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EP0158348A2
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Magnesium-luminum-phosphorus-silicon-oxide molecular sieve compositions
Assignee: Union Carbide Corp
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Filing: 1985-04-11
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Granted: —
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Expires: 2005-04-11
Abstract
Abstract Crystalline molecular sieves having a three-dimensional microporous framework structures of Mg0<sub>2</sub>, AlO<sub>2</sub>, Si0<sub>2</sub> and P0<sub>2</sub> tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:wherein "R" represents at least one organic templating agent present in the intracrystalline pore system; "m" represents the molar amount of "R" present per mole of (Mg<sub>w</sub>Al<sub>x</sub>P<sub>y</sub>S<sub>z</sub>)O<sub>2</sub>; and "w", "x", "y" and "z" represent the mole fractions of magnesium, aluminum, phosphorus and silicon, respectively, present as tetrahedral oxides. Their use as adsorbents, catalysts, etc. is disclosed.
Inventors
- 👤 Brent Mei Tak Lok
- 👤 Lawrence David Vail
- 👤 Edith Marie Flanigen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 06:02
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/393; C07C5/41; B; B01; B01J; B01J29/00; B01J29/82; B01J29/84; B01J29/85; C01; C01B; C01B37/00; C01B37/06; C01B37/08; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/12; C07C2/54; C07C5/02; C07C5/22; C07C5/2206; C07C5/2226; C07C5/224; C07C5/27; C07C5/2702; C07C5/271; C07C5/2716; C07C2529/00; C07C2529/82; C07C2529/84; Y; Y10; Y10S; Y10S423/00; Y10S423/30
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
130 words
1 . Crystalline molecular sieves having a three-dimensional microporous framework structures of MgO 2 , AlO 2 , PO 2 and SiO 2 tetrahedral units and having an empirical chemical composition on an anhydrous basis expressed by the formula: wherein "R" represents at least one organic templating agent present in the intracrystalline pore system; "m" represents the molar amount of "R" present per mole of (Mg w Al x P y Si z )O 2 and has a value from zero to about 0.3; and "w". "x", "y" and "z" represent the mole fractions of magnesium, aluminum, phosphorus and silicon. respectively, present as tetrahedral oxides, said mole fractions being such that they are within the pentagonal compositional area defined by points A. B, C. D and E of FIG. 1.:
Claim 2
Dependent Claim
130 words
1 . Crystalline molecular sieves having a three-dimensional microporous framework structures of MgO 2 , AlO 2 , PO 2 and SiO 2 tetrahedral units and having an empirical chemical composition on an anhydrous basis expressed by the formula: wherein "R" represents at least one organic templating agent present in the intracrystalline pore system; "m" represents the molar amount of "R" present per mole of (Mg w Al x P y Si z )O 2 and has a value from zero to about 0.3; and "w". "x", "y" and "z" represent the mole fractions of magnesium, aluminum, phosphorus and silicon. respectively, present as tetrahedral oxides, said mole fractions being such that they are within the pentagonal compositional area defined by points A. B, C. D and E of FIG. 1.:
Claim 3
Dependent Claim
38 words
Crystalline molecular sieves according to claim 1 wherein the mole fractions of magnesium. aluminum, phosphorus and silicon present as tetrahedral oxides are within the tetragonal compositional area defined by points a, b, c and d of FIG. 2.
Claim 4
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table A.
Claim 5
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table B.
Claim 6
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table C.
Claim 7
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table D.
Claim 8
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table E.
Claim 9
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table F.
Claim 10
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table G.
Claim 11
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table H.
Claim 12
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table J.
Claim 13
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table K.
Claim 14
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffractions pattern which contains at least the d-spacing set forth in Table L.
Claim 15
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table M.
Claim 16
Dependent Claim
27 words
The crystalline molecular sieves of claims 1 or 2 having a characteristic x-ray powder diffraction pattern which contains at least the d-spacings set forth in Table N.
Claim 17
Dependent Claim
116 words
Process for preparing the crystalline molecular sieves of claim 1 having three-dimensional microporous frameworks wherein said process comprises providing at effective process conditions a reaction mixture composition expressed by the formula: aR : (Mg w Al x P y Si z ):6F 2 O wherein "R" is an organic templating agent: "a" is an effective amount of "R"; "b" has a value of from zero to about 500: and "w", "x", "y" and "z" represent the mole fractions, respectively, of magnesium, aluminum, phosphorus and silicon in the (Mg w Al x P y Si z )O 2 constituent, and each has a value of at least 0.01, whereby the molecular sieves of claim 1 are prepared.
Claim 18
Dependent Claim
29 words
The process of claim 16 wherein "w", "x", "y" and "z" are within the pentaganonal compositional area defined by points F, G, H, I and J of FIG. 3.
Claim 19
Dependent Claim
17 words
Process according to claim 16 wherein the source of phosphorus in the reaction mixture is orthophosphoric acid.
Claim 20
Dependent Claim
36 words
Process according to claim 16 wherein the source of phosphorus in the reaction mixture is orthophosphoric acid and the source of aluminum is at least one compound selected from the group of pseudo-boehmite and aluminum alkoxide.
Claim 21
Dependent Claim
12 words
Process according to claim 19 wherein the aluminum alkoxide is aluminum isopropoxide.
Claim 22
Dependent Claim
12 words
Process according to claim 16 wherein the source of silicon is silica.
Claim 23
Dependent Claim
24 words
Process according to claim 16 wherein the source of magnesium is selected from the group consisting of magnesium acetate, magnesium sulfate and mixtures thereof.
Claim 24
Dependent Claim
43 words
Process according to claim 16 wherein the organic templating agent is a quaternary ammonium or quaternary phosphonium compound having the formula: wherein X is nitrogen or phosphorus and each R is an alkyl or aryl group containing from 1 to 8 carbon atoms.
Claim 25
Dependent Claim
13 words
Process according to claim 16 wherein the organic templating agent is an amine.
Claim 26
Dependent Claim
88 words
Process according to claim 16 or claim 17 wherein the templating agent is selected from the group consisting of tetrapropylammonium ion: tetraethylammonium ion; tripropylamine; triethylamine; triethanolamine; piperidine; cyclohexylamine; 2-methyl pyridine; N,N-dimethylbenzylamine; N,N-dimethylethanolamine; chlorine; N,N-dimethylpiperazine; 1,4-diaziabicyclo-(2,2,2) octane; N-methyldiethanolamine: N-methylethanolamine: N-methylpiperidine: 3-methylpiperidine; N-methylcyclohexylamine; 3-methylpyridine; 4-methylpyridine; quinuclidine; N,N'-dimethyl-1,4-diazabicyclo (2,2,2) octane ion: tetramethylammonium ion; tetrabutylammonium ion; tetrapentylammonium ion; di-n-butylamine: neopentylamine: di-n-pentylamine; isopropylamine; t-butylamine: ethylenediamine; pyrrolidine; 2-imidazolidone; di-n-propylamine; and a polymeric quaternary ammonium salt [(C 14 H 32 N 2 )(OH) 2 ] x wherein x is a value of at least 2.
Claim 27
Dependent Claim
37 words
Molecular sieve prepared by calcining the compositions of claim 1 or claim 2, said calcination being at a temperature sufficiently high to remove at least some of the organic templating agent present in the intracrystalline pore system.
Claim 28
Dependent Claim
76 words
Process for separating molecular species from admixture with molecular species having a lesser degree of polarity which comprises contacting said mixture of molecular species with a molecular sieve composition of claim 1 or claim 2 having pore diameters large enough to adsorb at least one of the more polar molecular species, said molecular sieve being at least partially activated whereby molecules of the more polar molecular species are selectively adsorbed into the intracrystalline pore system thereof.
Claim 29
Dependent Claim
71 words
Process for separating a mixture of molecular species having different kinetic diameters which comprises contacting said mixture with a molecular sieve of claim 1 or claim 2 having pore diameters large enough to adsorb at least one but not all molecular species of said mixture, said molecular sieve being at least partially activated whereby at least some molecules whose kinetic diameters are sufficiently small can enter the intracrystalline pore system thereof.
Claim 30
Dependent Claim
13 words
Process according to claim 27 wherein the more polar molecular species is water.
Claim 31
Dependent Claim
24 words
Process for converting a hydrocarbon which comprises contacting said hydrocarbon under hydrocarbon converting conditions with a molecular sieve of claim 1 or claim 2.
Claim 32
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is cracking.
Claim 33
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is hydrocracking.
Claim 34
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is hydrogenation.
Claim 35
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is polymerization.
Claim 36
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is alkylation.
Claim 37
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is reforming.
Claim 38
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is hydrotreating.
Claim 39
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is isomerization.
Claim 40
Dependent Claim
13 words
Process according to claim 38 wherein the isomerization conversion process is xylene isomerization.
Claim 41
Dependent Claim
12 words
Process according to claim 30 wherein the hydrocarbon conversion process is dehydrocyclization.
References Cited (Backward Citations)
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