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US4500421A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalysis over activated zeolites

Assignee: Mobil Oil AS
•
Filing: 1983-11-16
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Granted: 1985-02-19
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Expires: 2003-11-16
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Abstract

Abstract A process is provided for conducting organic compound conversion over a catalyst comprising a crystalline zeolite which has been treated by reaction with a compound having a complex fluoroanion.

Inventors

  • 👤 Clarence D. Chang
  • 👤 Joseph N. Miale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:27
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/22; B01J37/26; B01J29/00; B01J29/04; B01J29/06; B01J29/40; B01J31/00; B01J31/02; B01J31/0234; B01J31/0235; B01J31/0239; B01J31/0254; B01J31/26; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/42; B01J29/65; B01J29/70

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 173 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite composition prepared by a method comprising reacting a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said zeolite with said reagent being conducted at a temperature of from about -70° C. to about 80° C. and a pressure of from about -0.8 psig to about 50 psig.
Claim 2
Dependent Claim 173 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite composition prepared by a method comprising reacting a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said zeolite with said reagent being conducted at a temperature of from about -70° C. to about 80° C. and a pressure of from about -0.8 psig to about 50 psig.
Claim 3
Dependent Claim 18 words
The process of claim 1 wherein said zeolite has an initial silica-to-alumina mole ratio greater than about 500.
Claim 4
Dependent Claim 23 words
The process of claim 1 wherein said zeolite composition preparation method includes the additional step of hydrolyzing said zeolite reacted with said reagent.
Claim 5
Dependent Claim 24 words
The process of claim 3 wherein said zeolite composition preparation method includes the additional step of converting said hydrolyzed zeolite to the hydrogen form.
Claim 6
Dependent Claim 25 words
The process of claim 4 wherein said conversion to the hydrogen form comprises contact of said zeolite with an ammonium salt solution followed by calcination.
Claim 7
Dependent Claim 20 words
The process of claim 3 wherein said zeolite composition preparation method includes the additional step of calcining said hydrolyzed zeolite.
Claim 8
Dependent Claim 22 words
The process of claim 1 wherein said zeolite has the structure of ZSM-5, ZSM-11, ZSM-5/ZSM-11 intermediate, ZSM-12, ZSM-23, ZSM-35, ZSM-38 or ZSM-48.
Claim 9
Dependent Claim 15 words
The process of claim 7 wherein said zeolite has the structure of ZSM-5 or ZSM-11.
Claim 10
Dependent Claim 227 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100, with a catalyst comprising a composition prepared by a method which comprises compositing a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 with a matrix material comprising alumina, and reacting said composite with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said composite with said reagent being conducted at a temperature of from about -70° C. to bout 80° C. and a pressure of from about -0.8 psig to about 50 psig.
Claim 11
Dependent Claim 227 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100, with a catalyst comprising a composition prepared by a method which comprises compositing a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 with a matrix material comprising alumina, and reacting said composite with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said composite with said reagent being conducted at a temperature of from about -70° C. to bout 80° C. and a pressure of from about -0.8 psig to about 50 psig.
Claim 12
Dependent Claim 18 words
The process of claim 9 wherein said zeolite has an initial silica-to-alumina mole ratio greater than about 500.
Claim 13
Dependent Claim 24 words
The process of claim 9 wherein said catalyst composition preparation method includes the additional step of contacting said composite with a hydrogen-ion precursor solution.
Claim 14
Dependent Claim 15 words
The process of claim 11 wherein said hydrogen-ion precursor solution is an ammonium salt solution.
Claim 15
Dependent Claim 23 words
The process of claim 11 wherein said catalyst composition preparation method includes the additional step of calcining the hydrogen-ion precursor solution contacted composite.
Claim 16
Dependent Claim 11 words
The process of claim 9 wherein said composite is an extrudate.
Claim 17
Dependent Claim 50 words
The process of claim 1 wherein said conversion conditions include a temperature of from about 300° C. to about 800° C., a pressure of from about 0.1 atmosphere to about 35 atmospheres and a weight hourly space velocity of from about 0.1 hr -1 to about 20 hr -1 .
Claim 18
Dependent Claim 50 words
The process of claim 9 wherein said conversion conditions include a temperature of from about 300° C. to about 800° C., a pressure of from about 0.1 atmosphere to about 35 atmospheres and a weight hourly space velocity of from about 0.1 hr -1 to about 20 hr -1 .
Claim 19
Dependent Claim 223 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100, with a catalyst comprising a zeolite composition prepared by a method comprising reacting a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 and the structure of zeolite ZSM-5 with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said zeolite with said reagent being conducted at a temperature of from about -70° C. to about 80° C. and a pressure of from about -0.8 psig to about 50 psig.
Claim 20
Dependent Claim 223 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100, with a catalyst comprising a zeolite composition prepared by a method comprising reacting a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 and the structure of zeolite ZSM-5 with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said zeolite with said reagent being conducted at a temperature of from about -70° C. to about 80° C. and a pressure of from about -0.8 psig to about 50 psig.
Claim 21
Dependent Claim 232 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100, with a catalyst comprising a composition prepared by a method which compises compositing a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 and the structure of zeolite ZSM-5 with a matrix material comprising alumina, and reacting said composite with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said composite with said reagent being conducted at temperature of from about -70° C. to about 80° C. and a pressure of from about -0.8 psig to about 50 psig.
Claim 22
Dependent Claim 232 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100, with a catalyst comprising a composition prepared by a method which compises compositing a porous crystalline zeolite having an initial silica-to-alumina mole ratio greater than about 100 and the structure of zeolite ZSM-5 with a matrix material comprising alumina, and reacting said composite with a reagent having the formula: L.sub.(n-m) (MF.sub.n).sub.e wherein L is an organic or inorganic ionic moiety, (MF n ) is a fluoroanion moiety comprising the element M, M is an element selected from the group consisting of elements from Groups VB, VIB, VIIB, VIII, IIA, IVA and VA of the Periodic Table of the Elements and Rare Earth elements, n is the coordination number of M, m is the valence of M and e is the charge associated with L, said reaction of said composite with said reagent being conducted at temperature of from about -70° C. to about 80° C. and a pressure of from about -0.8 psig to about 50 psig.

References Cited (Backward Citations)

US3364151A Cited
US3403094A Cited
US3816297A Cited
US3835026A Cited
US3852405A Cited
US4205017A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-02-19 1988-08-20 1989-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-02-19 1992-08-20 1993-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-02-19 1996-08-20 1997-02-19 $7700.00 Window Closed / Lapsed

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