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US3850840A Expired / Lapsed US ⏱️ 0.0 years remaining

Water gas shift process

Assignee: Individual
•
Filing: 1972-02-11
•
Granted: 1974-11-26
•
Expires: 1992-02-11
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Abstract

Abstract 1. A PROCESS FOR THE PREPARATION OF HYDROGEN AND CARBON DIOXIDE WHICH COMPRISES (A) CONTACTING CARBON MONOXIDE AND STREAM WITH A CHROMIA-PROMOTED FERRIC OXIDE CATALYST TO FORM A REACTION MIXTURE, SAID CONTACTING BEING CONDUCTED AT A TEMPERATURE ABOVE THE BEW POINT TEMPERATURE OF THE REACTION MIXTURE AND IN THE RANGE OF ABOUT 600* TO ABOUT 1000* F. AND A PRESSURE BELOW THE DEW POINT PRESSURE OF THE REACTION MIXTURE AND IN THE RANGE OF ABOUT ATMOSPHERIC TO ABOUT 3000 P.S.I.G.; AND (B) CONTACTING AT LEAST A PORTION OF THE EFFUENT FROM STEP (A) AT A TEMPERATURE ABOVE THE DEW POINT TEMPERATURE OF THE REACTION MIXTURE AND VARYING FROM ABOUT 200* TO 700* F. AND AT A PRESSURE BELOW THE DEW POINT PRESSURE OF THE REACTION MIXTURE AND RANGING FROM ABOUT ATMOSPHERIC TO ABOUT 3000 P.S.I.G. WITH A CATALYST COMPRISING (I) AN ALKALI METAL COMPOUND DERIVED FROM AN ACIDIC HAVING AN IONIZATION CONSTANT OF LESS THAN ABOUT 1X10-3, AND (II) A HYDROGENATION-DEHYDROGENATION COMPONENT SELECTED FROM THE GROUP CONSISTING OF (A) A METAL COMPOSITION COMPRISING VANADIUM, MOLYBDENUM, TUNGSTEN, COBALT, TANTALUM OR NIOBIUM MATERIALS OR MIXTURES THEREOF OR (B) MIXTURES OF MATERIALS COMPRISING A VANADIUM, MOLYBDENUM, TUNGSTEN, COBALT, TANTALUM OR NIOBIUMM MATERIALS OR MIXTURES THEREOF WITH A NICKEL, IRON OR CHROMIUM MATERIAL OR MIXTURES THEREOF, THE WEIGHT RATIO OF SAID HYDROGENERATION-DEHYDROGENATION COMPONENT TO SAID ALKALI METAL COMPOUND, EACH CALCUATED ON THE BASIS OF THE OXIDES THEREOF, BEING LESS THAN 5:1.

Inventors

  • 👤 C Aldridge
  • 👤 T Kalina

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 05:18
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8878; B01J23/888; B01J23/8885; C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/12; C01B3/16; C10; C10K; C10K3/00; C10K3/02; C10K3/04; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 236 words
A PROCESS FOR THE PREPARATION OF HYDROGEN AND CARBON DIOXIDE WHICH COMPRISES (A) CONTACTING CARBON MONOXIDE AND STREAM WITH A CHROMIA-PROMOTED FERRIC OXIDE CATALYST TO FORM A REACTION MIXTURE, SAID CONTACTING BEING CONDUCTED AT A TEMPERATURE ABOVE THE BEW POINT TEMPERATURE OF THE REACTION MIXTURE AND IN THE RANGE OF ABOUT 600* TO ABOUT 1000* F. AND A PRESSURE BELOW THE DEW POINT PRESSURE OF THE REACTION MIXTURE AND IN THE RANGE OF ABOUT ATMOSPHERIC TO ABOUT 3000 P.S.I.G.; AND (B) CONTACTING AT LEAST A PORTION OF THE EFFUENT FROM STEP (A) AT A TEMPERATURE ABOVE THE DEW POINT TEMPERATURE OF THE REACTION MIXTURE AND VARYING FROM ABOUT 200* TO 700* F. AND AT A PRESSURE BELOW THE DEW POINT PRESSURE OF THE REACTION MIXTURE AND RANGING FROM ABOUT ATMOSPHERIC TO ABOUT 3000 P.S.I.G. WITH A CATALYST COMPRISING (I) AN ALKALI METAL COMPOUND DERIVED FROM AN ACIDIC HAVING AN IONIZATION CONSTANT OF LESS THAN ABOUT 1X10-3, AND (II) A HYDROGENATION-DEHYDROGENATION COMPONENT SELECTED FROM THE GROUP CONSISTING OF (A) A METAL COMPOSITION COMPRISING VANADIUM, MOLYBDENUM, TUNGSTEN, COBALT, TANTALUM OR NIOBIUM MATERIALS OR MIXTURES THEREOF OR (B) MIXTURES OF MATERIALS COMPRISING A VANADIUM, MOLYBDENUM, TUNGSTEN, COBALT, TANTALUM OR NIOBIUMM MATERIALS OR MIXTURES THEREOF WITH A NICKEL, IRON OR CHROMIUM MATERIAL OR MIXTURES THEREOF, THE WEIGHT RATIO OF SAID HYDROGENERATION-DEHYDROGENATION COMPONENT TO SAID ALKALI METAL COMPOUND, EACH CALCUATED ON THE BASIS OF THE OXIDES THEREOF, BEING LESS THAN 5:1.
Claim 2
Dependent Claim 236 words
A PROCESS FOR THE PREPARATION OF HYDROGEN AND CARBON DIOXIDE WHICH COMPRISES (A) CONTACTING CARBON MONOXIDE AND STREAM WITH A CHROMIA-PROMOTED FERRIC OXIDE CATALYST TO FORM A REACTION MIXTURE, SAID CONTACTING BEING CONDUCTED AT A TEMPERATURE ABOVE THE BEW POINT TEMPERATURE OF THE REACTION MIXTURE AND IN THE RANGE OF ABOUT 600* TO ABOUT 1000* F. AND A PRESSURE BELOW THE DEW POINT PRESSURE OF THE REACTION MIXTURE AND IN THE RANGE OF ABOUT ATMOSPHERIC TO ABOUT 3000 P.S.I.G.; AND (B) CONTACTING AT LEAST A PORTION OF THE EFFUENT FROM STEP (A) AT A TEMPERATURE ABOVE THE DEW POINT TEMPERATURE OF THE REACTION MIXTURE AND VARYING FROM ABOUT 200* TO 700* F. AND AT A PRESSURE BELOW THE DEW POINT PRESSURE OF THE REACTION MIXTURE AND RANGING FROM ABOUT ATMOSPHERIC TO ABOUT 3000 P.S.I.G. WITH A CATALYST COMPRISING (I) AN ALKALI METAL COMPOUND DERIVED FROM AN ACIDIC HAVING AN IONIZATION CONSTANT OF LESS THAN ABOUT 1X10-3, AND (II) A HYDROGENATION-DEHYDROGENATION COMPONENT SELECTED FROM THE GROUP CONSISTING OF (A) A METAL COMPOSITION COMPRISING VANADIUM, MOLYBDENUM, TUNGSTEN, COBALT, TANTALUM OR NIOBIUM MATERIALS OR MIXTURES THEREOF OR (B) MIXTURES OF MATERIALS COMPRISING A VANADIUM, MOLYBDENUM, TUNGSTEN, COBALT, TANTALUM OR NIOBIUMM MATERIALS OR MIXTURES THEREOF WITH A NICKEL, IRON OR CHROMIUM MATERIAL OR MIXTURES THEREOF, THE WEIGHT RATIO OF SAID HYDROGENERATION-DEHYDROGENATION COMPONENT TO SAID ALKALI METAL COMPOUND, EACH CALCUATED ON THE BASIS OF THE OXIDES THEREOF, BEING LESS THAN 5:1.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-25 1978-05-27 1978-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-25 1982-05-27 1982-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-25 1986-05-27 1986-11-26 $7700.00 Window Closed / Lapsed

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