TW369509B - Process and plant for generating nitrogen for heat treatment - Google Patents

Process and plant for generating nitrogen for heat treatment

Info

Publication number
TW369509B
TW369509B TW085102776A TW85102776A TW369509B TW 369509 B TW369509 B TW 369509B TW 085102776 A TW085102776 A TW 085102776A TW 85102776 A TW85102776 A TW 85102776A TW 369509 B TW369509 B TW 369509B
Authority
TW
Taiwan
Prior art keywords
gas
nitrogen
reaction
plant
heat treatment
Prior art date
Application number
TW085102776A
Other languages
English (en)
Inventor
Didier Domergue
Yannick Rancon
Original Assignee
Air Liquide
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
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of TW369509B publication Critical patent/TW369509B/zh

Links

Classifications

    • 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
    • C01B21/0411—Chemical processing only
    • C01B21/0422—Chemical processing only by reduction
    • 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
    • C01B2210/0001—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Gases By Adsorption (AREA)
TW085102776A 1995-03-16 1996-03-07 Process and plant for generating nitrogen for heat treatment TW369509B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9503050A FR2731693B1 (fr) 1995-03-16 1995-03-16 Procede et installation de generation d'azote pour le traitement thermique

Publications (1)

Publication Number Publication Date
TW369509B true TW369509B (en) 1999-09-11

Family

ID=9477078

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085102776A TW369509B (en) 1995-03-16 1996-03-07 Process and plant for generating nitrogen for heat treatment

Country Status (11)

Country Link
US (2) US5695731A (zh)
EP (1) EP0732303A1 (zh)
JP (1) JPH08333106A (zh)
KR (1) KR960034073A (zh)
CN (1) CN1140097A (zh)
AR (1) AR001223A1 (zh)
BR (1) BR9601030A (zh)
CA (1) CA2171793A1 (zh)
FR (1) FR2731693B1 (zh)
SG (1) SG63607A1 (zh)
TW (1) TW369509B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2760758B1 (fr) * 1997-03-13 1999-04-23 Air Liquide Installation de surveillance d'un appareil de generation d'atmosphere
US6168774B1 (en) 1997-08-07 2001-01-02 Praxair Technology, Inc. Compact deoxo system
US6024893A (en) * 1998-06-24 2000-02-15 Caterpillar Inc. Method for controlling a nitriding furnace
US6722182B1 (en) * 2001-11-08 2004-04-20 The United States Of America As Represented By The Secretary Of The Army Solid state vapor generator
AU2003294245A1 (en) * 2002-11-08 2004-06-03 Dun And Bradstreet, Inc. System and method for searching and matching databases
US20050137441A1 (en) * 2003-12-18 2005-06-23 Harry Cordatos Multi-stage fuel deoxygenator
US7468173B2 (en) * 2004-02-25 2008-12-23 Sunstone Corporation Method for producing nitrogen to use in under balanced drilling, secondary recovery production operations and pipeline maintenance
DE602005022418D1 (de) * 2004-03-10 2010-09-02 Panasonic Elec Works Co Ltd Harzformkörper mit verringerter dielektrischer verlusttangente und herstellungsverfahren dafür
US20070107818A1 (en) * 2005-11-16 2007-05-17 Bowe Donald J Deoxygenation of furnaces with hydrogen-containing atmoshperes
JP4594223B2 (ja) * 2005-11-30 2010-12-08 株式会社日立製作所 窒素ガス発生装置
GB0605232D0 (en) * 2006-03-16 2006-04-26 Johnson Matthey Plc Oxygen removal
GB0612092D0 (en) * 2006-06-20 2006-07-26 Johnson Matthey Plc Oxygen removal
GB0704107D0 (en) * 2007-03-05 2007-04-11 Johnson Matthey Plc Oxygen removal
JP5607453B2 (ja) * 2010-08-02 2014-10-15 日本エア・リキード株式会社 熱処理雰囲気ガスの供給装置および供給方法
KR101229805B1 (ko) * 2010-12-23 2013-02-05 주식회사 포스코 공기분리기를 구비하는 산소생산 장치
CN112279222B (zh) * 2020-11-12 2022-04-26 杭州汉德空分设备有限公司 一种变压吸附制氮设备

Family Cites Families (9)

* 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
FR2452315B1 (fr) * 1979-03-28 1985-07-05 Azote & Prod Chim Reacteur de nitration d'hydrocarbures en phase gazeuse sous pression
GB8412932D0 (en) * 1984-05-21 1984-06-27 Boc Group Plc Purification of gases
FR2573181B1 (fr) * 1984-11-13 1987-01-23 Baumert Charles Regenerateur d'air au moyen d'un venturi a jet d'oxygene
US4988490A (en) * 1988-09-14 1991-01-29 Air Products And Chemicals, Inc. Adsorptive process for recovering nitrogen from flue gas
FR2637908B1 (fr) * 1988-10-13 1991-01-11 Inst Francais Du Petrole Echangeur de chaleur pour chauffer la charge d'un reformage catalytique fonctionnant sous basse pression
FR2639251A1 (fr) * 1988-11-24 1990-05-25 Air Liquide Procede d'elaboration d'une atmosphere de traitement thermique par separation d'air par adsorption et sechage
US5318759A (en) * 1992-10-21 1994-06-07 Praxair Technology, Inc. Membrane/PSA-deoxo process for nitrogen production
US5320818A (en) * 1992-12-22 1994-06-14 Air Products And Chemicals, Inc. Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon

Also Published As

Publication number Publication date
CA2171793A1 (fr) 1996-09-17
FR2731693A1 (fr) 1996-09-20
EP0732303A1 (fr) 1996-09-18
US5695731A (en) 1997-12-09
CN1140097A (zh) 1997-01-15
FR2731693B1 (fr) 1997-05-23
BR9601030A (pt) 1997-12-30
US5728354A (en) 1998-03-17
SG63607A1 (en) 1999-03-30
AR001223A1 (es) 1997-09-24
JPH08333106A (ja) 1996-12-17
KR960034073A (ko) 1996-10-22

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