.2].sup.x+ (A.sup.n.sub.x/n).kH.sub.2O with M=Al, La, Ga or In, A=CO.sub.3, 0.33<x<0.5, 1<n<3.

A carbon monoxide oxidation device for oxidizing carbon monoxide contained in a hydrogen rich reformat gas includes a gas stream perturbation device designed as at least one propeller-shaped plate with a plate portion having a surface facing the gas stream and at least one blade which is connected to the plate portion and has a leading edge and an effluent edge, wherein a surface defined between leading edge and effluent edge is inclined in relation to the surface of the plate portion with a predetermined blade inclination angle, thereby defining at least one opening in the plate.

Method for the production of ammonia, and optionally urea, from a flue gas effluent from an oxy-fired process, wherein the production of ammonia and optionally urea includes a net power production. Also provided is a method to effect cooling in an oxy-fired process with air separation unit exit gases utilizing either closed or open cooling loop cycles.

The present invention provides a catalyst and a process for the selective oxidation of carbon monoxide (CO) to produce carbon dioxide gas (CO.sub.2). The process provides a process which selectively oxidizes CO to CO.sub.2 in presence of excess hydrogen. The process provides a selective oxidation of CO to CO.sub.2 gas over Cu/CeO.sub.2 catalyst between temperature range 40 C. to 90 C. at atmospheric pressure in presence of excess H.sub.2, H.sub.2O and CO.sub.2. The process provides a CO conversion up to 100% without deactivation till 100 h.

This invention provides a preparation method of a catalyst for preferential oxidization of CO in a hydrogen-enriched atmosphere, and a catalyst product obtained from the method and its applications thereof. Particularly, in this invention, a wide-temperature catalyst for preferential oxidization of CO in a hydrogen-enriched atmosphere is obtained by depositing one or more of an iron oxide, cobalt oxide, and nickel oxide as a promoter onto the surface of a supported Pt-group noble metal catalyst precursor via chemical vapor deposition or atomic layer deposition. In the wide-temperature catalyst, the active noble metal component has a content of 0.1 to 10 wt %, and the promoter has a content of 0.1 to 10 wt % in terms of the metal element thereof. In the reaction of preferential oxidation of CO in a hydrogen-enriched atmosphere, the catalyst prepared by this invention can exhibit excellent catalytic performance and can achieve high conversion of CO with high selectivity in a wide temperature range of 80 to 200 C., for example. Also, the catalyst can remain stable for a long time even in a case where steam and CO.sub.2 are present in the hydrogen-enriched atmosphere.

A carbon monoxide oxidation device for oxidizing carbon monoxide contained in a hydrogen rich reformat gas includes a housing, wherein the housing incorporates an oxidation catalyst, which is adapted to oxidize the carbon monoxide of the reformat gas by an oxidizing agent to carbon dioxide, includes upstream of the catalyst at least one gas inlet for providing a gas stream of at least the reformat gas into the housing, includes downstream of the catalyst a gas outlet for exiting treated gas from the housing, and incorporates a gas stream perturbation device which is arranged upstream of the catalyst and which is adapted to provide a perturbation in the gas stream, wherein the gas stream perturbation device is designed as at least one propeller-shaped plate with a plate portion having a surface facing the gas stream and at least one blade which is connected to the plate portion and has a leading edge and an effluent edge, wherein a surface defined between leading edge and effluent edge is inclined in relation to the surface of the plate portion with a predetermined blade inclination angle, thereby defining at least one opening in the plate.

Method for the production of ammonia, and optionally urea, from a flue gas effluent from an oxy-fired process, wherein the production of ammonia and optionally urea includes a net power production. Also provided is a method to effect cooling in an oxy-fired process with air separation unit exit gases utilizing either closed or open cooling loop cycles.

The invention relates to a PrOx reactor (R) comprising a housing that encloses a reaction space and has a first inlet (E1) for supply of a hydrogenous first gas (G1) to a reaction space, a second inlet (E2) for supply of an oxygenous second gas (G2) to the reaction space and an outlet (A) for discharge of a third gas (G3), wherein there is a multitude of conduits (Kv) extending from the second inlet (E2) into the reaction space, each of which comprises at least one opening (O) for supply of the second gas (G2) to the reaction space.

The invention relates to a method of starting-up a fuel cell arrangement (1) comprising a fuel processor (2) and a fuel cell (70), wherein the fuel processor (2) comprises the following components: a first evaporator (10), a reformer (20) arranged downstream of the first evaporator (10), a water-gas shift reactor (30), a PrOx reactor (40), a first heat exchanger (11), an afterburner (21) and a startup burner (50), wherein the method comprises the following steps: a) electrically heating a heating arrangement in the fuel processor (2) to heat a first gas (G1), b) heating the components of the fuel processor (2) to a fixed operating temperature by circulating the heated first gas (G1) through at least the first heat exchanger (11) and the afterburner (21), c) catalytically combusting an atomized or evaporated fuel (B) in the startup burner (50) and then afterburning hydrogen in the afterburner (21) for further heating of the first gas (G1) via at least one heat exchanger, d) introducing the fuel (B) into the preheated components of the fuel processor (2) and stopping the catalytic combustion in the startup burner (50), e) starting up at least one reaction in the components of the fuel processor (2), until an exit gas from a PrOx reactor (40) has a given CO content, and f) switching on the fuel cell (70).

The invention further relates to a fuel cell arrangement.