METHOD OF PRODUCTION OF SYNTHETIC ZEOLITE Russian patent published in 2007 - IPC C01B39/48 

Abstract RU 2313486 C1

FIELD: production of synthetic zeolite and use of such zeolite as adsorbents and catalysts.

SUBSTANCE: proposed synthetic alumo-silicate zeolite is produced by means of hydro-thermal crystallization of reaction mix at temperature of 150-280°C continued for 2-7 days; reaction mix contains source of silicon oxide, aluminum oxide, alkaline metal cations, zeolite "seed", organic structure-forming additive and water; its chemical composition is expressed in the following molar ratio: SiO2/Al2O3 =20-100; Na+/SiO2 = 0.1-1.0; OH/SiO2= 0.1-1.0; H2)/SiO2 = 10=100; R/SiO2 = 0.03-1.0, where alcohol fraction of caprolactam production process is used as organic structure-forming additive (R). Zeolites thus produced have structure, type MFI; they may be used for production of highly effective catalysts on their base for various reactions of hydrocarbon conversion.

EFFECT: enhanced efficiency.

3 cl, 4 tbl, 9 ex

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RU 2 313 486 C1

Authors

Erofeev Vladimir Ivanovich

Koval' Ljubov' Mikhajlovna

Dates

2007-12-27Published

2006-04-12Filed