JPH0565782B2 - - Google Patents

Info

Publication number
JPH0565782B2
JPH0565782B2 JP2308017A JP30801790A JPH0565782B2 JP H0565782 B2 JPH0565782 B2 JP H0565782B2 JP 2308017 A JP2308017 A JP 2308017A JP 30801790 A JP30801790 A JP 30801790A JP H0565782 B2 JPH0565782 B2 JP H0565782B2
Authority
JP
Japan
Prior art keywords
air
compressed
heat
raw material
compressed raw
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
JP2308017A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03170786A (ja
Inventor
Tatsuro Mori
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.)
Japan Oxygen Co Ltd
Original Assignee
Japan Oxygen Co Ltd
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 Japan Oxygen Co Ltd filed Critical Japan Oxygen Co Ltd
Priority to JP2308017A priority Critical patent/JPH03170786A/ja
Publication of JPH03170786A publication Critical patent/JPH03170786A/ja
Publication of JPH0565782B2 publication Critical patent/JPH0565782B2/ja
Granted legal-status Critical Current

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04163—Hot end purification of the feed air
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/82—Processes or apparatus using other separation and/or other processing means using a reactor with combustion or catalytic reaction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/42—Nitrogen or special cases, e.g. multiple or low purity N2
    • F25J2215/44—Ultra high purity nitrogen, i.e. generally less than 1 ppb impurities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/40—Processes or apparatus involving steps for recycling of process streams the recycled stream being air

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2308017A 1990-11-14 1990-11-14 高純度窒素製造方法 Granted JPH03170786A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2308017A JPH03170786A (ja) 1990-11-14 1990-11-14 高純度窒素製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2308017A JPH03170786A (ja) 1990-11-14 1990-11-14 高純度窒素製造方法

Publications (2)

Publication Number Publication Date
JPH03170786A JPH03170786A (ja) 1991-07-24
JPH0565782B2 true JPH0565782B2 (enrdf_load_stackoverflow) 1993-09-20

Family

ID=17975884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2308017A Granted JPH03170786A (ja) 1990-11-14 1990-11-14 高純度窒素製造方法

Country Status (1)

Country Link
JP (1) JPH03170786A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6048509A (en) * 1997-05-23 2000-04-11 Nippon Sanso Corporation Gas purifying process and gas purifying apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1091331A (zh) * 1993-01-06 1994-08-31 普拉塞尔技术有限公司 利用压缩热的净化系统
CN101487656B (zh) 2009-02-11 2010-12-01 王有良 一种液化气体中液体杂质的液相分离方法
CN111609669A (zh) * 2020-05-22 2020-09-01 启东柯兰机电设备有限公司 一种获得多种空气产物的空气分离设备
CN114684795A (zh) * 2020-12-31 2022-07-01 浙江赛坲能源科技有限公司 一种甲醇制氢氮气纯化装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS548190A (en) * 1977-06-21 1979-01-22 Nippon Oxygen Co Ltd Process for purifying inert gas
JPS5488893A (en) * 1977-12-26 1979-07-14 Nippon Oxygen Co Ltd Method of purifying inert gas
JPS5893790U (ja) * 1981-12-18 1983-06-25 日本酸素株式会社 高純度窒素製造装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6048509A (en) * 1997-05-23 2000-04-11 Nippon Sanso Corporation Gas purifying process and gas purifying apparatus

Also Published As

Publication number Publication date
JPH03170786A (ja) 1991-07-24

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