ES2057166T3 - Procedimiento de elaboracion de una atmosfera de tratamiento termico por separacion de aire por permeacion. - Google Patents
Procedimiento de elaboracion de una atmosfera de tratamiento termico por separacion de aire por permeacion.Info
- Publication number
- ES2057166T3 ES2057166T3 ES89403159T ES89403159T ES2057166T3 ES 2057166 T3 ES2057166 T3 ES 2057166T3 ES 89403159 T ES89403159 T ES 89403159T ES 89403159 T ES89403159 T ES 89403159T ES 2057166 T3 ES2057166 T3 ES 2057166T3
- Authority
- ES
- Spain
- Prior art keywords
- copper
- water vapour
- residual oxygen
- air separation
- stream
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/22—Separation 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 diffusion
-
- 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
- C01B2210/001—Physical processing by making use of membranes
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Powder Metallurgy (AREA)
- Catalysts (AREA)
Abstract
LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE ELABORACION DE UNA ATMOSFERA DE TRATAMIENTO TERMICO DE METALES, FORMADA POR APORTE DE UNA CORRIENTE GASEOSA DE NITROGENO, SEGUN LA CUAL SE FORMA PRIMERO POR SEPARACION DE AIRE POR PERMEACION SELECTIVA UNA CORRIENTE GASEOSA BRUTA DE NITROGENO CON CONTENIDO RESIDUAL DE OXIGENO, A LA CUAL SE AÑADE UN CAUDAL DE HIDROGENO POR LO MENOS SUFICIENTE PARA ELIMINAR POR REACCION CATALITICA DE FORMACION DE VAPOR DE AGUA LO ESENCIAL DEL OXIGENO RESIDUAL, CARACTERIZADO POR LA EJECUCION COMBINADA DE LAS MEDIDAS SIGUIENTES: A) LA SEPARACION DE AIRE POR PERMEACION SELECTIVA SE EFECTUA DE FORMA QUE LA CORRIENTE GASEOSA DE NITROGENO TENGA UN CONTENIDO RESIDUAL EN OXIGENO COMPRENDIDO ENTRE 0,5 Y 3 %; B) LA REACCION CATALITICA DE FORMACION DE VAPOR DE AGUA SE ASEGURA EXCLUSIVAMENTE CON CATALIZADORES CUYA ACTUACION ESTA EXENTA DE APORTE TERMICO EXTERIOR; C) LA REACCION CATALITICA DE FORMACION DE VAPOR DE AGUA SE EFECTUA DE FORMA QUE EL CONTENIDO RESIDUAL EN OXIGENO SEA INFERIOR A 30 VPM, CON EL ESTABLECIMIENTO DE UN CONTENIDO EN VAPOR DE AGUA ENTRE 1 Y 6 % RESPECTO DEL CAUDAL DE NITROGENO; APLICACION EXCLUSIVA AL RECOCIDO O ACUÑACION DE COBRE, RECOCIDO DESCARBURANTE, NITRURACION DE ACEROS, CALCINADO DE COBRE, NIQUEL, ALEACIONES DE COBRE-NIQUEL, EVENTUALMENTE CON PLOMO, ALEACIONES COBRE-CINC.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8815323A FR2639250B1 (es) | 1988-11-24 | 1988-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2057166T3 true ES2057166T3 (es) | 1994-10-16 |
Family
ID=9372192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89403159T Expired - Lifetime ES2057166T3 (es) | 1988-11-24 | 1989-11-17 | Procedimiento de elaboracion de una atmosfera de tratamiento termico por separacion de aire por permeacion. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0375477B1 (es) |
JP (1) | JPH07112925B2 (es) |
AT (1) | ATE108752T1 (es) |
AU (1) | AU630640B2 (es) |
CA (1) | CA2003473A1 (es) |
DE (1) | DE68916925T2 (es) |
ES (1) | ES2057166T3 (es) |
FR (1) | FR2639250B1 (es) |
PT (1) | PT92409B (es) |
ZA (1) | ZA898876B (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8914366D0 (en) * | 1989-06-22 | 1989-08-09 | Boc Group Plc | Heat treatment of metals |
FR2668584B1 (fr) * | 1990-10-26 | 1994-03-18 | Lair Liquide | Procede d'elaboration d'une atmosphere de traitement thermique et installation de traitement thermique. |
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 |
KR0154549B1 (ko) * | 1992-11-17 | 1998-11-16 | 조안 엠. 젤사 | 부분정제된 질소로부터 산소를 분리시키는 방법 |
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 |
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 |
US5417774A (en) * | 1992-12-22 | 1995-05-23 | Air Products And Chemicals, Inc. | Heat treating atmospheres |
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 |
US5348592A (en) * | 1993-02-01 | 1994-09-20 | Air Products And Chemicals, Inc. | Method of producing nitrogen-hydrogen atmospheres for metals processing |
JP5852422B2 (ja) * | 2011-11-26 | 2016-02-03 | 国立研究開発法人農業環境技術研究所 | 超高純度窒素ガスの精製方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3535074A (en) * | 1965-10-29 | 1970-10-20 | Hitachi Ltd | Method and apparatus for purifying crude inert gases |
JPH0230127B2 (ja) * | 1981-09-30 | 1990-07-04 | Showa Electric Wire & Cable Co | Suimitsudensennoseizoho |
FR2586259B1 (fr) * | 1985-08-14 | 1987-10-30 | Air Liquide | Procede de cementation rapide dans un four continu |
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 |
-
1988
- 1988-11-24 FR FR8815323A patent/FR2639250B1/fr not_active Expired - Fee Related
-
1989
- 1989-11-17 DE DE68916925T patent/DE68916925T2/de not_active Expired - Fee Related
- 1989-11-17 EP EP89403159A patent/EP0375477B1/fr not_active Expired - Lifetime
- 1989-11-17 ES ES89403159T patent/ES2057166T3/es not_active Expired - Lifetime
- 1989-11-17 AT AT89403159T patent/ATE108752T1/de not_active IP Right Cessation
- 1989-11-21 CA CA002003473A patent/CA2003473A1/fr not_active Abandoned
- 1989-11-21 ZA ZA898876A patent/ZA898876B/xx unknown
- 1989-11-24 PT PT92409A patent/PT92409B/pt not_active IP Right Cessation
- 1989-11-24 AU AU45562/89A patent/AU630640B2/en not_active Ceased
- 1989-11-24 JP JP1303437A patent/JPH07112925B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PT92409B (pt) | 1995-08-09 |
FR2639250B1 (es) | 1990-12-28 |
EP0375477A1 (fr) | 1990-06-27 |
DE68916925D1 (de) | 1994-08-25 |
JPH07112925B2 (ja) | 1995-12-06 |
EP0375477B1 (fr) | 1994-07-20 |
ZA898876B (en) | 1990-09-26 |
PT92409A (pt) | 1990-05-31 |
FR2639250A1 (es) | 1990-05-25 |
ATE108752T1 (de) | 1994-08-15 |
AU4556289A (en) | 1990-05-31 |
AU630640B2 (en) | 1992-11-05 |
DE68916925T2 (de) | 1994-11-03 |
JPH02225303A (ja) | 1990-09-07 |
CA2003473A1 (fr) | 1990-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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