ZA885238B - Process for producing high purity oxygen gas from air - Google Patents

Process for producing high purity oxygen gas from air

Info

Publication number
ZA885238B
ZA885238B ZA885238A ZA885238A ZA885238B ZA 885238 B ZA885238 B ZA 885238B ZA 885238 A ZA885238 A ZA 885238A ZA 885238 A ZA885238 A ZA 885238A ZA 885238 B ZA885238 B ZA 885238B
Authority
ZA
South Africa
Prior art keywords
air
high purity
oxygen gas
producing high
purity oxygen
Prior art date
Application number
ZA885238A
Other languages
English (en)
Inventor
Kazuo Haruna
Haruna Kazuo
Kanji Ueda
Ueda Kanji
Masahiro Inoue
Inoue Masahiro
Hitosi Someda
Someda Hitosi
Original Assignee
Seitetsu Kagaku Co Ltd
Bergwerksverband Gmbh
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 Seitetsu Kagaku Co Ltd, Bergwerksverband Gmbh filed Critical Seitetsu Kagaku Co Ltd
Publication of ZA885238B publication Critical patent/ZA885238B/xx

Links

Classifications

    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0476—Vacuum pressure swing adsorption
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/104—Alumina
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/116—Molecular sieves other than zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/308—Pore size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40013—Pressurization
    • B01D2259/40015—Pressurization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/4002—Production
    • B01D2259/40022—Production with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40028—Depressurization
    • B01D2259/4003—Depressurization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40035—Equalization
    • B01D2259/40037—Equalization with two sub-steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043—Purging
    • B01D2259/4005—Nature of purge gas
    • B01D2259/40052—Recycled product or process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40066—Six
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40077—Direction of flow
    • B01D2259/40081—Counter-current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/414—Further details for adsorption processes and devices using different types of adsorbents
    • B01D2259/4141—Further details for adsorption processes and devices using different types of adsorbents within a single bed
    • B01D2259/4145—Further details for adsorption processes and devices using different types of adsorbents within a single bed arranged in series
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/0473—Rapid pressure swing adsorption
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
ZA885238A 1987-08-07 1988-07-20 Process for producing high purity oxygen gas from air ZA885238B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62198870A JP2562326B2 (ja) 1987-08-07 1987-08-07 空気から高濃度酸素を取得する方法

Publications (1)

Publication Number Publication Date
ZA885238B true ZA885238B (en) 1989-04-26

Family

ID=16398293

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA885238A ZA885238B (en) 1987-08-07 1988-07-20 Process for producing high purity oxygen gas from air

Country Status (10)

Country Link
US (1) US4985052A (zh)
EP (1) EP0302658B1 (zh)
JP (1) JP2562326B2 (zh)
KR (1) KR960004606B1 (zh)
CN (1) CN1017331B (zh)
AU (1) AU604950B2 (zh)
CA (1) CA1322971C (zh)
DE (1) DE3886297T2 (zh)
ES (1) ES2049253T3 (zh)
ZA (1) ZA885238B (zh)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8812642D0 (en) * 1988-05-27 1988-06-29 Boc Group Plc Separation of gas mixtures
US5137549A (en) * 1988-10-14 1992-08-11 Vbm Corporation Two stage super-enriched oxygen concentrator
FR2647431B1 (fr) * 1989-05-24 1991-08-16 Air Liquide Procede et installation de production d'oxygene gazeux sous haute pression
US4973339A (en) * 1989-10-18 1990-11-27 Airsep Corporation Pressure swing absorption process and system for gas separation
DE3941487C1 (zh) * 1989-12-15 1991-04-25 Bergwerksverband Gmbh, 4300 Essen, De
DE69124276T2 (de) * 1990-03-29 1997-05-07 Boc Group Inc Verfahren zur Herstellung eines mit Sauerstoff angereicherten Produktstroms
JPH03291406A (ja) * 1990-04-06 1991-12-20 Sumitomo Seika Chem Co Ltd 燃焼装置
US5096470A (en) * 1990-12-05 1992-03-17 The Boc Group, Inc. Hydrogen and carbon monoxide production by hydrocarbon steam reforming and pressure swing adsorption purification
JP3215713B2 (ja) * 1992-03-17 2001-10-09 クラレケミカル株式会社 窒素ガス分離方法
US5226933A (en) * 1992-03-31 1993-07-13 Ohio State University Pressure swing adsorption system to purify oxygen
EP0573921A3 (en) * 1992-06-12 1994-09-28 Seiko Instr Inc Semiconductor device having a semiconductor film of low oxygen concentration
US5391358A (en) * 1992-08-21 1995-02-21 Praxair Technology, Inc. Gas purification system
AU5135593A (en) * 1992-09-22 1994-04-12 Arbor Research Corporation System for separation of oxygen from argon/oxygen mixture
US5281258A (en) * 1992-12-21 1994-01-25 Uop Removal of mercury impurity from natural gas
US5281259A (en) * 1992-12-21 1994-01-25 Uop Removal and recovery of mercury from fluid streams
US5395427A (en) * 1994-01-12 1995-03-07 Air Products And Chemicals, Inc. Two stage pressure swing adsorption process which utilizes an oxygen selective adsorbent to produce high purity oxygen from a feed air stream
US5766310A (en) * 1996-07-19 1998-06-16 Litton Systems Incorporated Single stage secondary high purity oxygen concentrator
CN1052701C (zh) * 1997-04-08 2000-05-24 浙江大学 生产多种浓度富氧气的方法及装置
US6656878B2 (en) 1998-03-09 2003-12-02 Honeywell International Inc. High capacity adsorbent for oxygen storage at cryogenic temperature
FR2781693B1 (fr) * 1998-07-31 2000-09-08 Inst Francais Du Petrole Procede et installation de traitement d'un gaz naturel a fortes teneurs en co2 et n2 avec recyclage
FR2781694B1 (fr) * 1998-07-31 2000-12-15 Inst Francais Du Petrole Procede et installation de traitement d'un gaz naturel a fortes teneurs en n2 avec recyclage
FR2781692B1 (fr) * 1998-07-31 2001-01-05 Inst Francais Du Petrole Traitement du gaz naturel a fortes teneurs en azote et/ou dioxyde de carbone par adsorption et son installation
US6197092B1 (en) 1999-03-22 2001-03-06 Engelhard Corporation Selective removal of nitrogen from natural gas by pressure swing adsorption
FR2799987B1 (fr) * 1999-10-25 2002-04-26 Air Liquide Procede d'epuration d'un gaz par adsorption de deux impuretes et dispositif correspondant
US6394089B1 (en) * 2000-01-18 2002-05-28 Northrop Grumman Corporation Patient ventilator oxygen concentration system
JP3891773B2 (ja) * 2000-10-20 2007-03-14 大陽日酸株式会社 ガスの分離精製方法及びその装置
US6444012B1 (en) 2000-10-30 2002-09-03 Engelhard Corporation Selective removal of nitrogen from natural gas by pressure swing adsorption
US6497750B2 (en) 2001-02-26 2002-12-24 Engelhard Corporation Pressure swing adsorption process
JP3902416B2 (ja) * 2001-04-16 2007-04-04 大陽日酸株式会社 ガス分離方法
US7468096B2 (en) * 2003-05-23 2008-12-23 Yonsei University Apparatus for producing oxygen and method for controlling the same
KR100565210B1 (ko) * 2004-08-19 2006-03-30 엘지전자 주식회사 기체 분리 장치
ZA200508908B (en) * 2004-12-14 2006-09-27 Intaka Invest Proprietary Ltd Oxygen system
KR100715532B1 (ko) * 2005-02-01 2007-05-07 주식회사 옥서스 보조산소발생부를 갖는 산소발생장치
US8177886B2 (en) * 2009-05-07 2012-05-15 General Electric Company Use of oxygen concentrators for separating N2 from blast furnace gas
US20110209707A1 (en) * 2010-02-26 2011-09-01 Nellcor Puritan Bennett Llc Method And Apparatus For Oxygen Reprocessing Of Expiratory Gases In Mechanical Ventilation
CN102502511B (zh) * 2011-11-01 2013-09-18 济南宝丰电气有限公司 高浓度分子筛制氧设备
GB2507557B (en) * 2012-11-05 2015-06-10 Nano Porous Solutions Ltd Pressure swing adsorption apparatus
FR3028188A1 (fr) * 2014-11-07 2016-05-13 Novair Dispositif de production d’oxygene purifie
CN104958995A (zh) * 2015-06-23 2015-10-07 江苏中远环保科技有限公司 一种氮气加热真空脱附的活性炭有机废气治理工艺及其装置
US9808755B2 (en) 2015-07-24 2017-11-07 Air Products And Chemicals, Inc. Sour pressure swing adsorption process
CN110127618A (zh) * 2019-05-18 2019-08-16 山西汾西重工有限责任公司 一种高纯氧气的制备装置及其制备方法
CN111111377B (zh) * 2019-11-26 2022-06-10 姬茂旺 一种去除雾霾并提供富氧空气的装置
EP4137451A4 (en) * 2020-04-14 2024-01-17 Chengdu Yingchen Tech Co Ltd METHOD FOR A MOVABLE PRESSURE SWING ADSORPTION OXYGEN PRODUCTION DEVICE
CN111989149A (zh) * 2020-04-14 2020-11-24 成都盈辰科技有限公司 一种移动式变压吸附氧气生产装置的方法
CN114768465B (zh) * 2022-03-31 2023-11-28 上海交通大学 一种多级复叠连续固体吸附碳捕集系统及运行方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1449864A (en) * 1973-10-24 1976-09-15 Boc International Ltd Adsorption system
US4190424A (en) * 1975-07-17 1980-02-26 Boc Limited Gas separation
US4222750A (en) * 1976-08-16 1980-09-16 Champion Spark Plug Company Oxygen enrichment system for medical use
JPS5399091A (en) * 1977-02-10 1978-08-30 Osaka Sanso Kougiyou Kk Method of concentrating oxygen gas
DE2724763C2 (de) * 1977-06-01 1984-02-16 Linde Ag, 6200 Wiesbaden Verfahren zum Reinigen und Zerlegen eines Gasgemisches
CA1153316A (en) * 1979-09-28 1983-09-06 Paul J. Gardner Rapid cycle gas separation system
US4386945A (en) * 1982-02-01 1983-06-07 Litton Systems, Inc. Process and compound bed means for evolving a first component enriched gas
FR2534827A1 (fr) * 1982-10-22 1984-04-27 Air Liquide Procede de traitement de gaz par adsorption comportant plusieurs adsorbeurs en phase de production simultanee
JPS5992907A (ja) * 1982-11-19 1984-05-29 Seitetsu Kagaku Co Ltd 高濃度アルゴンの製造方法
US4482361A (en) * 1983-01-14 1984-11-13 Union Carbide Corporation Pressure swing adsorption process
JPS607920A (ja) * 1983-06-29 1985-01-16 Hitachi Ltd 非凝縮性混合ガスの分離方法
US4512780A (en) * 1983-11-08 1985-04-23 Union Carbide Corporation Pressure swing adsorption with intermediate product recovery
DE3402533A1 (de) * 1984-01-26 1985-08-01 Bergwerksverband Gmbh, 4300 Essen Verfahren zur gewinnung von sauerstoff mit einem argon-anteil unter o,5 % aus feuchter luft
JPS60246206A (ja) * 1984-05-22 1985-12-05 Seitetsu Kagaku Co Ltd 高濃度酸素の製造方法
FR2569352B1 (fr) * 1984-08-24 1986-12-05 Air Liquide Procede et installation de production d'air suroxygene par adsorption
US4744803A (en) * 1985-08-19 1988-05-17 The Ohio State University Research Foundation Complementary pressure swing adsorption
JPS6261616A (ja) * 1985-09-11 1987-03-18 Nippon Steel Corp 混合ガスから高純度ガスを分離する方法
US4711645A (en) * 1986-02-10 1987-12-08 Air Products And Chemicals, Inc. Removal of water and carbon dioxide from atmospheric air
US4715867A (en) * 1986-04-04 1987-12-29 Calgon Carbon Corporation Auxiliary bed pressure swing adsorption molecular sieve
JPS63166702A (ja) * 1986-12-26 1988-07-09 Osaka Oxygen Ind Ltd 酸素ガス濃縮法
US4756723A (en) * 1987-03-04 1988-07-12 Air Products And Chemicals, Inc. Preparation of high purity oxygen

Also Published As

Publication number Publication date
CA1322971C (en) 1993-10-12
CN1017331B (zh) 1992-07-08
EP0302658A3 (en) 1991-01-02
KR890004145A (ko) 1989-04-20
JP2562326B2 (ja) 1996-12-11
DE3886297T2 (de) 1994-03-31
EP0302658B1 (en) 1993-12-15
DE3886297D1 (de) 1994-01-27
US4985052A (en) 1991-01-15
JPS6443327A (en) 1989-02-15
AU2029888A (en) 1989-02-09
CN1031358A (zh) 1989-03-01
AU604950B2 (en) 1991-01-03
EP0302658A2 (en) 1989-02-08
KR960004606B1 (ko) 1996-04-09
ES2049253T3 (es) 1994-04-16

Similar Documents

Publication Publication Date Title
ZA885238B (en) Process for producing high purity oxygen gas from air
EP0334495A3 (en) Process for recovering oxygen enriched gas
ZA85645B (en) Process for producing oxygen of low argon content from air
ZA845429B (en) Nitrogen generator process for the production of low volumes of high purity nitrogen from compressed air
GB2233664B (en) Process for the production of synthesis gas
EG18232A (en) An improved process for the removal of acid gases from gas mixtures
DE3476114D1 (en) Apparatus for producing high-purity nitrogen gas
NZ225819A (en) Process for the production of synthesis gas from hydrocarbonacedus feedstock
ZA872713B (en) Process and apparatus for the production of synthesis gas
GB8803405D0 (en) Lightweight refractory & process for producing same
DE3567672D1 (en) Process for the production of synthesis gas
GB2057660B (en) Process and apparatus for producing low purity oxygen
ZA87912B (en) Process for the production of synthesis gas
DE3566833D1 (en) Apparatus for producing high-purity nitrogen gas
DE3567960D1 (en) Apparatus for producing high-purity nitrogen gas
GB2195557B (en) Process for gas enrichment
EP0172431A3 (en) Process for producing alcohols from synthesis gas
EP0305120A3 (en) Process for separating gas
GB8821722D0 (en) Process for producing high purity silica
GB2154895B (en) Process for producing oxygen-rich gas
GB2203673B (en) Process of improving the separation of noble gases from a gas mixture containing them
EP0304792A3 (en) Process for preparing polyarylensulfides of high purity
ZA856258B (en) Process for producing gas from carbon-containing fuels
GB2194958B (en) Synthesis gas production using air
EP0278378A3 (en) Process for the manufacture of highly pure tetrachloro-1process for the manufacture of highly pure tetrachloro-1,4-benzoquinone ,4-benzoquinone