NO850837L - Fremgangsmaate for fremstilling av ammoniakksyntesegass - Google Patents

Fremgangsmaate for fremstilling av ammoniakksyntesegass

Info

Publication number
NO850837L
NO850837L NO850837A NO850837A NO850837L NO 850837 L NO850837 L NO 850837L NO 850837 A NO850837 A NO 850837A NO 850837 A NO850837 A NO 850837A NO 850837 L NO850837 L NO 850837L
Authority
NO
Norway
Prior art keywords
ammonia
procedure
preparation
synthesic gas
synthesic
Prior art date
Application number
NO850837A
Other languages
English (en)
Other versions
NO169830B (no
NO169830C (no
Inventor
Alwyn Pinto
John Brian Hansen Johnson
Original Assignee
Ici 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 claimed from GB848405591A external-priority patent/GB8405591D0/en
Priority claimed from GB848417016A external-priority patent/GB8417016D0/en
Priority claimed from GB848417017A external-priority patent/GB8417017D0/en
Priority claimed from GB848425508A external-priority patent/GB8425508D0/en
Application filed by Ici Plc filed Critical Ici Plc
Publication of NO850837L publication Critical patent/NO850837L/no
Publication of NO169830B publication Critical patent/NO169830B/no
Publication of NO169830C publication Critical patent/NO169830C/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/025Preparation or purification of gas mixtures for ammonia synthesis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047Pressure swing adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/106Silica or silicates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/10Single element gases other than halogens
    • B01D2257/104Oxygen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/10Single element gases other than halogens
    • B01D2257/11Noble gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702Hydrocarbons
    • B01D2257/7022Aliphatic hydrocarbons
    • B01D2257/7025Methane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40001Methods relating to additional, e.g. intermediate, treatment of process gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40013Pressurization
    • B01D2259/40015Pressurization with two sub-steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/4002Production
    • B01D2259/40022Production with two sub-steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40028Depressurization
    • B01D2259/4003Depressurization with two sub-steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40035Equalization
    • B01D2259/40037Equalization with two sub-steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043Purging
    • B01D2259/40045Purging with two sub-steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043Purging
    • B01D2259/4005Nature of purge gas
    • B01D2259/40052Recycled product or process gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043Purging
    • B01D2259/4005Nature of purge gas
    • B01D2259/40056Gases other than recycled product or process gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40071Nine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40073Ten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40011Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40077Direction of flow
    • B01D2259/40081Counter-current
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/401Further details for adsorption processes and devices using a single bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/404Further details for adsorption processes and devices using four beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/406Further details for adsorption processes and devices using more than four beds
    • B01D2259/4067Further details for adsorption processes and devices using more than four beds using ten beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/0205Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/0283Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/0283Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step
    • C01B2203/0288Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step containing two CO-shift steps
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/042Purification by adsorption on solids
    • C01B2203/043Regenerative adsorption process in two or more beds, one for adsorption, the other for regeneration
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0435Catalytic purification
    • C01B2203/044Selective oxidation of carbon monoxide
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0435Catalytic purification
    • C01B2203/0445Selective methanation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465Composition of the impurity
    • C01B2203/047Composition of the impurity the impurity being carbon monoxide
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465Composition of the impurity
    • C01B2203/0475Composition of the impurity the impurity being carbon dioxide
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465Composition of the impurity
    • C01B2203/0495Composition of the impurity the impurity being water
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/06Integration with other chemical processes
    • C01B2203/068Ammonia synthesis
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C01B2203/0816Heating by flames
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C01B2203/0822Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel the fuel containing hydrogen
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C01B2203/0827Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel at least part of the fuel being a recycle stream
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0838Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel
    • C01B2203/0844Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel the non-combustive exothermic reaction being another reforming reaction as defined in groups C01B2203/02 - C01B2203/0294
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0866Methods of heating the process for making hydrogen or synthesis gas by combination of different heating methods
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0872Methods of cooling
    • C01B2203/0883Methods of cooling by indirect heat exchange
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041Composition of the catalyst
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041Composition of the catalyst
    • C01B2203/1047Group VIII metal catalysts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041Composition of the catalyst
    • C01B2203/1047Group VIII metal catalysts
    • C01B2203/1052Nickel or cobalt catalysts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041Composition of the catalyst
    • C01B2203/1076Copper or zinc-based catalysts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205Composition of the feed
    • C01B2203/1211Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235Hydrocarbons
    • C01B2203/1241Natural gas or methane
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1276Mixing of different feed components
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14Details of the flowsheet
    • C01B2203/146At least two purification steps in series
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14Details of the flowsheet
    • C01B2203/146At least two purification steps in series
    • C01B2203/147Three or more purification steps in series
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14Details of the flowsheet
    • C01B2203/148Details of the flowsheet involving a recycle stream to the feed of the process for making hydrogen or synthesis gas
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/80Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
    • C01B2203/82Several process steps of C01B2203/02 - C01B2203/08 integrated into a single apparatus
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/80Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
    • C01B2203/84Energy production
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/20Capture or disposal of greenhouse gases of methane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/151Reduction of greenhouse gas [GHG] emissions, e.g. CO2
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/151Reduction of greenhouse gas [GHG] emissions, e.g. CO2
    • Y02P20/156Methane [CH4]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
NO850837A 1984-03-02 1985-03-01 Fremgangsmaate for fremstilling av ammoniakksyntesegass NO169830C (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB848405591A GB8405591D0 (en) 1984-03-02 1984-03-02 Hydrogen
GB848417016A GB8417016D0 (en) 1984-07-04 1984-07-04 Hydrogen
GB848417017A GB8417017D0 (en) 1984-07-04 1984-07-04 Ammonia production
GB848425508A GB8425508D0 (en) 1984-10-09 1984-10-09 Ammonia synthesis gas

Publications (3)

Publication Number Publication Date
NO850837L true NO850837L (no) 1985-09-03
NO169830B NO169830B (no) 1992-05-04
NO169830C NO169830C (no) 1992-08-12

Family

ID=27449535

Family Applications (1)

Application Number Title Priority Date Filing Date
NO850837A NO169830C (no) 1984-03-02 1985-03-01 Fremgangsmaate for fremstilling av ammoniakksyntesegass

Country Status (10)

Country Link
US (2) US4695442A (no)
EP (1) EP0157480B1 (no)
JP (3) JPH0735241B2 (no)
AU (1) AU576822B2 (no)
CA (1) CA1257206A (no)
DE (1) DE3571797D1 (no)
IN (2) IN163106B (no)
NO (1) NO169830C (no)
NZ (1) NZ211185A (no)
ZW (1) ZW2685A1 (no)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4755361A (en) * 1984-02-07 1988-07-05 Union Carbide Corporation Apparatus for ammonia synthesis gas production
US4778670A (en) * 1984-03-02 1988-10-18 Imperial Chemical Industries Plc Technical hydrogen
GB8521649D0 (en) * 1985-08-30 1985-10-02 Ici Plc Hydrogen production
US4721611A (en) * 1984-03-02 1988-01-26 Imperial Chemical Industries Plc Hydrogen production
GB8519821D0 (en) * 1985-08-07 1985-09-11 Ici Plc Hydrogen streams
GB8513997D0 (en) * 1985-06-04 1985-07-10 Ici Plc Technical hydrogen
GB8426393D0 (en) * 1984-10-18 1984-11-21 Ici Plc Gas recovery
DE3679090D1 (de) * 1985-03-08 1991-06-13 Ici Plc Synthesegas.
GB8616185D0 (en) * 1986-07-02 1986-08-06 Ici Plc Pressure control
GB8620686D0 (en) * 1986-08-27 1986-10-08 Ici Plc Nitrogen production
GB8629031D0 (en) * 1986-12-04 1987-01-14 Shell Int Research Producing hydrogen
DE3719780A1 (de) * 1987-06-13 1988-12-22 Uhde Gmbh Verfahren zur herstellung von ammoniak aus erdgas
US4813980A (en) * 1987-10-16 1989-03-21 Air Products And Chemicals, Inc. Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarbon reformate
US4846851A (en) * 1987-10-27 1989-07-11 Air Products And Chemicals, Inc. Purification of ammonia syngas
US4792441A (en) * 1988-01-19 1988-12-20 Air Products And Chemicals, Inc. Ammonia synthesis
GB8803766D0 (en) * 1988-02-18 1988-03-16 Ici Plc Methanol
US4988490A (en) * 1988-09-14 1991-01-29 Air Products And Chemicals, Inc. Adsorptive process for recovering nitrogen from flue gas
DD295741A7 (de) * 1989-04-05 1991-11-14 Stickstoffwerke Ag Wittenberg,De Verfahren zur steuerung des methan- und edelgasgehaltes eines ammoniak-wasserstoffrueckgewinnung-edelgas-komplexes
GB9000389D0 (en) * 1990-01-08 1990-03-07 Ici Plc Steam reforming
US5256172A (en) * 1992-04-17 1993-10-26 Keefer Bowie Thermally coupled pressure swing adsorption
FR2718979B1 (fr) * 1994-04-20 1996-06-07 Air Liquide Procédé de redémarrage d'un récipient de purification d'hydrogène par adsorption, et son application au traitement de certains gaz contenant de l'hydrogène.
US5882380A (en) * 1997-05-14 1999-03-16 Air Products And Chemicals, Inc. Pressure swing adsorption process with a single adsorbent bed
JP4013007B2 (ja) * 1998-08-28 2007-11-28 大阪瓦斯株式会社 水素−窒素混合ガスの製造方法およびその装置
US6086840A (en) * 1998-11-25 2000-07-11 Whitney; John P. Process for making ammonia from heterogeneous feedstock
US6379645B1 (en) * 1999-10-14 2002-04-30 Air Products And Chemicals, Inc. Production of hydrogen using methanation and pressure swing adsorption
JP2002037605A (ja) * 2000-05-19 2002-02-06 Mitsubishi Heavy Ind Ltd 水素製造装置
US6749819B2 (en) * 2000-07-28 2004-06-15 Japan Pionics Co., Ltd. Process for purifying ammonia
JP4632532B2 (ja) * 2000-12-22 2011-02-16 関西電力株式会社 水素製造方法およびシステム
US20020129622A1 (en) * 2001-03-15 2002-09-19 American Air Liquide, Inc. Heat transfer fluids and methods of making and using same
JP2008247735A (ja) * 2001-04-24 2008-10-16 Osaka Gas Co Ltd 燃料改質システム
JP4934918B2 (ja) * 2001-06-28 2012-05-23 Jfeスチール株式会社 水素含有ガスの精製方法およびその装置
CA2449503C (en) * 2001-06-28 2009-08-18 Fluor Corporation Improved ammonia plant configurations and methods
FR2832141B1 (fr) * 2001-11-14 2004-10-01 Ceca Sa Procede de purification de gaz de synthese
GB0200891D0 (en) * 2002-01-16 2002-03-06 Ici Plc Hydrocarbons
GB0219735D0 (en) * 2002-08-23 2002-10-02 Boc Group Plc Utilisation of waste gas streams
GB0225961D0 (en) * 2002-11-07 2002-12-11 Johnson Matthey Plc Production of hydrocarbons
CA2523219C (en) * 2003-05-02 2012-06-12 Johnson Matthey Plc Production of hydrocarbons by steam reforming and fischer-tropsch reaction
DE102004062687A1 (de) * 2004-12-21 2006-06-29 Uhde Gmbh Verfahren zum Erzeugen von Wasserstoff und Energie aus Synthesegas
KR101140541B1 (ko) * 2005-01-12 2012-05-02 루머스 테크놀로지 인코포레이티드 Psa 흐름 변화의 향상된 제어를 위한 방법 및 장치
JP4744971B2 (ja) * 2005-07-29 2011-08-10 株式会社東芝 低質廃熱回収システム
WO2007048853A2 (de) * 2005-10-28 2007-05-03 Basf Se Verfahren zur synthese von aromatischen kohlenwasserstoffen aus c1-c4-alkanen und verwertung von c1-c4-alkan-haltigem produktstrom
US20070129450A1 (en) * 2005-11-18 2007-06-07 Barnicki Scott D Process for producing variable syngas compositions
JP2007254238A (ja) * 2006-03-24 2007-10-04 Toshiba Corp 水素の製造方法
US7739875B2 (en) * 2006-08-07 2010-06-22 General Electric Company Syngas power systems and method for use thereof
EP2135841A1 (en) * 2008-06-20 2009-12-23 Ammonia Casale S.A. Process for the production of syngas for ammonia synthesis
FR2936507B1 (fr) * 2008-09-29 2011-04-08 Inst Francais Du Petrole Procede de production d'hydrogene avec captation totale du co2 et recyclage du methane non converti
EP2172417A1 (en) * 2008-10-02 2010-04-07 Ammonia Casale S.A. Process for the production of ammonia synthesis gas
US8846559B2 (en) 2008-11-03 2014-09-30 Saudi Basic Industries Corporation Stable shape-selective catalyst for aromatic alkylation and methods of using and preparing
FR2938522B1 (fr) 2008-11-20 2010-12-17 Inst Francais Du Petrole Procede de production d'hydrogene avec captation totale du co2 et recyclage du methane non converti
EP2199254A1 (en) * 2008-12-11 2010-06-23 BP p.l.c. Integrated gas refinery
GB0910364D0 (en) 2009-06-17 2009-07-29 Johnson Matthey Plc Carbon oxides conversion process
GB0910366D0 (en) 2009-06-17 2009-07-29 Johnson Matthey Plc Methanol synthesis process
US8062987B2 (en) 2009-10-05 2011-11-22 Saudi Basic Industries Corporation Phosphorus-containing zeolite catalysts and their method of preparation
EP2404869A1 (en) 2010-07-06 2012-01-11 Ammonia Casale S.A. Process for producing ammonia synthesis gas
GB201115929D0 (en) 2011-09-15 2011-10-26 Johnson Matthey Plc Improved hydrocarbon production process
US9278342B2 (en) 2012-07-02 2016-03-08 Saudi Basic Industries Corporation Method of modifying a phosphorus-containing zeolite catalyst
EP2801550A1 (en) * 2013-05-10 2014-11-12 Ammonia Casale S.A. A process for producing ammonia synthesis gas with high temperature shift and low steam-to-carbon ratio
US20150129806A1 (en) 2013-11-08 2015-05-14 Ammonia Casale Sa Process for Producing Ammonia Synthesis Gas and a Method for Revamping a Front-End of an Ammonia Plant
EP3009186A1 (en) * 2014-10-15 2016-04-20 Haldor Topsøe A/S A reactor system with means for catalyst protection during trips or shut-down
DE102018210921A1 (de) 2018-07-03 2019-08-14 Thyssenkrupp Ag Vermeidung von VOC und HAP Emissionen aus dem Entgaser von Synthesegas verarbeitenden Anlagen
ES2831352T3 (es) 2018-09-06 2021-06-08 Air Prod & Chem Doble producción de H2 y CO con regulación de CO
DE102019204814A1 (de) 2019-04-04 2020-10-08 Thyssenkrupp Ag Reformerdoppelboden
WO2024153795A1 (en) * 2023-01-20 2024-07-25 Topsoe A/S Method for production of blue ammonia
WO2024156797A1 (en) * 2023-01-27 2024-08-02 Topsoe A/S Method for production of blue ammonia

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2033882A (en) * 1931-10-29 1936-03-10 Wingfoot Corp Rim for venting tires
US3442613A (en) * 1965-10-22 1969-05-06 Braun & Co C F Hydrocarbon reforming for production of a synthesis gas from which ammonia can be prepared
US3441393A (en) * 1966-01-19 1969-04-29 Pullman Inc Process for the production of hydrogen-rich gas
DE1792191A1 (de) * 1968-08-01 1971-10-14 Basf Ag Verfahren zur Herstellung von Wasserstoff
JPS5137078A (en) * 1974-09-24 1976-03-29 Taiyo Kaken Co Tadanko kisosetsushokusochi
GB2033882A (en) * 1978-10-30 1980-05-29 Davy Int Ltd Production of ammonia
US4375363A (en) * 1978-12-05 1983-03-01 Union Carbide Corporation Selective adsorption process for production of ammonia synthesis gas mixtures
US4409196A (en) * 1979-04-24 1983-10-11 Foster Wheeler Energy Corporation Synthesis gas for ammonia production
NL7905561A (nl) * 1979-07-17 1981-01-20 Essex Bv Ing Buero Werkwijze en inrichting voor het scheiden van gasvor- mige componenten door selectieve adsorptie.
FR2473032A1 (fr) * 1980-01-07 1981-07-10 Banquy David Procede de production d'ammoniac et du gaz de synthese correspondant
BE885126A (fr) * 1980-08-30 1981-03-09 Union Carbide Corp Production de melanges gazeux pour la synthese de l'ammoniac
US4333744A (en) * 1981-03-09 1982-06-08 Union Carbide Corporation Two-feed pressure swing adsorption process
US4414191A (en) * 1981-08-07 1983-11-08 Union Carbide Corporation Process for the production of ammonia
DE3206513A1 (de) * 1982-02-24 1983-09-01 Didier Engineering Gmbh, 4300 Essen Verfahren zur erzeugung von ammoniak-synthesegas
NZ203799A (en) * 1982-04-14 1985-12-13 Ici Plc Catalytic processes for the production of ammonia
GB2126573A (en) * 1982-09-10 1984-03-28 Humphreys & Glasgow Ltd Ammonia process
US4479925A (en) * 1982-09-13 1984-10-30 The M. W. Kellogg Company Preparation of ammonia synthesis gas
JPS59195502A (ja) * 1983-04-15 1984-11-06 Toyo Eng Corp アンモニア合成ガスの製造法
US4512780A (en) * 1983-11-08 1985-04-23 Union Carbide Corporation Pressure swing adsorption with intermediate product recovery
CA1229485A (en) * 1984-01-23 1987-11-24 Toyo Engineering Corporation Process for refining an ammonia synthesis gas
US4592860A (en) * 1984-02-07 1986-06-03 Union Carbide Corporation Process and apparatus for ammonia synthesis gas production
US4553981A (en) * 1984-02-07 1985-11-19 Union Carbide Corporation Enhanced hydrogen recovery from effluent gas streams

Also Published As

Publication number Publication date
DE3571797D1 (en) 1989-08-31
AU3908885A (en) 1985-09-05
EP0157480A2 (en) 1985-10-09
NO169830B (no) 1992-05-04
NO169830C (no) 1992-08-12
EP0157480A3 (en) 1987-03-11
IN163106B (no) 1988-08-13
JP2757977B2 (ja) 1998-05-25
JPH0640706A (ja) 1994-02-15
NZ211185A (en) 1988-09-29
US4695442A (en) 1987-09-22
JPH0640707A (ja) 1994-02-15
US4910007A (en) 1990-03-20
ZW2685A1 (en) 1986-09-24
CA1257206A (en) 1989-07-11
JPH0735241B2 (ja) 1995-04-19
AU576822B2 (en) 1988-09-08
IN169889B (no) 1992-01-04
JPS60210506A (ja) 1985-10-23
EP0157480B1 (en) 1989-07-26

Similar Documents

Publication Publication Date Title
NO850837L (no) Fremgangsmaate for fremstilling av ammoniakksyntesegass
NO165911C (no) Fremgangsmaate for fremstilling av syntesegass.
NO874764L (no) Fremgangsmaate for fremstilling av 2-aminopurinderivater.
NO851524L (no) Fremgangsmaate for fremstilling av fenetanolamin-forbindelser
TR23030A (tr) Asillendirilmis diketonik bilesiklerin ueretilmesine mahsus usul
NO169126C (no) Fremgangsmaate for fremstilling av n-formyl-alfa-aspartyl-fenylalanin
NO853066L (no) Fremgansmaate til fremstilling av 3-karbonyl-1-aminoalkyl-1h-indoler.
NO164030C (no) Fremgangsmaate for fremstilling av imidazo-rifamycin-derivater.
NO172844C (no) Fremgangsmaate for fremstilling av syntesegass
NO169441C (no) Fremgangsmaate til fremstilling av 7-oksomitosanderivater
NO165637C (no) Fremgangsmaate for fremstilling av etoksylert lignitt.
NO171373C (no) Fremgangsmaate for fremstilling av biskarbamater
NO852418L (no) Fremgangsmaate for fremstilling av aminderivater.
NO161353C (no) Fremgangsmaate for fremstilling av pastiller.
NO863769D0 (no) Fremgangsmaate for fremstilling av 4-hydroksy-2-oksopyrrolin-1-yl-acetamid.
NO864087L (no) Fremgangsmaate for fremstilling av aroylthiazoloner.
NO166709C (no) Fremgangsmaate for fremstilling av akrylamider.
NO851319L (no) Fremgangsmaate for fremstilling av eburnanderivater.
IT1184680B (it) Procedimento per la fabbricazione di polvere bordolese
RO91930A2 (ro) Procedeu pentru prepararea butirolactonei
NO173094C (no) Fremgangsmaate for fremstilling av ranitidin
NO850189L (no) Fremgangsmaate for fremstilling av cyanetylerte benzodiazepiner
NO167921C (no) Fremgangsmaate til fremstilling av 7-oksomitosan-derivater
NO171106C (no) Fremgangsmaate for fremstilling av 2-benzyl-1-nafthol
NO168806C (no) Fremgangsmaate for fremstilling av immunogent kompleks

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN SEPTEMBER 2003