Process for preparing bound zeolites

Details Process for preparing bound zeolites Process for preparing bound zeolites

2006-07-11

2006-07-11

Sample, David (Department: 1755)

Chemistry of inorganic compounds

Zeolite

Organic compound used to form zeolite

C423S335000, C423SDIG022

Reexamination Certificate

active

07074383

ABSTRACT:
A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-alkylorthosilicate is optionally added, resulting from the synthesis of zeolite by hydrothermal treatment at autogenous pressure of the reagent mixture containing tetra-alkylammoniumhydroxide as templating agent, and subjecting the product resulting from the drying to calcination.

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patent: 6734323 (2004-05-01), Botti et al.

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