Beta zeolite, method for producing same, and catalyst
AssigneesMitsui Mining & Smelting Co., Ltd., National University Corporation Yokohama National University
InventorsYoshihiro Kubota, Satoshi Inagaki, Yuya Ikehara, Mei Takeyama, Yasuo Yamazaki
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Abstract
Provided is a beta zeolite also having exceptional catalytic activity as a catalyst other than an olefin epoxidation catalyst. This beta zeolite is synthesized without using an organic structure-directing agent and has titanium in the structural skeleton thereof, the Ti content being 0.10 mmol/g or higher. This beta zeolite preferably has an Si/Ti molar ratio of 20-200. Also, the Si/Al molar ratio is preferably 100 or higher.
Claims9
A beta zeolite comprising a titanium-containing structural skeleton and having a Ti content of 0.10 mmol/g or more, the beta zeolite being synthesized without using any organic structure-directing agent,
- wherein the beta zeolite has a nitrogen adsorption isotherm at −196° C. that shows a nitrogen absorption of 100 to 175 cm3 (STP)/g at a relative pressure P/P0 of 0.4 and shows a nitrogen absorption of 160 to 220 cm3 (STP)/g at a relative pressure P/P0 of 0.9, in which P and P0 are respectively the equilibrium pressure and the saturated vapor pressure at a temperature of −196° C.
Dependencies are inferred from the claim text.