GB703441A - Process for the production of hydrogen/carbon dioxide mixtures - Google Patents

Process for the production of hydrogen/carbon dioxide mixtures

Info

Publication number
GB703441A
GB703441A GB13276/51A GB1327651A GB703441A GB 703441 A GB703441 A GB 703441A GB 13276/51 A GB13276/51 A GB 13276/51A GB 1327651 A GB1327651 A GB 1327651A GB 703441 A GB703441 A GB 703441A
Authority
GB
United Kingdom
Prior art keywords
fe2o3
gamma
chromium
mixture
oxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB13276/51A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Directie van de Staatsmijnen in Limburg
Original Assignee
Directie van de Staatsmijnen in Limburg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Directie van de Staatsmijnen in Limburg filed Critical Directie van de Staatsmijnen in Limburg
Publication of GB703441A publication Critical patent/GB703441A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
    • C01B3/16—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Catalysts (AREA)

Abstract

Carbon dioxide and hydrogen are produced by passing a mixture of steam and carbon monoxide preferably at atmospheric pressure and below 400 DEG C. over an iron oxide catalyst which oxide consists mainly of gamma-Fe2O3, or an oxide of a lower oxidation stage of gamma-Fe2O3. The catalyst may be prepared from <FORM:0703441/III/1> which has been precipitated from an equimolecular mixture of a ferric and a ferrous salt. The precipitate is converted to gamma-Fe2O3 by heating to a temperature below 330 DEG C. Alternatively alpha Fe2O3 may be reduced to Fe3O4 and this oxidized below 330 DEG C. to alpha Fe2O3. The addition of chromium oxide retards conversion of gamma to alpha Fe2O3 and chromium containing catalysts may be heated to 480 DEG C. The chromium may be added to the mixture of the iron salts, to be precipitated therewith, or added to the precipitate, preferably as ammonium chromate or bichromate. If desired, potassium bichromate may be added to a ferrous salt solution acidified with sulphuric acid giving a chromium-containing mixture of ferric and ferrous sulphate which is precipitated and heated to below 480 DEG C. The catalyst, which under operating conditions is converted to Fe3O4, may be regenerated by heating in air or oxygen below 330 DEG C.
GB13276/51A 1950-06-05 1951-06-05 Process for the production of hydrogen/carbon dioxide mixtures Expired GB703441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL703441X 1950-06-05

Publications (1)

Publication Number Publication Date
GB703441A true GB703441A (en) 1954-02-03

Family

ID=19812001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13276/51A Expired GB703441A (en) 1950-06-05 1951-06-05 Process for the production of hydrogen/carbon dioxide mixtures

Country Status (4)

Country Link
BE (1) BE503717A (en)
FR (1) FR1038119A (en)
GB (1) GB703441A (en)
NL (1) NL70261C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057583B (en) * 1956-12-05 1959-05-21 Couleurs De Provence Soc D Process for the preparation of catalysts composed of mixed oxides of iron and chromium
CN112569952A (en) * 2020-11-17 2021-03-30 上海应用技术大学 Samarium-doped iron oxide SCR denitration catalyst and preparation method and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057583B (en) * 1956-12-05 1959-05-21 Couleurs De Provence Soc D Process for the preparation of catalysts composed of mixed oxides of iron and chromium
CN112569952A (en) * 2020-11-17 2021-03-30 上海应用技术大学 Samarium-doped iron oxide SCR denitration catalyst and preparation method and application thereof

Also Published As

Publication number Publication date
FR1038119A (en) 1953-09-25
NL70261C (en)
BE503717A (en)

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