EP0164939A2
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EP
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Preparation of zeolite beta
Assignee: Mobil Oil AS
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Filing: 1985-05-22
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Granted: —
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Expires: 2005-05-22
Abstract
Abstract This invention relates to a new and improved composition of zeolite Beta, to a new and useful improvement in : synthesizing said zeolite composition and to use of said zeolite composition prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.
Inventors
- 👤 Robert Bruce Calvert
- 👤 Ernest William Valyocsik
- 👤 Stephen Sui Fai Wong
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 02:25
CPC Classifications
C; C01; C01B; C01B39/00; C01B39/02; C01B39/46; C01B39/48; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70; B01J29/7007; B01J29/72; B01J29/74; B01J29/7415; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2775; B01J2229/00; B01J2229/10; B01J2229/20
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
85 words
A method for synthesizing a zeolite Beta composition which comprises preparing a mixture containing sources of alkali metal (M) oxide, an oxide of aluminum, a tetraethylammonium (R) compound, an oxide of silicon and water and having a composition, in terms of mole ratios, within the following ranges: and maintaining the mixture at a temperature of 90°C to 200°C for from 24 hours to 7 days for crystallization of said zeolite Beta, and terminating crystallization when the zeolite Beta product is from 30% to 90% crystalline.
Claim 2
Independent Claim
85 words
A method for synthesizing a zeolite Beta composition which comprises preparing a mixture containing sources of alkali metal (M) oxide, an oxide of aluminum, a tetraethylammonium (R) compound, an oxide of silicon and water and having a composition, in terms of mole ratios, within the following ranges: and maintaining the mixture at a temperature of 90°C to 200°C for from 24 hours to 7 days for crystallization of said zeolite Beta, and terminating crystallization when the zeolite Beta product is from 30% to 90% crystalline.
Claim 3
Dependent Claim
17 words
A method according to claim 1 wherein said mixture has the composition, in terms of mole ratios:
Claim 4
Dependent Claim
18 words
A method according to claim 1 or claim 2 wherein the tetraethylammonium compound is the hydroxide and/or halide.
Claim 5
Independent Claim
18 words
A method according to any preceding claim wherein Si0 2/ A1 2 0 3 is greater than 200.
Claim 6
Independent Claim
16 words
A method according to any preceding claim wherein OH - /SiO 2 is at least 0.5.
Claim 7
Independent Claim
19 words
A method according to any preceding claim which comprises separating said product from the reaction mixture after terminating crystallization.
Claim 8
Independent Claim
13 words
A method according to any preceding claim wherein crystallization is terminated by quenching.
Claim 9
Independent Claim
25 words
A method according to any preceding claim wherein said product is calcined at a temperature of 200°C to 600°C for from 1 to 48 hours.
Claim 10
Dependent Claim
75 words
A synthetic zeolite Beta composition conforming to the formula, expressed in terms of mole ratios of oxides in the anhydrous state: ( 0.1 to 4 ) R20: ( 0 . 05 to 2) M2/n O:(0.1 to 5)Al 2 O 3 :(100)SiO 2 wherein M is at least one alkali metal cation having the valence n, and R is a cation derived from a tetraethylammonium compound or mixtures thereof, which composition is 30% to 90% crystalline.
Claim 11
Dependent Claim
75 words
A synthetic zeolite Beta composition conforming to the formula, expressed in terms of mole ratios of oxides in the anhydrous state: ( 0.1 to 4 ) R20: ( 0 . 05 to 2) M2/n O:(0.1 to 5)Al 2 O 3 :(100)SiO 2 wherein M is at least one alkali metal cation having the valence n, and R is a cation derived from a tetraethylammonium compound or mixtures thereof, which composition is 30% to 90% crystalline.
Claim 12
Dependent Claim
23 words
A composition according to claim 9 wherein the value of the mole ratio Si0 2/ A1 2 0 3 is greater than 100.
Claim 13
Dependent Claim
49 words
A composition according to claim 9 or claim 10 which has been subjected to ion exchange with one or more cations selected from hydrogen, hydrogen precursors, rare earth metals, and metals from Groups IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIB and/or VIII of the periodic Table of Elements.
Claim 14
Dependent Claim
14 words
A composition according to any of claims 9 to 11 which has been calcined.
Claim 15
Dependent Claim
34 words
A process for effecting catalytic conversion of an organic compound-containing feedstock which comprises contacting said feedstock under catalytic conversion conditions with a catalyst comprising the composition claimed in any of claims 9 to 12.
References Cited (Backward Citations)
No citation records indexed.
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