2results about How to "Uniform mesoporous structure" patented technology

The application discloses a wet oxidation catalyst, which comprises the following raw materials in percentage by weight: 0.1-2% noble metal, 1-10% graphene-based material, and the rest is a carrier, wherein the carrier is modified titanium dioxide, specifically, a rare earth-transition metal-oxygen vacancy-mesoporous three-dimensional gradient titanium dioxide carrier. The application aims at solving the technical problem of poor stability of the catalyst.

The application relates to the technical field of water vapor shift, and discloses a water vapor shift catalyst, a preparation method and application thereof, and a water vapor shift reaction method, wherein the catalyst comprises aluminum oxide, active elements and auxiliary elements; the auxiliary elements are selected from at least one of Co, Ni, Cr, Cu and Ce; the active elements comprise divalent iron and trivalent iron, and the atomic ratio of the divalent iron and the trivalent iron on the surface of the catalyst is not less than 0.3 measured by XPS. The catalyst is applied to a water vapor shift reaction, can be suitable for a low water-gas ratio condition, has a high CO conversion rate and a high hydrogen production rate under a high air speed condition, has good heat-resistant activity, and has a high activity retention rate after high-temperature treatment.