AU630639B2 - Process for producing a heat treatment atmosphere by separation of air by adsorption - Google Patents

Process for producing a heat treatment atmosphere by separation of air by adsorption Download PDF

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Publication number
AU630639B2
AU630639B2 AU45561/89A AU4556189A AU630639B2 AU 630639 B2 AU630639 B2 AU 630639B2 AU 45561/89 A AU45561/89 A AU 45561/89A AU 4556189 A AU4556189 A AU 4556189A AU 630639 B2 AU630639 B2 AU 630639B2
Authority
AU
Australia
Prior art keywords
atmosphere
hydrogen
copper
water vapour
producing
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.)
Ceased
Application number
AU45561/89A
Other languages
English (en)
Other versions
AU4556189A (en
Inventor
Eric Duchateau
Philippe Queille
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9372193&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU630639(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of AU4556189A publication Critical patent/AU4556189A/en
Application granted granted Critical
Publication of AU630639B2 publication Critical patent/AU630639B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • C01B21/0405—Purification or separation processes
    • C01B21/0494—Combined chemical and physical processing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0001—Separation or purification processing
    • C01B2210/0003—Chemical processing
    • C01B2210/0006—Chemical processing by reduction
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0001—Separation or purification processing
    • C01B2210/0009—Physical processing
    • C01B2210/0014—Physical processing by adsorption in solids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0043—Impurity removed
    • C01B2210/0045—Oxygen
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/20—Capture or disposal of greenhouse gases of methane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
AU45561/89A 1988-11-24 1989-11-24 Process for producing a heat treatment atmosphere by separation of air by adsorption Ceased AU630639B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8815324A FR2639252B1 (US20020095090A1-20020718-M00002.png) 1988-11-24 1988-11-24
FR8815324 1988-11-24

Publications (2)

Publication Number Publication Date
AU4556189A AU4556189A (en) 1990-05-31
AU630639B2 true AU630639B2 (en) 1992-11-05

Family

ID=9372193

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45561/89A Ceased AU630639B2 (en) 1988-11-24 1989-11-24 Process for producing a heat treatment atmosphere by separation of air by adsorption

Country Status (10)

Country Link
EP (1) EP0370872B1 (US20020095090A1-20020718-M00002.png)
JP (1) JP2698674B2 (US20020095090A1-20020718-M00002.png)
AT (1) ATE109115T1 (US20020095090A1-20020718-M00002.png)
AU (1) AU630639B2 (US20020095090A1-20020718-M00002.png)
CA (1) CA2003472A1 (US20020095090A1-20020718-M00002.png)
DE (1) DE68917093T2 (US20020095090A1-20020718-M00002.png)
ES (1) ES2058581T3 (US20020095090A1-20020718-M00002.png)
FR (1) FR2639252B1 (US20020095090A1-20020718-M00002.png)
PT (1) PT92407B (US20020095090A1-20020718-M00002.png)
ZA (1) ZA898875B (US20020095090A1-20020718-M00002.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009061764A1 (en) * 2007-11-09 2009-05-14 Praxair Technology, Inc. System for preventing contaminants from reaching a gas purifier

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8914366D0 (en) * 1989-06-22 1989-08-09 Boc Group Plc Heat treatment of metals
US5259893A (en) * 1991-07-08 1993-11-09 Air Products And Chemicals, Inc. In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas
US5221369A (en) * 1991-07-08 1993-06-22 Air Products And Chemicals, Inc. In-situ generation of heat treating atmospheres using non-cryogenically produced nitrogen
US5284526A (en) * 1992-12-22 1994-02-08 Air Products And Chemicals, Inc. Integrated process for producing atmospheres suitable for heat treating from non-cryogenically generated nitrogen
US5290480A (en) * 1992-12-22 1994-03-01 Air Products And Chemicals, Inc. Process for producing furnace atmospheres by deoxygenating non-cryogenically generated nitrogen with dissociated ammonia
US5417774A (en) * 1992-12-22 1995-05-23 Air Products And Chemicals, Inc. Heat treating atmospheres
US5322676A (en) * 1992-12-22 1994-06-21 Air Products And Chemicals, Inc. Process for producing furnace atmospheres using noncryogenically generated nitrogen
US5320818A (en) * 1992-12-22 1994-06-14 Air Products And Chemicals, Inc. Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon
US5348592A (en) * 1993-02-01 1994-09-20 Air Products And Chemicals, Inc. Method of producing nitrogen-hydrogen atmospheres for metals processing
JP5470011B2 (ja) * 2009-11-27 2014-04-16 株式会社ブリヂストン 不活性ガスの製造方法、およびタイヤの製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322255A (en) * 1979-01-15 1982-03-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Heat treatment of steel and method for monitoring the treatment
US4814156A (en) * 1986-08-27 1989-03-21 Imperial Chemical Industries Plc Nitrogen production

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844167C2 (de) * 1978-10-10 1984-07-26 Fa. J. Aichelin, 7015 Korntal Verfahren zur Erzeugung einer Stickstoff-Schutzgasatmosphäre in einer Ofenkammer und Schutzgasindustrieofen zur Durchführung dieses Verfahrens
DE3137569A1 (de) * 1981-09-22 1983-04-21 Leybold-Heraeus GmbH, 5000 Köln Verfahren und vorrichtung zur herstellung von hochreinem stickstoff
JPS6291408A (ja) * 1985-10-16 1987-04-25 Mitsubishi Heavy Ind Ltd 酸素含有窒素ガスの脱酸素方法
JPH01303437A (ja) * 1988-06-01 1989-12-07 Fuji Photo Film Co Ltd ハロゲン化銀カラー写真感光材料

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322255A (en) * 1979-01-15 1982-03-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Heat treatment of steel and method for monitoring the treatment
US4814156A (en) * 1986-08-27 1989-03-21 Imperial Chemical Industries Plc Nitrogen production

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009061764A1 (en) * 2007-11-09 2009-05-14 Praxair Technology, Inc. System for preventing contaminants from reaching a gas purifier
US7981195B2 (en) 2007-11-09 2011-07-19 Praxair Technology, Inc. System for preventing contaminants from reaching a gas purifier
US8343262B2 (en) 2007-11-09 2013-01-01 Praxair Technology, Inc. System for preventing contaminants from reaching a gas purifier
US8668768B2 (en) 2007-11-09 2014-03-11 Praxair Technology, Inc. System for preventing contaminants from reaching a gas purifier
KR101486110B1 (ko) * 2007-11-09 2015-01-23 프랙스에어 테크놀로지, 인코포레이티드 오염물이 가스 정제기에 도달하는 것을 방지하기 위한 시스템

Also Published As

Publication number Publication date
AU4556189A (en) 1990-05-31
EP0370872B1 (fr) 1994-07-27
ES2058581T3 (es) 1994-11-01
ATE109115T1 (de) 1994-08-15
JP2698674B2 (ja) 1998-01-19
FR2639252A1 (US20020095090A1-20020718-M00002.png) 1990-05-25
CA2003472A1 (fr) 1990-05-24
ZA898875B (en) 1990-09-26
EP0370872A1 (fr) 1990-05-30
FR2639252B1 (US20020095090A1-20020718-M00002.png) 1990-12-28
PT92407A (pt) 1990-05-31
DE68917093T2 (de) 1994-11-10
JPH02227133A (ja) 1990-09-10
PT92407B (pt) 1995-08-09
DE68917093D1 (de) 1994-09-01

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired