A perovskite-type oxide catalyst for water-splitting reactions is provided. The catalyst, Ca.sub.2-ySr.sub.yFe.sub.1-xCo.sub.1-xMn.sub.2xO.sub.6-δ where y=0.10-1.90 and x=0.05-0.95, has catalytic activity for both hydrogen- and oxygen-evolution reactions. An exemplary catalyst is CaSrFe.sub.0.75Co.sub.0.75Mn.sub.0.5O.sub.6-δ.

The present disclosure provides perovskite catalytic materials and catalysts comprising platinum-group metals and perovskites. These catalysts may be used as oxygen storage materials with automotive applications, such as three-way catalysts. They are also useful for water or CO.sub.2 reduction, or thermochemical energy storage.

The present disclosure provides perovskite catalytic materials and catalysts comprising platinum-group metals and perovskites. These catalysts may be used as oxygen storage materials with automotive applications, such as three-way catalysts. They are also useful for water or CO.sub.2 reduction, or thermochemical energy storage.

Disclosed is catalyst preparation method for liquid phase hydrogenation of acetophenone in preparation of α-phenylethanol. The method includes adding water, small alcohol, Gemini surfactant and organic pore-forming agent to reactor. Then adding silica sol and stirring to prepare aqueous dispersion of silica sol; preparing alkaline precipitant and mixed solution containing salts of copper containing compound, zinc containing compound, rare-earth metal containing compound and alkaline-earth metal containing compound, adding alkaline precipitant and mixed solution together to aqueous dispersion, followed by precipitation, ageing, filtration, washing, drying, calcination and molding to obtain catalyst. By using silica sol and silicate as composite silicon source, adding organic pore-forming agent before precipitation process, modifying catalyst by Zn, rare-earth metal and alkaline earth metal, when using liquid phase hydrogenation of acetophenone to prepare α-phenylethanol, catalyst has high activity and good selectivity, and effectively improves the catalyst's liquid resistance, has high strength and good stability.

Disclosed is catalyst preparation method for liquid phase hydrogenation of acetophenone in preparation of α-phenylethanol. The method includes adding water, small alcohol, Gemini surfactant and organic pore-forming agent to reactor. Then adding silica sol and stirring to prepare aqueous dispersion of silica sol; preparing alkaline precipitant and mixed solution containing salts of copper containing compound, zinc containing compound, rare-earth metal containing compound and alkaline-earth metal containing compound, adding alkaline precipitant and mixed solution together to aqueous dispersion, followed by precipitation, ageing, filtration, washing, drying, calcination and molding to obtain catalyst. By using silica sol and silicate as composite silicon source, adding organic pore-forming agent before precipitation process, modifying catalyst by Zn, rare-earth metal and alkaline earth metal, when using liquid phase hydrogenation of acetophenone to prepare α-phenylethanol, catalyst has high activity and good selectivity, and effectively improves the catalyst's liquid resistance, has high strength and good stability.

This invention relates to a supported catalyst for synthesizing ammonia (NH.sub.3) from nitrogen gas (N.sub.2) and hydrogen gas (H.sub.2), method of making the support, and methods of decorating the support with the catalyst.

This invention relates to a supported catalyst for synthesizing ammonia (NH.sub.3) from nitrogen gas (N.sub.2) and hydrogen gas (H.sub.2), method of making the support, and methods of decorating the support with the catalyst.

Catalysts for NH.sub.3 cracking and/or synthesis generally include barium calcium aluminum oxide compounds decorated with ruthenium, cobalt, or both. These catalysts can be bonded to a metal structure, which improves thermal conductivity and gas conductance.

Catalysts for NH.sub.3 cracking and/or synthesis generally include barium calcium aluminum oxide compounds decorated with ruthenium, cobalt, or both. These catalysts can be bonded to a metal structure, which improves thermal conductivity and gas conductance.

The present disclosure provides perovskite catalytic materials and catalysts comprising platinum-group metals and perovskites. These catalysts may be used as oxygen storage materials with automotive applications, such as three-way catalysts. They are also useful for water or CO.sub.2 reduction, or thermochemical energy storage.