The present invention discloses a dual functional photocatalytic device and a process for photocatalytic co-conversion of CO.sub.2 and H.sub.2O to value added products in direct sunlight. More particularly, the present invention relates to efficient and continuous process for the photocatalytic co-conversion of a mixture of CO.sub.2 and water into methanol, formaldehyde, in the presence of newly developed dual-functional photocatalyst device. The present invention is to provide dual-functional photocatalyst device, along with a co-catalyst and integrating them into a photocatalytic device using artificial leaf approach wherein said device is in the form of thin film working under wide spectrum of solar radiation at ambient conditions. Additionally it is easy to scale up the photocatalyst device size from 1 cm.sup.2 to 10 cm.sup.2 size and process is tuneable to generate desired products.

The present invention discloses a dual functional photocatalytic device and a process for photocatalytic co-conversion of CO.sub.2 and H.sub.2O to value added products in direct sunlight. More particularly, the present invention relates to efficient and continuous process for the photocatalytic co-conversion of a mixture of CO.sub.2 and water into methanol, formaldehyde, in the presence of newly developed dual-functional photocatalyst device. The present invention is to provide dual-functional photocatalyst device, along with a co-catalyst and integrating them into a photocatalytic device using artificial leaf approach wherein said device is in the form of thin film working under wide spectrum of solar radiation at ambient conditions. Additionally it is easy to scale up the photocatalyst device size from 1 cm.sup.2 to 10 cm.sup.2 size and process is tuneable to generate desired products.

A method of visible-light photocatalysis combined with ClO.sub.2 oxidation for high efficient removal of organic pollutants in the wastewater, includes that i) the pH of the organic wastewater is adjusted to a constant value; the visible light photocatalysts are added to wastewater with full stirring to reach the adsorption equilibrium; (ii) turning on the Xenon lamp and adjust the distance between the light source and the liquid surface; chlorite is added to the system to reach a concentration and the reaction remained at a constant temperature with adequate stirring to achieve the degradation of organic pollutants.

A method of visible-light photocatalysis combined with ClO.sub.2 oxidation for high efficient removal of organic pollutants in the wastewater, includes that i) the pH of the organic wastewater is adjusted to a constant value; the visible light photocatalysts are added to wastewater with full stirring to reach the adsorption equilibrium; (ii) turning on the Xenon lamp and adjust the distance between the light source and the liquid surface; chlorite is added to the system to reach a concentration and the reaction remained at a constant temperature with adequate stirring to achieve the degradation of organic pollutants.

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.

The present invention pertains to a catalyst for use in the selective catalytic reduction (SCR) of nitrogen oxides comprising a monolithic substrate and a coating A, which comprises an oxidic metal carrier comprising an oxide of titanium and a catalytic metal oxide which comprises an oxide of vanadium wherein the mass ratio vanadium/titanium is 0.07 to 0.26.

The present invention pertains to a catalyst for use in the selective catalytic reduction (SCR) of nitrogen oxides comprising a monolithic substrate and a coating A, which comprises an oxidic metal carrier comprising an oxide of titanium and a catalytic metal oxide which comprises an oxide of vanadium wherein the mass ratio vanadium/titanium is 0.07 to 0.26.

A method for production of vanadium catalysts, including steps of 1) providing a mixture comprising a TiO.sub.2-based support and a composite oxide containing vanadium and antimony; 2) preparing a slurry containing the mixture obtained from step 1), and additive comprising at least one species selected from the group consisting of Si, Al, Zr, Ti, W and Mo, and a solvent; and 3) applying the slurry onto a substrate or processing the slurry into shaped bodies. The vanadium catalysts obtained/obtainable from the method, and use thereof for abatement of nitrogen oxides (NOx).

A method for production of vanadium catalysts, including steps of 1) providing a mixture comprising a TiO.sub.2-based support and a composite oxide containing vanadium and antimony; 2) preparing a slurry containing the mixture obtained from step 1), and additive comprising at least one species selected from the group consisting of Si, Al, Zr, Ti, W and Mo, and a solvent; and 3) applying the slurry onto a substrate or processing the slurry into shaped bodies. The vanadium catalysts obtained/obtainable from the method, and use thereof for abatement of nitrogen oxides (NOx).

The present disclosure relates to mesoporous metal titanate materials composition. Specifically, the present disclosure relates to a mesoporous metal titanate material composition that is active for multiple reactions, including aromatic alkylation, alkene coupling, alkene cyclization, alkyne oxidation, alcohol dehydrogenation reactions.