CA2003472A1 - Procede d'elaboration d'une atmosphere de traitement thermique par separation d'air par adsorption - Google Patents
Procede d'elaboration d'une atmosphere de traitement thermique par separation d'air par adsorptionInfo
- Publication number
- CA2003472A1 CA2003472A1 CA002003472A CA2003472A CA2003472A1 CA 2003472 A1 CA2003472 A1 CA 2003472A1 CA 002003472 A CA002003472 A CA 002003472A CA 2003472 A CA2003472 A CA 2003472A CA 2003472 A1 CA2003472 A1 CA 2003472A1
- Authority
- CA
- Canada
- Prior art keywords
- hydrogen
- copper
- nitrogen
- content
- atmosphere
- 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.)
- Abandoned
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8815.324 | 1988-11-24 | ||
FR8815324A FR2639252B1 (US20020095090A1-20020718-M00002.png) | 1988-11-24 | 1988-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2003472A1 true CA2003472A1 (fr) | 1990-05-24 |
Family
ID=9372193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002003472A Abandoned CA2003472A1 (fr) | 1988-11-24 | 1989-11-21 | Procede d'elaboration d'une atmosphere de traitement thermique par separation d'air par adsorption |
Country Status (10)
Families Citing this family (11)
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 |
US7981195B2 (en) | 2007-11-09 | 2011-07-19 | Praxair Technology, Inc. | System for preventing contaminants from reaching a gas purifier |
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 |
Family Cites Families (6)
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 |
FR2446322A2 (fr) * | 1979-01-15 | 1980-08-08 | Air Liquide | Procede de traitement thermique de l'acier et de controle dudit traitement |
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 |
GB8620686D0 (en) * | 1986-08-27 | 1986-10-08 | Ici Plc | Nitrogen production |
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 |
-
1988
- 1988-11-24 FR FR8815324A patent/FR2639252B1/fr not_active Expired - Fee Related
-
1989
- 1989-11-17 DE DE68917093T patent/DE68917093T2/de not_active Expired - Fee Related
- 1989-11-17 ES ES89403158T patent/ES2058581T3/es not_active Expired - Lifetime
- 1989-11-17 EP EP89403158A patent/EP0370872B1/fr not_active Expired - Lifetime
- 1989-11-17 AT AT89403158T patent/ATE109115T1/de not_active IP Right Cessation
- 1989-11-21 CA CA002003472A patent/CA2003472A1/fr not_active Abandoned
- 1989-11-21 ZA ZA898875A patent/ZA898875B/xx unknown
- 1989-11-24 PT PT92407A patent/PT92407B/pt not_active IP Right Cessation
- 1989-11-24 JP JP1303438A patent/JP2698674B2/ja not_active Expired - Lifetime
- 1989-11-24 AU AU45561/89A patent/AU630639B2/en not_active Ceased
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 |
ZA898875B (en) | 1990-09-26 |
EP0370872A1 (fr) | 1990-05-30 |
FR2639252B1 (US20020095090A1-20020718-M00002.png) | 1990-12-28 |
AU630639B2 (en) | 1992-11-05 |
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 |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |