KR940020084A - 주공기 증류탑으로부터 직접 크립톤/크세논 농축 스트림을 제조하는 방법 - Google Patents

주공기 증류탑으로부터 직접 크립톤/크세논 농축 스트림을 제조하는 방법 Download PDF

Info

Publication number
KR940020084A
KR940020084A KR1019940002804A KR19940002804A KR940020084A KR 940020084 A KR940020084 A KR 940020084A KR 1019940002804 A KR1019940002804 A KR 1019940002804A KR 19940002804 A KR19940002804 A KR 19940002804A KR 940020084 A KR940020084 A KR 940020084A
Authority
KR
South Korea
Prior art keywords
low pressure
stream
high pressure
krypton
oxygen
Prior art date
Application number
KR1019940002804A
Other languages
English (en)
Other versions
KR0141439B1 (ko
Inventor
아그라왈 라케쉬
로렌스 펠드만 스티븐
Original Assignee
윌리암 에프. 마쉬
에어 프로덕츠 앤드 케미칼스, 인코오포레이티드
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 윌리암 에프. 마쉬, 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 filed Critical 윌리암 에프. 마쉬
Publication of KR940020084A publication Critical patent/KR940020084A/ko
Application granted granted Critical
Publication of KR0141439B1 publication Critical patent/KR0141439B1/ko

Links

Classifications

    • 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
    • F25J3/04406—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 using a dual pressure main column system
    • F25J3/04412—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 using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • 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
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04745—Krypton and/or Xenon
    • 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
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04854—Safety aspects of operation
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/34—Processes or apparatus using separation by rectification using a side column fed by a stream from the low pressure column
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/90—Details relating to column internals, e.g. structured packing, gas or liquid distribution
    • 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
    • F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
    • 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
    • F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
    • 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
    • F25J2245/50—Processes or apparatus involving steps for recycling of process streams the recycled stream being 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/923—Inert gas
    • Y10S62/925—Xenon or krypton

Landscapes

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

Abstract

본 발명은 주공기 증류탑으로부터 직접 크립톤/크세논 농축 스트림을 제조하는 저온 공기 분리 방법에 관한 것으로서, 탑 바이패스는 저압탑의 하부단에 제시되어 산소 가스 생성물중의 대다수의 메탄을 제거하는 동안 통내에서 크립톤 및 크세논을 농축시킨다. [선택도] 제1도

Description

주공기 증류탑으로부터 직접 크립톤/크세논 농축 스트림을 제조하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 한가지 양태를 설명하는 도식도.

Claims (7)

  1. (a) 적어도 일부의 공급 공기를 고압 질소 상부 및 고압 미정제 액체 산소 하부로 정류시키는 고압탑에 공급 공기를 공급하는 단계 ; (b) 상기 고압 미정제 액체 산소 하부를 저압 질소 상부 및 저압 액체 산소 하부로 정류시키는 저압탑에 적어도 일부의 상기 고압 미정제 액체 산소 하부를 공급하는 단계 ; 및 (c) 상기 저압탑의 하부에 위치한 통내에서 적어도 일부의 상기 저압 액체 산소 하부를 비등시키는 단계로 이루어지는 고압탑 및 저압탑을 포함하는 다중탑 증류 시스템을 사용하여 공급 공기를 저온 증류시키는 방법으로서, (ⅰ) 상기 통위의 적어도 하나의 평형단에 위치한 회수 지점에서 산소-농축 증기 스트림 및 산소-농축 액체 스트림을 회수하는 단계 ; (ⅱ) 상기 산소-농축 액체 스트림을 상기 통과 상기 저압탑의 초기 평형단 사이에 위치한 복귀 지점으로 복귀시키는 단계 ; 및 (ⅲ) 상기 통의 하부에서 상기 크립톤/크세논 농축 스트림을 회수하는 단계를 포함하는 것을 특징으로 하는 상기 저압탑으로부터 크립톤 및 크세논 농축 스트림을 직접 제조하는 방법.
  2. 제 1 항에 있어서, 단계(ⅰ)에서 회수한 산소-농축 액체 스트림의 양이 회수지점과 복귀지점 사이의 저압탑의 상기 부분내에서의 액체 대 증기의 비율을 0.05 내지 0.4로 감소시키기에 충분한 양인 방법.
  3. 제 1 항에 있어서, 상기 회수지점과 복귀지점 사이에 3개의 평형단이 존재하는 방법.
  4. 제 1 항에 있어서, 흡착제중의 상기 산소-농축 액체 스트림에서 임의의 C2 +탄화수소 및 이산화질소를 제거하는 것을 부가로 포함하는, 단계(ⅰ)과 단계(ⅱ) 사이에 수행되는 방법.
  5. 제 1 항에 있어서, 단계(c)에서 통내에서 비등하는 저압 액체 산소 일부를, 고압 질소 상부를 응축시키는데 반해 간접적으로 열 교환시켜 비등시키며, 적어도 일부의 상기 응축된 고압 질소 상부를 사용하여 상기 증류 시스템에 환류를 제공하는 방법.
  6. 제 1 항에 있어서, 단계(ⅲ) 이후에, (ⅳ) 흡착제중의 상기 크립톤/크세논 농축 스트림으로부터 C2 +탄화수소 및 이산화질소를 제거하는 단계 ; 및 (ⅴ) 제2의 통내에서 상기 크립톤/크세논 농축 스트림을 응축 가공 스트림에 대해 간접적으로 열 교환시킴으로써 비등시키는 단계를 부가로 포함하며, 증기가 상기 저압탑으로 복귀되고 부가로 크립톤/크세논 농축된 생성물 스트림은 상기 제2의 통의 하부로부터 회수되는 것인 방법.
  7. 제 6 항에 있어서, 상기 응축된 가공 스트림이 상기 고압 질소 상부의 일부인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940002804A 1993-02-16 1994-02-15 주공기 증류탑으로부터 직접 크립톤/크세논 농축 스트림을 제조하는 방법 KR0141439B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/017,554 1993-02-16
US8/017,554 1993-02-16
US08/017,554 US5313802A (en) 1993-02-16 1993-02-16 Process to produce a krypton/xenon enriched stream directly from the main air distillation column

Publications (2)

Publication Number Publication Date
KR940020084A true KR940020084A (ko) 1994-09-15
KR0141439B1 KR0141439B1 (ko) 1998-06-01

Family

ID=21783232

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940002804A KR0141439B1 (ko) 1993-02-16 1994-02-15 주공기 증류탑으로부터 직접 크립톤/크세논 농축 스트림을 제조하는 방법

Country Status (8)

Country Link
US (1) US5313802A (ko)
EP (1) EP0611935B1 (ko)
JP (1) JP2760388B2 (ko)
KR (1) KR0141439B1 (ko)
CN (1) CN1093457A (ko)
CA (1) CA2115297C (ko)
DE (1) DE69403009T2 (ko)
ES (1) ES2101438T3 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730172B1 (fr) * 1995-02-07 1997-03-21 Air Liquide Methode et appareil de surveillance de fonctionnement d'une installation de separation d'air
US5799510A (en) * 1997-07-30 1998-09-01 The Boc Group, Inc. Multi-column system and method for producing pressurized liquid product
DE19852020A1 (de) 1998-08-06 2000-02-10 Linde Ag Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
GB9902101D0 (en) * 1999-01-29 1999-03-24 Boc Group Plc Separation of air
US6164089A (en) * 1999-07-08 2000-12-26 Air Products And Chemicals, Inc. Method and apparatus for recovering xenon or a mixture of krypton and xenon from air
US6314757B1 (en) * 2000-08-25 2001-11-13 Prakair Technology, Inc. Cryogenic rectification system for processing atmospheric fluids
GB0111961D0 (en) * 2001-05-16 2001-07-04 Boc Group Plc Nitrogen rejection method
US6658894B2 (en) 2001-11-19 2003-12-09 Air Products And Chemicals, Inc. Process and adsorbent for the recovery of krypton and xenon from a gas or liquid stream
US6735980B2 (en) * 2002-01-04 2004-05-18 Air Products And Chemicals, Inc. Recovery of krypton and xenon
US6843973B2 (en) * 2002-05-01 2005-01-18 Air Products And Chemicals Krypton and xenon recovery system
US7421856B2 (en) * 2005-06-17 2008-09-09 Praxair Technology, Inc. Cryogenic air separation with once-through main condenser
DE102005040508A1 (de) 2005-08-26 2006-03-30 Linde Ag Verfahren zur Gewinnung von Krypton und/oder Xenon durch Tieftemperaturzerlegung von Luft
US8443625B2 (en) * 2008-08-14 2013-05-21 Praxair Technology, Inc. Krypton and xenon recovery method
CN101634514B (zh) * 2009-08-13 2012-01-25 上海启元科技发展有限公司 全精馏制备纯氪和纯氙的方法
EP2903007B1 (en) * 2012-09-25 2019-05-08 National Institute of Advanced Industrial Science and Technology Method for forming pattern

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1371327A (en) * 1970-10-12 1974-10-23 British Oxygen Co Ltd Air separation
DE2055099A1 (de) * 1970-11-10 1972-05-18 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren zur Anreicherung von Krypton und Xenon in Luftzerlegungsanlagen
JPS5536905A (en) * 1978-09-04 1980-03-14 Shimizu Construction Co Ltd Method of connecting electromagnetic wave shielding wall
JPS5743186A (en) * 1980-08-29 1982-03-11 Nippon Oxygen Co Ltd Production of krypton and xenon
US4568528A (en) * 1984-08-16 1986-02-04 Union Carbide Corporation Process to produce a krypton-xenon concentrate and a gaseous oxygen product
JPS6146383U (ja) * 1984-08-31 1986-03-27 株式会社東芝 冷凍車用冷凍装置
GB8610766D0 (en) * 1986-05-02 1986-06-11 Colley C R Yield of krypton xenon in air separation
US5039500A (en) * 1988-11-18 1991-08-13 Kyodo Oxygen Co., Ltd. Process for producing xenon
JPH0438554A (ja) * 1990-06-04 1992-02-07 Hitachi Ltd バス結合回路
JPH0438555A (ja) * 1990-06-04 1992-02-07 Nec Corp プロセッサ間通信方式
US5069698A (en) * 1990-11-06 1991-12-03 Union Carbide Industrial Gases Technology Corporation Xenon production system
US5063746A (en) * 1991-02-05 1991-11-12 Air Products And Chemicals, Inc. Cryogenic process for the production of methane-free, krypton/xenon product
US5067976A (en) * 1991-02-05 1991-11-26 Air Products And Chemicals, Inc. Cryogenic process for the production of an oxygen-free and methane-free, krypton/xenon product
US5122173A (en) * 1991-02-05 1992-06-16 Air Products And Chemicals, Inc. Cryogenic production of krypton and xenon from air

Also Published As

Publication number Publication date
CA2115297C (en) 1997-10-14
DE69403009D1 (de) 1997-06-12
US5313802A (en) 1994-05-24
DE69403009T2 (de) 1997-08-28
JPH06241652A (ja) 1994-09-02
EP0611935B1 (en) 1997-05-07
JP2760388B2 (ja) 1998-05-28
CA2115297A1 (en) 1994-08-17
EP0611935A1 (en) 1994-08-24
CN1093457A (zh) 1994-10-12
ES2101438T3 (es) 1997-07-01
KR0141439B1 (ko) 1998-06-01

Similar Documents

Publication Publication Date Title
KR100291684B1 (ko) 공기의분리방법
US4451275A (en) Nitrogen rejection from natural gas with CO2 and variable N2 content
KR940020084A (ko) 주공기 증류탑으로부터 직접 크립톤/크세논 농축 스트림을 제조하는 방법
RU2069825C1 (ru) Устройство для получения аргона, свободного от азота
US5067976A (en) Cryogenic process for the production of an oxygen-free and methane-free, krypton/xenon product
JPH0755333A (ja) 低圧作動のための極低温精留システム
KR860001999A (ko) 초고순도 산소의 제조방법
KR950003775A (ko) 산소 및 가압 질소 제조용 3중 컬럼 증류 시스템
US5122173A (en) Cryogenic production of krypton and xenon from air
KR20040051543A (ko) 크립톤 및/또는 크세논의 회수 방법 및 장치
US3127260A (en) Separation of air into nitrogen
KR100313616B1 (ko) 산소를 동시에 생성하는 복수 개의 증류탑으로된 질소 발생기의극저온 공기 증류 방법
JPH0731004B2 (ja) 空気蒸留方法及びプラント
US5167125A (en) Recovery of dissolved light gases from a liquid stream
KR960010365B1 (ko) 다중-성분 흐름의 분리 방법
KR980003440A (ko) 저순도 산소 및 고순도 질소를 제조하기 위한 방법 및 장치
EP0195065B1 (en) Nitrogen production by low energy distillation
JPS6333633B2 (ko)
EP0542559B1 (en) Inter-column heat integration for multi-column distillation system
US5511380A (en) High purity nitrogen production and installation
CA2058490C (en) Cryogenic process for the separation of air to produce ultra high purity nitrogen
JPH11316080A (ja) 超高純度窒素及び超高純度酸素を生成するための極低温精製方法及び装置
JP2983393B2 (ja) 高純度窒素の製造における極低温蒸留により水素を除去する方法
KR890001623A (ko) 액체피이드로부터 초고순도 산소를 제조하는 방법 및 그 장치
US5309719A (en) Process to produce a krypton/xenon enriched stream from a cryogenic nitrogen generator

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee