Process for preparing a beta zeolite

Details Process for preparing a beta zeolite Process for preparing a beta zeolite

2008-04-04

2010-02-09

Bos, Steven (Department: 1793)

Chemistry of inorganic compounds

Zeolite

Organic compound used to form zeolite

C423SDIG027, C502S064000

Reexamination Certificate

active

07658909

ABSTRACT:
A process for preparing a beta zeolite is described, comprising at least the following steps:i) mixing, in an aqueous medium, at least one source of at least one tetravalent elementX, at least one source of fluoride anions and at least one quaternary ammonium salt with formula (H3C)2—N+—(CH2CH2C(CH3)3)2;ii) treating said mixture hydrothermally until said beta zeolite is formed.

REFERENCES:
patent: 2002/0090337 (2002-07-01), Corma Canos et al.
patent: 2007/0117711 (2007-05-01), Caullet et al.
patent: 2 652 347 (1991-03-01), None
patent: 2 887 246 (2006-12-01), None
patent: WO 2006134249 (2006-12-01), None
Camblor M A et al: “High Silica Zeolites With Three-Dimensional Systems of Large Pore Channels” Microporous and Mesoporous Materials, Elsevier Science Publishing, New York, US, vol. 48, No. 1-3, (Nov. 11, 2001), pp. 11-22, XP004311191.

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