KR890009440A - 구조화된 팩킹을 사용한 아르곤/산소 혼합물의 분리공정 - Google Patents

구조화된 팩킹을 사용한 아르곤/산소 혼합물의 분리공정 Download PDF

Info

Publication number
KR890009440A
KR890009440A KR1019880016622A KR880016622A KR890009440A KR 890009440 A KR890009440 A KR 890009440A KR 1019880016622 A KR1019880016622 A KR 1019880016622A KR 880016622 A KR880016622 A KR 880016622A KR 890009440 A KR890009440 A KR 890009440A
Authority
KR
South Korea
Prior art keywords
argon
oxygen
stream
distillation column
nitrogen
Prior art date
Application number
KR1019880016622A
Other languages
English (en)
Other versions
KR910002167B1 (ko
Inventor
레스리 베네트 더글라스
알란 루드비그 케이쓰
샤운 위트머 죠지
미첼우드 챨리
Original Assignee
윌리암 에프. 마쉬
에어프로덕츠 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22454484&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR890009440(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 윌리암 에프. 마쉬, 에어프로덕츠 앤드 케미칼스 인코오포레이티드 filed Critical 윌리암 에프. 마쉬
Publication of KR890009440A publication Critical patent/KR890009440A/ko
Application granted granted Critical
Publication of KR910002167B1 publication Critical patent/KR910002167B1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • 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
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
    • F25J3/04915—Combinations of different material exchange elements, e.g. within different columns
    • 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
    • B01D53/14—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 absorption
    • 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
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
    • 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
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
    • F25J3/04909—Structured packings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/326—Mathematical modelling
    • 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/10—Mathematical formulae, modeling, plot or curves; Design methods
    • 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
    • Y10S62/902—Apparatus
    • Y10S62/905—Column
    • Y10S62/906—Packing
    • 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
    • Y10S62/924—Argon

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

내용 없음

Description

구조화된 팩킹을 사용한 아르곤/산소 혼합물의 분리공정
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 아르곤 및 산소 생성물을 생성하는 일반적인 3개의 탑 공기 분리 공정의 다이아그램이며,
제 2 도는 관계식에 의한 예측값에 대한 총 기체상 물질전달 계수를 플럿트화한 것이며
제 3 도는 산소/아르곤 분리를 위해 밀도 표면 기체 속도에 대한 아론적 플레이트와 동일한 고도를 플럿트화 한 것이다.

Claims (4)

  1. 적어도 하나의 탑을 함유하는 증류탑 시스템의 어떤 지역에서 산호, 아르곤 및 질소를 함유화는 액체상 스트림과 산소, 아르곤 및 질소를 함유하는 기체상 스트림을 친밀히 접촉시키고, 액체상 스트림이 산소로 품부하게 되고 액체상 스트림으로부터 아르곤을 제거하고 아르곤을 증기상 스트림을 풍부하게 하고 증기상 스트림으로부터 산소를 제거하는 물질전달을 일으켜 산소, 질소 및 아르곤함유의 혼합물을 분리하는 공정에 있어서, 아르곤 농도가 약 0.6-약 75부피%의 범주인 증류탑 시스템의 지역에서 구조화된 팩킹을 이용하는 액체 및 기체상 스트림을 친밀히 접촉시키고 이러한 지역에서의 밀도표면기체속도가 1초당 적어도 0.06ft인 공정을 수행하는 것을 특징으로 하는 산소, 질소 및 아르곤 함유 혼합물의 분리공정.
  2. 제 1 항에 있어서, 혼합물은 공기인 것을 특징으로 하는 공정.
  3. 적어도 하나의 탑을 함유 하는 증류탑 시스템의 어떤 지역에서 산소, 아르곤을 함유하는 엑체상 스트림과 산소, 아르곤 및 질소를 함유하는 기체상 스트림을 친밀히 접촉시키고, 액체상 스트림이 산소로 풍부하게 되고 액체상 스트림으로부터 아르곤을 제거하고 아르곤으로 증기상 스트림을 풍부하게 하고 증기상 스트림으로부터 산소를 제거하는 물질전달을 일으켜, 산소, 아르곤함유의 혼합물을 분리하는 공정에 있어서 아르곤 농도가 약 0.6- 약 75부피%의 범주인 증류탑 시스템의 지역에서 구조화된 팩킹을 이용하는 액체 및 기체상 스트림을 친밀히 접촉시키고 이러한 지역에서의 밀도표면기체속도가 1 초당 적어도 0.06ft인 공정을 수행하는 것을 특징으로 하는 산소, 아르곤 함유 혼합물의 분리공정.
  4. 아르곤 농도가 약 0.6- 약 75부피%인 증류탑 시스템의 적어도 한 지점에서 구조화된 팩킹을 증류 트레이 대신 사용되는 단계를 포함하여 산소 및 아르곤 함유 혼합물 분리를 위한 적어도 하나의 증류탑을 갖는 저온증류장치를 개선시키는 공정
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880016622A 1987-12-14 1988-12-14 구조화된 팩킹을 사용한 아르곤/산소 혼합물의 분리방법 KR910002167B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US132535 1987-12-14
US07/132,535 US4836836A (en) 1987-12-14 1987-12-14 Separating argon/oxygen mixtures using a structured packing

Publications (2)

Publication Number Publication Date
KR890009440A true KR890009440A (ko) 1989-08-02
KR910002167B1 KR910002167B1 (ko) 1991-04-06

Family

ID=22454484

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880016622A KR910002167B1 (ko) 1987-12-14 1988-12-14 구조화된 팩킹을 사용한 아르곤/산소 혼합물의 분리방법

Country Status (12)

Country Link
US (1) US4836836A (ko)
EP (1) EP0321163B1 (ko)
JP (1) JPH07113514B2 (ko)
KR (1) KR910002167B1 (ko)
CA (1) CA1280964C (ko)
DE (1) DE3855487T2 (ko)
DK (1) DK166105C (ko)
ES (1) ES2092985T3 (ko)
FI (1) FI89410B (ko)
MX (1) MX165562B (ko)
NO (1) NO169197C (ko)
ZA (1) ZA889359B (ko)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3840506A1 (de) * 1988-12-01 1990-06-07 Linde Ag Verfahren und vorrichtung zur luftzerlegung
KR960003274B1 (ko) * 1990-01-23 1996-03-07 유니온 카바이드 인더스트리얼 개시즈 테크놀로지 코포레이션 혼성아르곤컬럼을 갖는 저온공기분리시스템
US5019144A (en) * 1990-01-23 1991-05-28 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system with hybrid argon column
US5076823A (en) * 1990-03-20 1991-12-31 Air Products And Chemicals, Inc. Process for cryogenic air separation
GB9008752D0 (en) * 1990-04-18 1990-06-13 Boc Group Plc Air separation
US5129932A (en) * 1990-06-12 1992-07-14 Air Products And Chemicals, Inc. Cryogenic process for the separation of air to produce moderate pressure nitrogen
US5077978A (en) * 1990-06-12 1992-01-07 Air Products And Chemicals, Inc. Cryogenic process for the separation of air to produce moderate pressure nitrogen
US5098456A (en) * 1990-06-27 1992-03-24 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system with dual feed air side condensers
US5114452A (en) * 1990-06-27 1992-05-19 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system for producing elevated pressure product gas
US5108476A (en) * 1990-06-27 1992-04-28 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system with dual temperature feed turboexpansion
US5148680A (en) * 1990-06-27 1992-09-22 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system with dual product side condenser
US5100448A (en) * 1990-07-20 1992-03-31 Union Carbide Industrial Gases Technology Corporation Variable density structured packing cryogenic distillation system
US5159816A (en) * 1991-05-14 1992-11-03 Air Products And Chemicals, Inc. Method of purifying argon through cryogenic adsorption
US5133790A (en) * 1991-06-24 1992-07-28 Union Carbide Industrial Gases Technology Corporation Cryogenic rectification method for producing refined argon
US5161380A (en) * 1991-08-12 1992-11-10 Union Carbide Industrial Gases Technology Corporation Cryogenic rectification system for enhanced argon production
FR2689223B1 (fr) † 1992-03-24 1994-05-06 Air Liquide Procede et installation de transfert de fluide en provenance d'une colonne de distillation, notamment d'air.
JPH06307762A (ja) * 1993-04-22 1994-11-01 Kobe Steel Ltd アルゴンの製造装置
DE4317916A1 (de) * 1993-05-28 1994-12-01 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Argon
DE4406051A1 (de) * 1994-02-24 1995-08-31 Linde Ag Verfahren und Vorrichtung zur Gewinnung von reinem Argon
US5396772A (en) * 1994-03-11 1995-03-14 The Boc Group, Inc. Atmospheric gas separation method
US5522224A (en) * 1994-08-15 1996-06-04 Praxair Technology, Inc. Model predictive control method for an air-separation system
JP3319174B2 (ja) 1994-09-19 2002-08-26 株式会社日立製作所 充填物及び空気分離装置
US5557951A (en) * 1995-03-24 1996-09-24 Praxair Technology, Inc. Process and apparatus for recovery and purification of argon from a cryogenic air separation unit
DE69631467T2 (de) * 1995-06-20 2004-12-02 Nippon Sanso Corp. Verfahren und vorrichtung zur abtrennung von argon
US5644932A (en) * 1996-05-21 1997-07-08 Air Products And Chemicals, Inc. Use of structured packing in a multi-sectioned air seperation unit
US5857357A (en) * 1997-07-18 1999-01-12 Praxair Technology, Inc. Column configuration and method for argon production
US5921109A (en) * 1998-10-21 1999-07-13 Praxair Technology, Inc. Method for operating a cryogenic rectification column
US6357728B1 (en) 1999-03-15 2002-03-19 Air Products And Chemicals, Inc. Optimal corrugated structured packing
US6128922A (en) * 1999-05-21 2000-10-10 The Boc Group, Inc. Distillation method and column
CA3063409A1 (en) 2017-05-16 2018-11-22 Terrence J. Ebert Apparatus and process for liquefying gases

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173778A (en) * 1961-01-05 1965-03-16 Air Prod & Chem Separation of gaseous mixtures including argon
US3254497A (en) * 1962-08-24 1966-06-07 Reed Roller Bit Co Prevention of solid hydrates in the liquefaction of natural gases
FR2041701B1 (ko) * 1969-05-05 1974-02-01 Air Liquide
US4128684A (en) * 1974-07-09 1978-12-05 Sulzer Brothers Limited Method of producing a packing and a packing layer made thereby
IT1034544B (it) * 1975-03-26 1979-10-10 Siad Procedimento ed impianto per il frazionamento dell aria con colon na a semplice rettifica
CH617357A5 (ko) * 1977-05-12 1980-05-30 Sulzer Ag
CH618006A5 (ko) * 1977-05-12 1980-06-30 Sulzer Ag
CH653565A5 (de) * 1981-07-30 1986-01-15 Sulzer Ag Vorrichtung zum stoff- und/oder direkten waermeaustausch oder mischen.
EP0070915A1 (de) * 1981-07-30 1983-02-09 GebràœDer Sulzer Aktiengesellschaft Einbauelement für eine Vorrichtung für Stoff- und direkten Wärmeaustausch und Mischen
CH653566A5 (de) * 1981-07-30 1986-01-15 Sulzer Ag Kolonne fuer stoff- und direkten waermeaustausch.
CH656321A5 (de) * 1981-07-30 1986-06-30 Sulzer Ag Einbauelement fuer eine vorrichtung fuer stoff- und/oder direkten waermeaustausch oder mischen.
US4604116A (en) * 1982-09-13 1986-08-05 Erickson Donald C High pressure oxygen pumped LOX rectifier
US4605427A (en) * 1983-03-31 1986-08-12 Erickson Donald C Cryogenic triple-pressure air separation with LP-to-MP latent-heat-exchange
US4533375A (en) * 1983-08-12 1985-08-06 Erickson Donald C Cryogenic air separation with cold argon recycle
US4578095A (en) * 1984-08-20 1986-03-25 Erickson Donald C Low energy high purity oxygen plus argon
US4670031A (en) * 1985-04-29 1987-06-02 Erickson Donald C Increased argon recovery from air distillation
US4737177A (en) * 1986-08-01 1988-04-12 Erickson Donald C Air distillation improvements for high purity oxygen

Also Published As

Publication number Publication date
AU602620B2 (en) 1990-10-18
EP0321163A3 (en) 1989-08-30
DK166105C (da) 2004-06-28
EP0321163A2 (en) 1989-06-21
ES2092985T3 (es) 1996-12-16
DE3855487D1 (de) 1996-09-26
CA1280964C (en) 1991-03-05
DK693788A (da) 1989-06-15
NO169197C (no) 1999-07-19
DK693788D0 (da) 1988-12-13
FI885761A0 (fi) 1988-12-13
JPH07113514B2 (ja) 1995-12-06
DE3855487T2 (de) 1997-01-23
MX165562B (es) 1992-11-23
FI89410B (fi) 1993-06-15
NO169197B (no) 1992-02-10
NO885528D0 (no) 1988-12-13
EP0321163B1 (en) 1996-08-21
ZA889359B (en) 1990-08-29
KR910002167B1 (ko) 1991-04-06
FI885761A (fi) 1989-06-15
US4836836A (en) 1989-06-06
AU2682688A (en) 1989-07-06
DK166105B (da) 1993-03-08
JPH01244269A (ja) 1989-09-28
NO885528L (no) 1989-06-15

Similar Documents

Publication Publication Date Title
KR890009440A (ko) 구조화된 팩킹을 사용한 아르곤/산소 혼합물의 분리공정
KR890015774A (ko) 산소 및 아르곤 회수를 위해 패크된 컬럼을 이용하는 공기분리 방법
US4383841A (en) Distillative separation of carbon dioxide from hydrogen sulfide
KR840004569A (ko) 크립톤 및 크세논의 제조를 위한 공기 분리방법
GB1501294A (en) Purification of natural gas
KR950007913A (ko) 변화하는 크림프각을 갖는 구조 패킹을 사용하는 증류컬럼
ATE40371T1 (de) Verfahren zur kontinuierlichen herstellung von alkoxysilanen.
CA2049236A1 (en) Method and apparatus to start-up a controlled freezing zone process and purify the product stream
US4293322A (en) Distillative separation of carbon dioxide from hydrogen sulfide
KR870009750A (ko) 순도 안정화에 뛰어난 일산화탄소의 분리 정제방법
KR930000379A (ko) 정제 아르곤을 제조하기 위한 저온 정류방법
MY114260A (en) Atmospheric gas separation method
GB1234862A (en) Separating gas mixtures by selective absorption in liquids
DE59209795D1 (de) Anlage zur Tieftemperaturzerlegung von Luft
CA2035050A1 (en) Production of oxygen-lean argon from air
KR890003724A (ko) 증류에 의한 테트라히드로푸란의 정제방법
GB1444176A (en) Isotopically enriched helium - 4
KR970011765A (ko) 저온 공기분리 플랜트로부터 초고순도 산소를 분리하는 방법
DE60008455D1 (de) Tieftemperaturdestillationsanlage zur Luftzerleggung
ID19527A (id) Metode pemisahan udara dan alatnya
KR940002591A (ko) 몇가지 상이한 순도로 질소가스를 제조하는 방법 및 장치
KR930020130A (ko) 질소와 극고순도의 산소를 제조하기 위한 저온 정류시스템
EP0320885A3 (en) Suitable distillation packing for the cryogenic separation of air
DE3069929D1 (en) Distillative freezing process for separating close boiling mixtures
ATE48691T1 (de) Verfahren zur gewinnung eines kryptonxenonkonzentrats und ein gasfoermiges sauerstoffprodukt.

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080331

Year of fee payment: 18

EXPY Expiration of term