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
Application number
ES89403159T
Other languages
English (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.)
Air Liquide SA
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=9372192&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2057166(T3) "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
Application granted granted Critical
Publication of ES2057166T3 publication Critical patent/ES2057166T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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.
ES89403159T 1988-11-24 1989-11-17 Procedimiento de elaboracion de una atmosfera de tratamiento termico por separacion de aire por permeacion. Expired - Lifetime ES2057166T3 (es)

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)

* 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
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
US5322676A (en) * 1992-12-22 1994-06-21 Air Products And Chemicals, Inc. Process for producing furnace atmospheres using noncryogenically generated nitrogen
US5417774A (en) * 1992-12-22 1995-05-23 Air Products And Chemicals, Inc. Heat treating atmospheres
US5320818A (en) * 1992-12-22 1994-06-14 Air Products And Chemicals, Inc. Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2639250B1 (es) 1990-12-28
JPH07112925B2 (ja) 1995-12-06
CA2003473A1 (fr) 1990-05-24
AU630640B2 (en) 1992-11-05
DE68916925T2 (de) 1994-11-03
DE68916925D1 (de) 1994-08-25
JPH02225303A (ja) 1990-09-07
AU4556289A (en) 1990-05-31
EP0375477A1 (fr) 1990-06-27
FR2639250A1 (es) 1990-05-25
PT92409B (pt) 1995-08-09
EP0375477B1 (fr) 1994-07-20
ATE108752T1 (de) 1994-08-15
ZA898876B (en) 1990-09-26
PT92409A (pt) 1990-05-31

Similar Documents

Publication Publication Date Title
ES2057166T3 (es) Procedimiento de elaboracion de una atmosfera de tratamiento termico por separacion de aire por permeacion.
US5348592A (en) Method of producing nitrogen-hydrogen atmospheres for metals processing
DK0799793T3 (da) Fremstilling af nitrogenoxidgasblandinger
DE60203551D1 (de) Herstellung von hochreinem Sauerstoff durch Druckwechseladsorption
TW354768B (en) Process for the purification of nitric oxide
ES2058581T3 (es) Procedimiento de elaboracion de una atmosfera de tratamiento termico por separacion de aire mediante adsorcion.
US5069728A (en) Process for heat treating metals in a continuous oven under controlled atmosphere
EP0240270A1 (en) One-step process for purifying an inert gas
CA2049499A1 (en) Argon recovery from partial oxidation based ammonia plant waste gases
GB1551348A (en) Method of purifying gaseous mixtures
US5417774A (en) Heat treating atmospheres
EP0603767B1 (en) Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon
ES2175632T3 (es) Procedimiento de tratamiento de un flujo gaseoso.
ATE127707T1 (de) Verfahren zur oxidativen reinigung von stickoxide enthaltenden abgasen.
DE3468626D1 (en) Process for the treatment of a gas flow containing nitrogen oxides
KR960029226A (ko) 복합 기체내에 포함되어 있는 불순물의 제거 방법
GR3023943T3 (en) Process for the continuous preparation of aluminium nitride by carbo nitridation of alumina in a moving bed reactor.
MX9400013A (es) Procedimiento para producir atmosferas de horno mediante la desoxigenacion de nitrogeno no criogenicamente generado con amonia disociada.
Pourtalet et al. Alnat 1: a new concept for atmosphere production in the field of powder metallurgy
JPH04259348A (ja) 超高純度希ガス精製用合金とその利用法
Nilsson et al. Process for Thermal Treatment of Metals
Rotman et al. Process for Producing a Glass--Metal Joint and Apparatus for Carrying Out Same
Duchateau et al. Procedure for the Welding or Brazing of Pieces of a Strongly Oxidisable Metal
HUP0002008A2 (hu) Eljárás hulladékégetők füstgázában levő dioxinok és furánok mennyiségének csökkentésére
TH52646A3 (th) กรรมวิธีการฟื้นฟูตัวเร่งปฏิกิริยาขึ้นใหม่สำหรับการไฮโดรไลซิสให้เป็นวงจากอะมิโนไนทริลไปเป็นแลคแทมและการใช้ตัวเร่งปฏิกิริยาที่ถูกฟื้นฟูใหม่ สำหรับการผลิตแลคแทม

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 375477

Country of ref document: ES