Method of synthesizing Ti-MWW molecular sieve

A synthesis method and technology of molecular sieves, applied in the direction of molecular sieve compounds, molecular sieve catalysts, chemical instruments and methods, etc., can solve the problems of unfavorable industrial production and application of molecular sieves, complex process of titanium-silicon molecular sieves, long process flow, etc., so as to facilitate industrial production and application, low cost and simplified operation process
CN1686795AInactive Publication Date: 2005-10-26EAST CHINA NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
EAST CHINA NORMAL UNIVERSITY
Publication Date
2005-10-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a synthesis method of Ti-MWW molecular sieve. Said method includes the following steps: uniformly mixing silicon source, titanium source, boron source, template agent, fluorine source and water to obtain colloidal material, them making hydrothermal crystallization so as to obtain Ti-MWW molecular sieve raw material powder, making said raw material powder reacte with acidic solution, roasting so as to obtain the Ti-MWW molecular sieve.
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Description

technical field

[0001] The invention relates to a synthesis method of Ti-MWW molecular sieve, which belongs to the technical field of inorganic chemical synthesis. Background technique

[0002] Molecular sieves with MWW structure are a class of molecular sieves with sinusoidal 10-membered ring network pore system, 12-membered ring cavity and supercage pore system structure (Science, 1994, 264: 1910). The catalytically active aluminum atoms are introduced into the framework of MWW molecular sieves to form MCM-22 molecular sieves (US4,954,325). Due to the special pore structure, as an acidic catalytic active component, MCM-22 molecular sieve exhibits excellent catalytic properties such as catalytic cracking (US 4,983,276), olefin and benzene alkylation (US 4,992,606, US 4,992,615, US 5,334,795). Molecular sieves with MWW structure, as acidic catalytic active components, have been industrialized in the process of alkylation of olefins and benzene. [0003...

Claims

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