Metal oxide/HTS-1 titanium silicalite molecular sieve catalyst and preparation method and application thereof
A titanium-silicon molecular sieve and catalyst technology, which is applied in the field of metal oxide/HST-1 titanium-silicon molecular sieve and its preparation, can solve the problems of short service life, unstable performance, low catalyst activity, etc., so as to improve the activity and service life, Good void ratio and specific surface area, uniform distribution effect
Inactive Publication Date: 2018-12-21
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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The invention provides a metal oxide/HTS-1 titanium silicalite molecular sieve catalyst and a preparation method and application thereof. Transition metal element and rare-earth metal element co-dopedHTS-1 titanium silicalite molecular sieves are selected, and acidic sites of the catalyst can be effectively regulated and controlled through selecting different metal elements, controlling a ratio among the metal elements and reaction conditions; due to the doping of rare-earth elements, acidic sites of the prepared metal oxide/HTS-1 titanium silicalite molecular sieve catalyst can be more uniform in distribution; metal oxides are loaded to an HTS-1 carrier in the form of spinel, and the catalyst is endowed with the advantages of good catalytic activity and long service life due to a synergistic effect between the spinel structures and acidic sites of the HTS-1 titanium silicalite molecular sieves and a synergistic effect among three kinds of metal oxides.
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