The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2019
Filed:
Nov. 19, 2014
China University of Petroleum-beijing, Beijing, CN;
Beijing Cup Green Catalytic Technology Co., Ltd., Beijing, CN;
Xiaojun Bao, Beijing, CN;
Yuanyuan Yue, Beijing, CN;
Jinbiao Yang, Beijing, CN;
Haiyan Liu, Beijing, CN;
Pei Yuan, Beijing, CN;
CHINA UNIVERSITY OF PETROLEUM-BEIJING, Beijing, CN;
BEIJING CUP GREEN CATALYTIC TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
The present invention provides a preparation method of Beta molecular sieve, comprising: activating a mineral having low silica-to-alumina ratio and a mineral having high silica-to-alumina ratio, respectively, wherein the mineral having low silica-to-alumina ratio is activated via a sub-molten salt medium, and the mineral having high silica-to-alumina ratio is activated via means of high-temperature calcination; mixing the activated minerals with sodium chloride, potassium chloride, water and template agent for hydrothermal crystallization, wherein the charged amounts of the raw materials satisfies a molar ratio of: 0.03-0.18 NaO: 0.01-0.03 KO: 0.1-0.4 (TEA)O: 1 SiO: 0.01-0.5 AlO: 12-40 HO; cooling the crystallized product and removing the mother liquor by filtration, washing the resulting filter cake with water to neutral and drying it to obtain the Beta molecular sieve.