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GB982509A - Improvements in and relating to the production of ultra pure hydrogen - Google Patents

Improvements in and relating to the production of ultra pure hydrogen

Info

Publication number
GB982509A
GB982509A GB3402863A GB3402863A GB982509A GB 982509 A GB982509 A GB 982509A GB 3402863 A GB3402863 A GB 3402863A GB 3402863 A GB3402863 A GB 3402863A GB 982509 A GB982509 A GB 982509A
Authority
GB
United Kingdom
Prior art keywords
hydrogen
gas
gaseous mixture
tube
membrane
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
GB3402863A
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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
Priority to US269831A priority Critical patent/US3254956A/en
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Priority to GB3402863A priority patent/GB982509A/en
Publication of GB982509A publication Critical patent/GB982509A/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
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/501—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
    • 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
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • 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
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0405—Purification by membrane separation
    • C01B2203/041—In-situ membrane purification during hydrogen production
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/047—Composition of the impurity the impurity being carbon monoxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0475—Composition of the impurity the impurity being carbon dioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Ultra pure hydrogen is produced from a gas or gaseous mixture containing a component catalytically decomposable or convertible into hydrogen, only in part hydrogen atoms and no more than one carbon atom per gaseous molecule, by introducing the gas or gaseous mixture into a diffusion cell, heating and concurrently passing the gas over a heated catalyst surface within the cell to rapidly dissociate the gas into a mixture containing hydrogen as a separate component, passing the hydrogen through a metal hydrogen diffusion membrane or tube within the cell and continuously removing the ultra pure hydrogen as rapidly as it is formed whilst withdrawing the residual component of the original gas in a form substantially depleted of hydrogen. The membrane or tube, which is jacketed by the catalyst mass and which may be of palladium or palladium-silver alloy, is either heated by the heat supplied to produce decomposition or dissociation or is directly heated and supplies the heat to produce decomposition or dissociation of the gas or gaseous mixture. To prevent surface poisoning of the membrane or tube by metallic sulphides and unsaturated or olefinic compounds, the gas or gaseous mixture, which may be preheated, must be free of sulphur atoms and molecules containing more than one carbon atom. The gas or gaseous mixture may include at least one of the gases ammonia, methane, methanol, carbon monoxide and carbon dioxide, and examples are given of hydrogen production by catalytically dissociating ammonia and steam reforming methane and methanol. U.S.A. Specification 2,773,561 is referred to.
GB3402863A 1963-03-14 1963-08-28 Improvements in and relating to the production of ultra pure hydrogen Expired GB982509A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US269831A US3254956A (en) 1963-03-14 1963-03-14 Production of ultra pure hydrogen
GB3402863A GB982509A (en) 1963-08-28 1963-08-28 Improvements in and relating to the production of ultra pure hydrogen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3402863A GB982509A (en) 1963-08-28 1963-08-28 Improvements in and relating to the production of ultra pure hydrogen

Publications (1)

Publication Number Publication Date
GB982509A true GB982509A (en) 1965-02-03

Family

ID=10360465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3402863A Expired GB982509A (en) 1963-03-14 1963-08-28 Improvements in and relating to the production of ultra pure hydrogen

Country Status (1)

Country Link
GB (1) GB982509A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354127A1 (en) * 1976-06-11 1978-01-06 Exxon Research Engineering Co ELIMINATION OF GAS IN INDUSTRIAL GAS PRODUCTS USING A MEMBRANE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354127A1 (en) * 1976-06-11 1978-01-06 Exxon Research Engineering Co ELIMINATION OF GAS IN INDUSTRIAL GAS PRODUCTS USING A MEMBRANE

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