WO2009038024A1 - 窒素同位体濃縮方法 - Google Patents

窒素同位体濃縮方法 Download PDF

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Publication number
WO2009038024A1
WO2009038024A1 PCT/JP2008/066572 JP2008066572W WO2009038024A1 WO 2009038024 A1 WO2009038024 A1 WO 2009038024A1 JP 2008066572 W JP2008066572 W JP 2008066572W WO 2009038024 A1 WO2009038024 A1 WO 2009038024A1
Authority
WO
WIPO (PCT)
Prior art keywords
nitrogen
argon
concentrated
final column
product
Prior art date
Application number
PCT/JP2008/066572
Other languages
English (en)
French (fr)
Inventor
Hitoshi Kihara
Original Assignee
Taiyo Nippon Sanso Corporation
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 Taiyo Nippon Sanso Corporation filed Critical Taiyo Nippon Sanso Corporation
Priority to EP08832202.9A priority Critical patent/EP2191885B1/en
Priority to US12/676,429 priority patent/US8440058B2/en
Publication of WO2009038024A1 publication Critical patent/WO2009038024A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D59/00—Separation of different isotopes of the same chemical element
    • B01D59/02—Separation by phase transition
    • B01D59/04—Separation by phase transition by distillation
    • 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
    • F25J3/08—Separating gaseous impurities from gases or gaseous mixtures or from liquefied gases or liquefied gaseous mixtures
    • 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
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/42—Nitrogen
    • 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
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/44—Separating high boiling, i.e. less volatile components from nitrogen, e.g. CO, Ar, O2, hydrocarbons
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/90—Separating isotopes of a component, e.g. H2, O2

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

　本発明は、原料である、酸素およびアルゴンが微量含まれた窒素を、カスケードに構成された複数の充填塔で低温蒸留することにより、窒素の安定同位体１５Ｎが濃縮された製品窒素を得る工程を有する窒素同位体濃縮方法において、最終塔の塔底からアルゴン・酸素混合物を排出し、最終塔の下方中間部から１５Ｎ濃縮窒素流体を採取するとともに、製品１５Ｎ濃縮窒素採取位置から下方に設置された温度計の指示値に基づいて、最終塔の塔底部から排出するアルゴン・酸素混合物の流量を制御することで、前記製品窒素を安定的に得る窒素同位体濃縮方法を提供する。
PCT/JP2008/066572 2007-09-19 2008-09-12 窒素同位体濃縮方法 WO2009038024A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08832202.9A EP2191885B1 (en) 2007-09-19 2008-09-12 Method of concentrating nitrogen isotope
US12/676,429 US8440058B2 (en) 2007-09-19 2008-09-12 Method for concentrating nitrogen isotope

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007242987A JP5425384B2 (ja) 2007-09-19 2007-09-19 窒素同位体濃縮方法
JP2007-242987 2007-09-19

Publications (1)

Publication Number Publication Date
WO2009038024A1 true WO2009038024A1 (ja) 2009-03-26

Family

ID=40467840

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066572 WO2009038024A1 (ja) 2007-09-19 2008-09-12 窒素同位体濃縮方法

Country Status (4)

Country Link
US (1) US8440058B2 (ja)
EP (1) EP2191885B1 (ja)
JP (1) JP5425384B2 (ja)
WO (1) WO2009038024A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2583808C1 (ru) * 2015-02-18 2016-05-10 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Способ концентрирования изотопов азота
CN107684828A (zh) * 2017-10-20 2018-02-13 江苏华益科技有限公司 一种高纯氧十六的精馏装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003221210A (ja) * 2002-01-29 2003-08-05 Shoko Co Ltd 重窒素の生成方法及び重窒素の生成装置
WO2007122893A1 (ja) * 2006-03-23 2007-11-01 Taiyo Nippon Sanso Corporation 窒素同位体重成分の濃縮方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923601A (en) * 1955-11-22 1960-02-02 Taylor Thomas Ivan Method of isotope concentration
US3134643A (en) * 1957-04-23 1964-05-26 Ciba Ltd Process for the concentration of isotopes of nitrogen and oxygen in nitric oxide
CH467095A (de) * 1966-02-18 1969-01-15 Ciba Geigy Verfahren zur Anreicherung von Isotopen des Stickstoffs und/oder Sauerstoffs und/oder Kohlenstoffs durch Rektifikation
JP4319273B2 (ja) 1997-10-13 2009-08-26 大陽日酸株式会社 安定同位体化合物の分離方法及び装置
US6461583B1 (en) * 1998-11-09 2002-10-08 Nippon Sanso Corporation Method for enrichment of heavy component of oxygen isotopes
JP4327287B2 (ja) * 1999-01-29 2009-09-09 大陽日酸株式会社 重酸素水の製造方法および装置
JP4495279B2 (ja) * 1999-10-12 2010-06-30 大陽日酸株式会社 蒸留装置並びに酸素同位体重成分の濃縮方法および重酸素水の製造方法
JP4087117B2 (ja) 2002-01-18 2008-05-21 東京瓦斯株式会社 同位体ガス分離方法および同位体ガス分離装置
US7302812B2 (en) * 2003-09-02 2007-12-04 Air Products And Chemicals, Inc. Process for production of isotopes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003221210A (ja) * 2002-01-29 2003-08-05 Shoko Co Ltd 重窒素の生成方法及び重窒素の生成装置
WO2007122893A1 (ja) * 2006-03-23 2007-11-01 Taiyo Nippon Sanso Corporation 窒素同位体重成分の濃縮方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2191885A4 *

Also Published As

Publication number Publication date
EP2191885B1 (en) 2014-03-05
EP2191885A4 (en) 2012-07-04
US20100206711A1 (en) 2010-08-19
EP2191885A1 (en) 2010-06-02
JP5425384B2 (ja) 2014-02-26
US8440058B2 (en) 2013-05-14
JP2009072673A (ja) 2009-04-09

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