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US4741820A Expired / Lapsed US ⏱️ 0.0 years remaining

Reforming/dehydrocyclization catalysts and processes

Assignee: Katalistiks International Inc
•
Filing: 1986-03-27
•
Granted: 1988-05-03
•
Expires: 2006-03-27
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Abstract

Abstract Reforming and dehydrocyclization catalysts and processes are disclosed wherein reforming catalysts comprise a Group VIII metal and at least one medium pore non-zeolitic molecular sieve characterized in the calcined form by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a termperature of 20° C. and characterized by an adsorption of triethylamine less than about 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C. In one embodiment the catalyst includes a Group VII metal on a halogenated carrier.

Inventors

  • 👤 Peter K. Coughlin
  • 👤 Regis J. Pellet

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 03:14
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/065; B; B01; B01J; B01J29/00; B01J29/82; B01J29/84; B01J29/85; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/42

Claims Analysis

Total Claims: 69
Claim 1
Independent Claim 154 words
The process for reforming of a hydrocarbon feedstock comprising contacting said hydrocarbon feedstock under effective reforming conditions with a catalyst comprising: (a) at least one MP-NZMS molecular sieve which has been calcined, hydrotreated or chemically treated to remove at least a portion of the template used in the manufacture of the NZMS, or, alternatively, is calcined, hydrotreated or chemically treated in situ prior to carrying out the reforming process, said at least one MP-NZMS being characterized after removal of the template by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and also characterized by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.; and (b) an amount of at least one Group VIII metal effective to render said MP-NZMS active as a reforming catalyst.
Claim 2
Dependent Claim 154 words
The process for reforming of a hydrocarbon feedstock comprising contacting said hydrocarbon feedstock under effective reforming conditions with a catalyst comprising: (a) at least one MP-NZMS molecular sieve which has been calcined, hydrotreated or chemically treated to remove at least a portion of the template used in the manufacture of the NZMS, or, alternatively, is calcined, hydrotreated or chemically treated in situ prior to carrying out the reforming process, said at least one MP-NZMS being characterized after removal of the template by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and also characterized by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.; and (b) an amount of at least one Group VIII metal effective to render said MP-NZMS active as a reforming catalyst.
Claim 3
Dependent Claim 66 words
The process according to claim 1 wherein said MP-NZMS is characterized after removal of the template by an adsorption of isobutane of at least 4 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.
Claim 4
Dependent Claim 66 words
The process according to claim 2 wherein said MP-NZMS is characterized after removal of the template by an adsorption of isobutane of at least 4 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and by an adsorption of triethylamine less than 3 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.
Claim 5
Dependent Claim 18 words
The process according to claim 1 wherein said Group VIII metal is supported on an inorganic oxide carrier.
Claim 6
Dependent Claim 30 words
The process according to claim 4 wherein said inorganic oxide carrier is at least one selected from the group consisting of aluminas, silicas, silica-aluminas, titanias, magnesias, alumina-borias, alumina-titanias and clays.
Claim 7
Dependent Claim 24 words
The process according to claim 5 wherein said inorganic oxide carrier is selected from the group consisting of aluminas, silicas, silica-aluminas and mixtures thereof.
Claim 8
Dependent Claim 14 words
The process according to claim 6 wherein said inorganic oxide carrier is a transition-alumina.
Claim 9
Dependent Claim 12 words
The process according to claim 6 wherein said transition-alumina is a gamma-alumina.
Claim 10
Dependent Claim 38 words
The process according to claim 1 or claim 4 or claim 8 wherein said Group VIII metal is present in an effective amount between about 0.1 wt.% and 2 wt.%, based on the total weight of the catalyst.
Claim 11
Dependent Claim 27 words
The process according to claim 9 wherein said effective amount is between about 0.2 wt.% and about 1.2 wt.%, based on the total weight of the catalyst.
Claim 12
Dependent Claim 20 words
The process according to claim 10 wherein said effective amount is between 0.2 wt. % and about 0.8 wt. %.
Claim 13
Dependent Claim 30 words
The process according to claim 9 wherein said Group VIII metal is at least one metal selected from the group consisting of Pt, Ir, Pd, Rh, Ru and mixtures thereof.
Claim 14
Dependent Claim 24 words
The process according to claim 12 wherein said Group VIII metal is selected from the group consisting of platinum and iridium and mixtures thereof.
Claim 15
Dependent Claim 69 words
The process according to claim 12 wherein at least two metal components are present wherein said weight ratio of said first metal to said second metal is between about 1:5 and about 5:1, said first metal is selected from the Group consisting of at least one of Pt, Ir, Pd, Rh and Ru and said second metal component is selected from the group consisting of rhenium, tungsten and tin.
Claim 16
Dependent Claim 38 words
The process of claim 1 or claim 4 or claim 8 wherein said MP-NZMS is selected from the group consisting of ELAPSOs, CoAPSOs, FeAPSOs, MgAPSOs, MnAPSOs, TiAPSOs, ZnAPSOs, CoMgAPSOs, CoMnMgAPSOs, SAPOs, MeAPOs, TAPOs, FAPOs, ELAPOs and mixtures thereof.
Claim 17
Dependent Claim 26 words
The process of claim 15 wherein said MP-NZMS is selected from the group consisting of MeAPOs, ELAPOs, FeAPSOs, MgAPSOs, MnAPSOs, TiAPSOs, ZnAPSOs, SAPOs and mixtures thereof.
Claim 18
Dependent Claim 22 words
The process of claim 10 wherein said MP-NZMS is selected from the group consisting of SAPO-11, SAPO-31, SAPO-40, SAPO-41, and mixtures thereof.
Claim 19
Dependent Claim 46 words
The process of claim 15 wherein said MP-NZMS is selected from the group consisting of CoAPSO-11, CoAPSO-31, CoAPSO-40, CoAPSO-41, FeAPSO-11, FeAPSO-31, FeAPSO-40, FeAPSO-41, MgAPSO-11, MgAPSO-31, MgAPSO-40, MgAPSO-41, MnAPSO-11, MnAPSO-31, MnAPSO-40, MnAPSO-41, TiAPSO-11, TiAPSO-31, TiAPSO-40, TiAPSO-41, ZnAPSO-11, ZnAPSO-31, ZnAPSO-40, ZnAPSO-41, CoMgAPSO-11, CoMgAPSO-31, CoMnMgAPSO-11, CoMnMgAPSO-31, and mixtures thereof.
Claim 20
Dependent Claim 28 words
The process of claim 15 wherein said MP-NZMS is selected from the group consisting of MeAPO-11, MeAPO-31, TAPO-11, TAPO-31, FAPO-11, FAPO-31, ELAPO-11, ELAPO-31, ELAPO-40, ELAPO-41 and mixtures thereof.
Claim 21
Dependent Claim 20 words
The process of claim 19 wherein "Me" is selected from the group consisting of magnesium, manganese, zinc and mixtures thereof.
Claim 22
Dependent Claim 19 words
The process of claim 20, wherein "Me" is selected from the group consisting of magnesium, manganese and mixtures thereof.
Claim 23
Dependent Claim 138 words
The reforming process comprising contacting a hydrocarbon feedstock suitable for reforming under effective reforming conditions with a catalyst, wherein said catalyst comprises: (a) at least one MP-NZMS molecular sieve characterized in the calcined form by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and also characterized by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.; and (b) a reforming catalyst component comprising at least one Group VIII metal and a halogenated-carrier containing at least one halogen or halogen-containing compound, the amounts of said MP-NZMS, Group VIII metal and halogen or halogen-containing compound being effective to render said catalyst active as a reforming catalyst for said hydrocarbon feedstock.
Claim 24
Dependent Claim 138 words
The reforming process comprising contacting a hydrocarbon feedstock suitable for reforming under effective reforming conditions with a catalyst, wherein said catalyst comprises: (a) at least one MP-NZMS molecular sieve characterized in the calcined form by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and also characterized by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.; and (b) a reforming catalyst component comprising at least one Group VIII metal and a halogenated-carrier containing at least one halogen or halogen-containing compound, the amounts of said MP-NZMS, Group VIII metal and halogen or halogen-containing compound being effective to render said catalyst active as a reforming catalyst for said hydrocarbon feedstock.
Claim 25
Dependent Claim 69 words
A process according to claim 22 wherein said reforming catalyst component in part (b) comprises: between about 0.1 and about 2 percent by weight of at least one Group VIII metal selected from the group consisting of Pt, Ir, Pd, Rh and Ru; between about 0.2 and about 2 wt. % halogen; and between about 96 wt. % and about 99.7 wt. % of an alumina as said carrier.
Claim 26
Dependent Claim 35 words
The process according to claim 23 wherein said Group VIII metal is at least one of platinum or iridium and is present in an effective amount between about 0.2 wt. % and 1.2 wt. %.
Claim 27
Dependent Claim 24 words
The process according to claim 24 wherein said effective amount of platnium or iridium is between 0.2 wt. % and about 0.8 wt. %.
Claim 28
Dependent Claim 29 words
The process according to claim 22 or claim 23 wherein said catalyst comprises between about 1 and about 99.9 percent by weight of at least one MP-NZMS molecular sieve.
Claim 29
Dependent Claim 23 words
The process according to claim 26 wherein said catalyst comprises between about 5 and about 40 weight percent of at least one MP-NZMS.
Claim 30
Dependent Claim 60 words
A process according to claim 22 wherein said MP-NZMS is characterized in the calcined form by an adsorption of isobutane of at least 4 percent by weight at 500 torr and a temperature of 20° C. and an adsorption of triethylamine less than 5 percent by weight of a partial pressure of 2.6 torr and a temperature of 22° C.
Claim 31
Dependent Claim 61 words
A process according to claim 28 wherein said MP-NZMS is characterized in the calcined form by an adsorption of isobutane of at least 4 percent by weight at 500 torr and a temperature of 20° C. and an adsorption of triethylamine of less than 3 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.
Claim 32
Dependent Claim 31 words
The process according to claim 22 wherein said carrier is at least one inorganic oxide carrier selected from the group consisting of aluminas, silicas, silica-aluminas, titanias, magnesias, alumina-borias, alumina-titanias and clays.
Claim 33
Dependent Claim 24 words
The process according to claim 30 wherein said inorganic oxide carrier is selected from the group consisting of aluminas, silicas, silica-aluminas and mixtures thereof.
Claim 34
Dependent Claim 12 words
The process according to claim 31 wherein said alumina is a transition-alumina.
Claim 35
Dependent Claim 15 words
The process according to claim 23 or claim 31 wherein said alumina is a gamma-alumina.
Claim 36
Dependent Claim 28 words
The process of claim 23 wherein said Group VIII metal is at least one of platinum or iridium, said halogen is chlorine and said alumina is a gamma-alumina.
Claim 37
Dependent Claim 59 words
The process of claim 34 wherein said platinum or iridium is present in an effective amount between about 0.2 wt. % and about 1.2 wt. %, said chlorine is present in an effective amount between about 0.2 and about 1.0 wt. %, wherein said amounts are based on the total weight of said reforming catalyst component in part (b).
Claim 38
Dependent Claim 35 words
The process of claim 22 or claim 35 wherein said MP-NZMS is selected from the group consisting of ELAPSOs, CoAPSOs, FeAPSOs, MgAPSOs, MnAPSOs, TiAPSOs, ZnAPSOs, CoMgAPSOs, CoMnMgAPSOs, SAPOs, MeAPOs, TAPOs, FAPOs, ELAPOs and mixtures thereof.
Claim 39
Dependent Claim 29 words
The process of claim 22 or claim 35 wherein said MP-NZMS is selected from the group consisting of MeAPOs, ELAPOs, SAPOs, FAPOs, MgAPOs, MnAPOs, TAPOs, ZnAPOs and mixtures thereof.
Claim 40
Dependent Claim 25 words
The process of claim 22 or claim 35 wherein said MP-NZMS is selected from the group consisting of SAPO-11, SAPO-31, SAPO-40, SAPO-41, and mixtures thereof.
Claim 41
Dependent Claim 46 words
The process of claim 36 wherein said MP-NZMS is selected from the group consisting of CoAPSO-11, CoAPSO-31, CoAPSO-40, CoAPSO-41, FeAPSO-11, FeAPSO-31, FeAPSO-40, FeAPSO-41, MgAPSO-11, MgAPSO-31, MgAPSO-40, MgAPSO-41, MnAPSO-11, MnAPSO-31, MnAPSO-40, MnAPSO-41, TiAPSO-11, TiAPSO-31, TiAPSO-40, TiAPSO-41, ZnAPSO-11, ZnAPSO-31, ZnAPSO-40, ZnAPSO-41, CoMgAPSO-11, CoMgAPSO-31, CoMnMgAPSO-11, CoMnMgAPSO-31, and mixtures thereof.
Claim 42
Dependent Claim 28 words
The process of claim 37 wherein said MP-NZMS is selected from the group consisting of MeAPO-11, MeAPO-31, TAPO-11, TAPO-31, FAPO-11, FAPO-31, ELAPO-11, ELAPO-31, ELAPO-40, ELAPO-41 and mixtures thereof.
Claim 43
Dependent Claim 20 words
The process of claim 40 wherein "Me" is selected from the group consisting of magnesium, manganese, zinc and mixtures thereof.
Claim 44
Dependent Claim 19 words
The process of claim 41, wherein "Me" is selected from the group consisting of magnesium, manganese and mixtures thereof.
Claim 45
Dependent Claim 59 words
The process of claim 1 or claim 22 wherein said hydrocarbon feedstock is selected from the group consisting of: (1) paraffinic hydrocarbons containing from 6 to 12 carbon atoms; (2) naphtha fractions boiling between about 80° F. and about 450° F.; (3) upstream reformates; (4) heavy hydrocracked gasoline fractions; and (5) and mixtures of (1), (2), (3) and (4).
Claim 46
Dependent Claim 26 words
The process of claim 43 wherein said naphtha fraction is selected from the group consisting of virgin naphthas, hydrogenated cracked naphthas, Fischer-Tropsch naphthas and mixtures thereof.
Claim 47
Dependent Claim 36 words
The process of claim 43 wherein said paraffinic hydrocarbon is selected from the group consisting of n-hexane, 2-methylpentane, 3-methylpentane, n-heptane, 2-methylhexane, 3-methylhexane, 3-ethyl-pentane, 2,5-dimethylhexane, n-octane, 2-methylheptane, 3-methylheptane, 4-methylheptane, 3-ethylhexane, n-nonane, 2-methyloctane, 3-methyloctane, n-decane and mixtures thereof.
Claim 48
Dependent Claim 154 words
The process for dehydrocyclization of a hydrocarbon feedstock comprising contacting said hydrocarbon feedstock under effective dehydrocyclization conditions with a catalyst comprising: (a) at least one MP-NZMS molecular sieve which has been calcined, hydrotreated or chemically treated to remove at least a portion of the template used in the manufacture of the NZMS, or, alternatively, is calcined, hydrotreated or chemically treated in situ prior to carrying out the reforming process, said at least one MP-NZMS being characterized after removal of the template by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and also characterized by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.; and (b) an amount of at least one Group VIII metal effective to render said MP-NZMS active as a dehydrocyclization catalyst.
Claim 49
Dependent Claim 154 words
The process for dehydrocyclization of a hydrocarbon feedstock comprising contacting said hydrocarbon feedstock under effective dehydrocyclization conditions with a catalyst comprising: (a) at least one MP-NZMS molecular sieve which has been calcined, hydrotreated or chemically treated to remove at least a portion of the template used in the manufacture of the NZMS, or, alternatively, is calcined, hydrotreated or chemically treated in situ prior to carrying out the reforming process, said at least one MP-NZMS being characterized after removal of the template by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and also characterized by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.; and (b) an amount of at least one Group VIII metal effective to render said MP-NZMS active as a dehydrocyclization catalyst.
Claim 50
Dependent Claim 66 words
The process according to claim 46 wherein said MP-NZMS is characterized after removal of the template by an adsorption of isobutane of at least 4 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and by an adsorption of triethylamine less than 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.
Claim 51
Dependent Claim 66 words
The process according to claim 47 wherein said MP-NZMS is characterized after removal of the template by an adsorption of isobutane of at least 4 percent by weight at a partial pressure of 500 torr and a temperature of 20° C. and by an adsorption of triethylamine less than 3 percent by weight at a partial pressure of 2.6 torr and a temperature of 22° C.
Claim 52
Dependent Claim 18 words
The process according to claim 46 wherein said Group VIII metal is supported on an inorganic oxide carrier.
Claim 53
Dependent Claim 30 words
The process according to claim 49 wherein said inorganic oxide carrier is at least one selected from the group consisting of aluminas, silicas, silica-aluminas, titanias, magnesias, alumina-borias, alumina-titanias and clays.
Claim 54
Dependent Claim 24 words
The process according to claim 50 wherein said inorganic oxide carrier is selected from the group consisting of aluminas, silicas, silica-aluminas, and mixtures thereof.
Claim 55
Dependent Claim 14 words
The process according to claim 51 wherein said inorganic oxide carrier is a transition-alumina.
Claim 56
Dependent Claim 12 words
The process according to claim 52 wherein said transition-alumina is a gamma-alumina.
Claim 57
Dependent Claim 40 words
The process according to claim 46 or claim 49 or claim 53 wherein said Group VIII metal is present in an effective amount between about 0.1 wt. % and 2 wt. %, based on the total weight of the catalyst.
Claim 58
Dependent Claim 28 words
The process according to claim 54 wherein said effective amount between about 0.2 wt. % and about 1.2 wt. %, based on the total weight of the catalyst.
Claim 59
Dependent Claim 28 words
The process according to claim 55 wherein said effective amount between about 0.2 wt. % and about 0.8 wt. %, based on the total weight of the catalyst.
Claim 60
Dependent Claim 30 words
The process according to claim 54 wherein said Group VIII metal is at least one metal selected from the group consisting of Pt, Ir, Pd, Rh, Ru and mixtures thereof.
Claim 61
Dependent Claim 24 words
The process according to claim 57 wherein said Group VIII metal is selected from the group consisting of platinum and iridium and mixtures thereof.
Claim 62
Dependent Claim 68 words
The process according to claim 57 wherein at least two metal components are present wherein said weight ratio of said first metal to said second metal is between about 1:5 and about 5:1, said first metal is selected from the group consisting of at least one of Pt, Ir, Pd, Rh and Ru and said second metal is selected from the group consisting of rhenium, tungsten and tin.
Claim 63
Dependent Claim 38 words
The process of claim 46 or claim 49 or claim 53 wherein said MP-NZMS is selected from the group consisting of ELAPSOs, CoAPSOs, FeAPSOs, MgAPSOs, MnAPSOs, TiAPSOs, ZnAPSOs, CoMgAPSOs, CoMgMnAPSOs, SAPOs, MeAPOs, TAPOs, FAPOs, ELAPOs and mixtures thereof.
Claim 64
Dependent Claim 26 words
The process of claim 60 wherein said MP-NZMS is selected from the group consisting of MeAPOs, ELAPOs, FeAPSOs, MgAPSOs, MnAPSOs, TiAPSOs, ZnAPSOs, SAPOs and mixtures thereof.
Claim 65
Dependent Claim 22 words
The process of claim 61 wherein said MP-NZMS is selected from the group consisting of SAPO-11, SAPO-31, SAPO-40, SAPO-41, and mixtures thereof.
Claim 66
Dependent Claim 46 words
The process of claim 60 wherein said MP-NZMS is selected from the group consisting of CoAPSO-11, CoAPSO-31, CoAPSO-40, CoAPSO-41, FeAPSO-11, FeAPSO-31, FeAPSO-40, FeAPSO-41, MgAPSO-11, MgAPSO-31, MgAPSO-40, MgAPSO-41, MnAPSO-11, MnAPSO-31, MnAPSO-40, MnAPSO-41, TiAPSO-11, TiAPSO-31, TiAPSO-40, TiAPSO-41, ZnAPSO-11, ZnAPSO-31, ZnAPSO-40, ZnAPSO-41, CoMgAPSO-11, CoMgAPSO-31, CoMnMgAPSO-11, CoMnMgAPSO-31, and mixtures thereof.
Claim 67
Dependent Claim 28 words
The process of claim 60 wherein said MP-NZMS is selected from the group consisting of MeAPO-11, MeAPO-31, TAPO-11, TAPO-31, FAPO-11, FAPO-31, ELAPO-11, ELAPO-31, ELAPO-40, ELAPO-41 and mixtures thereof.
Claim 68
Dependent Claim 20 words
The process of claim 64 wherein "Me" is selected from the group consisting of magnesium, manganese, zinc and mixtures thereof.
Claim 69
Dependent Claim 19 words
The process of claim 65 wherein "Me" is selected from the group consisting of magnesium, manganese and mixtures thereof.

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