DE68916925D1 - Verfahren zur Herstellung einer Atmosphäre zur thermischen Behandlung durch Lufttrennung durch Permeation. - Google Patents

Verfahren zur Herstellung einer Atmosphäre zur thermischen Behandlung durch Lufttrennung durch Permeation.

Info

Publication number
DE68916925D1
DE68916925D1 DE68916925T DE68916925T DE68916925D1 DE 68916925 D1 DE68916925 D1 DE 68916925D1 DE 68916925 T DE68916925 T DE 68916925T DE 68916925 T DE68916925 T DE 68916925T DE 68916925 D1 DE68916925 D1 DE 68916925D1
Authority
DE
Germany
Prior art keywords
copper
water vapour
atmosphere
residual oxygen
air separation
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 - Fee Related
Application number
DE68916925T
Other languages
English (en)
Other versions
DE68916925T2 (de
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=DE68916925(D1) "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 DE68916925D1 publication Critical patent/DE68916925D1/de
Publication of DE68916925T2 publication Critical patent/DE68916925T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Powder Metallurgy (AREA)
  • Catalysts (AREA)
DE68916925T 1988-11-24 1989-11-17 Verfahren zur Herstellung einer Atmosphäre zur thermischen Behandlung durch Lufttrennung durch Permeation. Expired - Fee Related DE68916925T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8815323A FR2639250B1 (de) 1988-11-24 1988-11-24

Publications (2)

Publication Number Publication Date
DE68916925D1 true DE68916925D1 (de) 1994-08-25
DE68916925T2 DE68916925T2 (de) 1994-11-03

Family

ID=9372192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916925T Expired - Fee Related DE68916925T2 (de) 1988-11-24 1989-11-17 Verfahren zur Herstellung einer Atmosphäre zur thermischen Behandlung durch Lufttrennung durch Permeation.

Country Status (10)

Country Link
EP (1) EP0375477B1 (de)
JP (1) JPH07112925B2 (de)
AT (1) ATE108752T1 (de)
AU (1) AU630640B2 (de)
CA (1) CA2003473A1 (de)
DE (1) DE68916925T2 (de)
ES (1) ES2057166T3 (de)
FR (1) FR2639250B1 (de)
PT (1) PT92409B (de)
ZA (1) ZA898876B (de)

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
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
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
DE68916925T2 (de) 1994-11-03
EP0375477A1 (de) 1990-06-27
JPH02225303A (ja) 1990-09-07
ATE108752T1 (de) 1994-08-15
ES2057166T3 (es) 1994-10-16
ZA898876B (en) 1990-09-26
JPH07112925B2 (ja) 1995-12-06
AU630640B2 (en) 1992-11-05
CA2003473A1 (fr) 1990-05-24
AU4556289A (en) 1990-05-31
FR2639250A1 (de) 1990-05-25
FR2639250B1 (de) 1990-12-28
PT92409A (pt) 1990-05-31
PT92409B (pt) 1995-08-09
EP0375477B1 (de) 1994-07-20

Similar Documents

Publication Publication Date Title
DE68916925D1 (de) Verfahren zur Herstellung einer Atmosphäre zur thermischen Behandlung durch Lufttrennung durch Permeation.
KR900000112A (ko) 수소 또는 다른 환원기체를 사용하지 않는 벌크 질소용 불활성 가스정화기
DE69118309T2 (de) Verfahren zur Herstellung einer Atmosphäre für thermische Behandlungen
US5069728A (en) Process for heat treating metals in a continuous oven under controlled atmosphere
ATE109115T1 (de) Verfahren zur herstellung einer atmosphäre zur thermischen behandlung durch lufttrennung durch adsorption.
DE69723340D1 (de) Herstellung von stickstoffoxydhaltigen Gasgemischen
KR960700810A (ko) 비닐 아세테이트 합성에 유용한 팔라듐-금 촉매의 전처리 방법(Pretreatment of Palladium-Gold Catalysts Useful in Vinyl Acetate Synthesis)
CA2049499A1 (en) Argon recovery from partial oxidation based ammonia plant waste gases
AU5041490A (en) Method for removal of ammonia from a gas mixture
EP0359286B1 (de) Methode zur Reduktion von Stickoxid
CA2111482A1 (en) Atmospheres for Heat Treating Non-Ferrous Metals and Alloys
KR100337971B1 (ko) 열처리를 수행하기 위한 저이슬점 및 무산소 보호성대기를 형성하는 방법
US4859434A (en) Production of endothermic gases with methanol
KR960029226A (ko) 복합 기체내에 포함되어 있는 불순물의 제거 방법
US2998303A (en) Method for purifying hydrogen contaminated with methane
US5322676A (en) Process for producing furnace atmospheres using noncryogenically generated nitrogen
US2594269A (en) Process for the purification of carbon dioxide
DE50101047D1 (de) Verfahren zur herstellung von epoxiden durch oxidation von olefinen
KR970033026A (ko) 일산화탄소 제거용 산화촉매
EP0328820A3 (de) Bearbeitung von Schwefelwasserstoff enthaltenden Gasströmen
DE3786625D1 (de) Verfahren zur herstellung von selbsttragenden keramischen koerpern mit verfeinerter mikrostruktur.
JPS63282243A (ja) 水素吸蔵合金の脱炭法
TH25786A (th) กรรมวิธีและโรงงานสำหรับการผลิตไนโตรเจนเพื่อการบำบัดด้วยความร้อน

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee