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US4214980A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic hydroreforming process

Assignee: Pro Catalyse SA
•
Filing: 1977-12-09
•
Granted: 1980-07-29
•
Expires: 1997-12-09
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Abstract

Abstract Process for reforming hydrocarbons or producing aromatic hydrocarbons under severe operating conditions, in the presence of a catalyst comprising an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% of platinum (b) from 0.01 to 2% of rhenium (c) from 0.05 to 3% of thallium or indium, and (d) from 0.1 to 10% of a halogen.

Inventors

  • 👤 Jean-Francois Le Page
  • 👤 Germain Martino
  • 👤 Jean Miquel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 09:56
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/656; B01J23/6567; B01J27/00; B01J27/06; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09

Claims Analysis

Total Claims: 48
Claim 1
Independent Claim 90 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst comprising an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% of platinum, (b) from 0.01 to 2% of rhenium,
Claim 2
Dependent Claim 90 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst comprising an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% of platinum, (b) from 0.01 to 2% of rhenium,
Claim 3
Dependent Claim 17 words
(c) from 0.05 to 3% of thallium or indium, and (d) from 0.1 to 10% of halogen.
Claim 4
Dependent Claim 17 words
(c) from 0.05 to 3% of thallium or indium, and (d) from 0.1 to 10% of halogen.
Claim 5
Dependent Claim 27 words
A process according to claim 1, said catalyst containing 0.1 to 0.3% of platinum, 0.1 to 0.25% of rhenium and 0.07 to 2% of thallium or indium.
Claim 6
Dependent Claim 17 words
A process according to claim 2, said catalyst containing from 0.3 to 0.6% of thallium or indium.
Claim 7
Dependent Claim 10 words
A process according to claim 3, said catalyst containing thallium.
Claim 8
Dependent Claim 10 words
A process according to claim 3, said catalyst containing indium.
Claim 9
Dependent Claim 22 words
A process according to claim 1, wherein the operation is conducted in at least one reaction zone with a moving catalyst bed.
Claim 10
Dependent Claim 21 words
A reforming process according to claim 1, whereby a gasoline having a clear octane number of at least 102 is obtained.
Claim 11
Dependent Claim 59 words
A process according to claim 1 for reforming hydrocarbons wherein the starting hydrocarbon is a naphtha distilling between about 60° and 220°, the average temperature is from about 510° to 580° C. and the pressure is about 5 to 18 kg/cm 2 , and the recycle rate is from 6 to 10 moles of hydrogen per mole of charge.
Claim 12
Dependent Claim 16 words
A process according to claim 8 wherein the pressure is 6 to 13 kg/cm 2 .
Claim 13
Dependent Claim 50 words
A process according to claim 1 for producing aromatic hydrocarbons wherein the starting material is a gasoline free of diolefins and mono-olefins, the reaction temperature is 530° to 600°, the pressure from 1 to 13 kg/cm 2 and the molar ratio of hydrogen to hydrocarbons is about 6 to 20.
Claim 14
Dependent Claim 19 words
A process according to claim 1 wherein the specific surface of the alumina is 50-600 square meters per gram.
Claim 15
Dependent Claim 18 words
A process according to claim 1 wherein the specific surface of the alumina is 150-400 meters per gram.
Claim 16
Dependent Claim 105 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst comprising an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% of platinum, (b) from 0.01 to 2% of rhenium, (c) from 0.05 to 3% of thallium, and (d) from 0.1 to 10% of halogen.
Claim 17
Dependent Claim 105 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst comprising an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% of platinum, (b) from 0.01 to 2% of rhenium, (c) from 0.05 to 3% of thallium, and (d) from 0.1 to 10% of halogen.
Claim 18
Dependent Claim 25 words
A process according to claim 13, said catalyst containing 0.1 to 0.3% of platinum, 0.1 to 0.25% of rhenium and 0.07 to 2% of thallium.
Claim 19
Dependent Claim 15 words
A process according to claim 14, said catalyst containing from 0.3 to 0.6% of thallium.
Claim 20
Dependent Claim 22 words
A process according to claim 13, wherein the operation is conducted in at least one reaction zone with a moving catalyst bed.
Claim 21
Dependent Claim 21 words
A reforming process according to claim 13, whereby a gasoline having a clear octane number of at least 102 is obtained.
Claim 22
Dependent Claim 59 words
A process according to claim 13 for reforming hydrocarbons, wherein the starting hydrocarbon is a naphtha distilling between about 60° and 220°, the average temperature is from about 510° to 580° C. and the pressure is about 5 to 18 kg/cm 2 , and the recycle rate is from 6 to 10 moles of hydrogen per mole of charge.
Claim 23
Dependent Claim 16 words
A process according to claim 18, wherein the pressure is 6 to 13 kg/cm 2 .
Claim 24
Dependent Claim 50 words
A process according to claim 13 for producing aromatic hydrocarbons wherein the starting material is a gasoline free of diolefins and mono-olefins, the reaction temperature is 530° to 600°, the pressure from 1 to 13 kg/cm 2 and the molar ratio of hydrogen to hydrocarbons is about 6 to 20.
Claim 25
Dependent Claim 19 words
A process according to claim 13, wherein the specific surface of the alumina is 50-600 square meters per gram.
Claim 26
Dependent Claim 18 words
A process according to claim 13, wherein the specific surface of the alumina is 150-400 meters per gram.
Claim 27
Dependent Claim 106 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst consisting essentially of an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% platinum, (b) from 0.01 to 2% of rhenium, (c) from 0.05 to 3% of indium, and (d) from 0.1 to 10% of halogen.
Claim 28
Dependent Claim 106 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst consisting essentially of an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% platinum, (b) from 0.01 to 2% of rhenium, (c) from 0.05 to 3% of indium, and (d) from 0.1 to 10% of halogen.
Claim 29
Dependent Claim 25 words
A process according to claim 23, said catalyst containing 0.1 to 0.3% of platinum, 0.1 to 0.25% of rhenium and 0.07 to 2% of indium.
Claim 30
Dependent Claim 15 words
A process according to claim 24, said catalyst containing from 0.3 to 0.6% of indium.
Claim 31
Dependent Claim 22 words
A process according to claim 23, wherein the operation is conducted in at least one reaction zone with a moving catalyst bed.
Claim 32
Dependent Claim 21 words
A reforming process according to claim 23, whereby a gasoline having a clear octane number of at least 102 is obtained.
Claim 33
Dependent Claim 59 words
A process according to claim 23 for reforming hydrocarbons, wherein the starting hydrocarbon is a naphtha distilling between about 60° to 220°, the average temperature is from about 510° to 580° C. and the pressure is about 5 to 18 kg/cm 2 , and the recycle rate is from 6 to 10 moles of hydrogen per mole of charge.
Claim 34
Dependent Claim 16 words
A process according to claim 28, wherein the pressure is 6 to 13 kg/cm 2 .
Claim 35
Dependent Claim 50 words
A process according to claim 23 for producing aromatic hydrocarbons wherein the starting material is a gasoline free of diolefins and mono-olefins, the reaction temperature is 530° to 600°, the pressure from 1 to 13 kg/cm 2 and the molar ratio of hydrogen to hydrocarbons is about 6 to 20.
Claim 36
Dependent Claim 19 words
A process according to claim 23, wherein the specific surface of the alumina is 50-600 square meters per gram.
Claim 37
Dependent Claim 18 words
A process according to claim 23, wherein the specific surface of the alumina is 150-400 meters per gram.
Claim 38
Dependent Claim 107 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst consisting essentially of an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% of platinum, (b) from 0.01 to 2% of rhenium, (c) from 0.05 to 3% of thallium, and (d) from 0.1 to 10% of halogen.
Claim 39
Dependent Claim 107 words
A process for reforming hydrocarbons or producing aromatic hydrocarbons at a temperature from 510° to 600° C. under a pressure from 1 to 18 kg/cm 2 , at an hourly space velocity of from 1 to 10 volumes of liquid charge per volume of catalyst, the molar ratio hydrogen/hydrocarbon being from 5 to 20, said process being conducted in the presence of a catalyst consisting essentially of an alumina carrier and, expressed by weight with respect to alumina: (a) from 0.05 to 0.6% of platinum, (b) from 0.01 to 2% of rhenium, (c) from 0.05 to 3% of thallium, and (d) from 0.1 to 10% of halogen.
Claim 40
Dependent Claim 25 words
A process according to claim 33, said catalyst containing 0.1 to 0.3% of platinum, 0.1 to 0.25% of rhenium and 0.07 to 2% of thallium.
Claim 41
Dependent Claim 15 words
A process according to claim 34, said catalyst containing from 0.3 to 0.6% of thallium.
Claim 42
Dependent Claim 22 words
A process according to claim 33, wherein the operation is conducted in at least one reaction zone with a moving catalyst bed.
Claim 43
Dependent Claim 21 words
A reforming process according to claim 33, whereby a gasoline having a clear octane number of at least 102 is obtained.
Claim 44
Dependent Claim 59 words
A process according to claim 33 for reforming hydrocarbons wherein the starting hydrocarbon is a naphtha distilling between about 60° and 220°, the average temperature is from about 510° to 580° C. and the pressure is about 5 to 18 kg/cm 2 , and the recycle rate is from 6 to 10 moles of hydrogen per mole of charge.
Claim 45
Dependent Claim 16 words
A process according to claim 38, wherein the pressure is 6 to 13 kg/cm 2 .
Claim 46
Dependent Claim 50 words
A process according to claim 33 for producing aromatic hydrocarbons wherein the starting material is a gasoline free of diolefins and mono-olefins, the reaction temperature is 530° to 600°, the pressure from 1 to 13 kg/cm 2 and the molar ratio of hydrogen to hydrocarbons is about 6 to 20.
Claim 47
Dependent Claim 19 words
A process according to claim 33, wherein the specific surface of the alumina is 50-600 square meters per gram.
Claim 48
Dependent Claim 18 words
A process according to claim 33, wherein the specific surface of the alumina is 150-400 meters per gram.

References Cited (Backward Citations)

US3415737A Cited
US3871995A Cited
US4110200A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-07-29 1984-01-28 1984-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-07-29 1988-01-28 1988-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-07-29 1992-01-28 1992-07-29 $7700.00 Window Closed / Lapsed

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