KR970061779A - 일산화탄소를 제조하는 방법 및 장치 - Google Patents
일산화탄소를 제조하는 방법 및 장치 Download PDFInfo
- Publication number
- KR970061779A KR970061779A KR1019970004205A KR19970004205A KR970061779A KR 970061779 A KR970061779 A KR 970061779A KR 1019970004205 A KR1019970004205 A KR 1019970004205A KR 19970004205 A KR19970004205 A KR 19970004205A KR 970061779 A KR970061779 A KR 970061779A
- Authority
- KR
- South Korea
- Prior art keywords
- permeate
- methane
- producing
- carbon monoxide
- producing carbon
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/40—Carbon monoxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/501—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/506—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification at low temperatures
-
- 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
- F25J3/0204—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 characterised by the feed stream
- F25J3/0223—H2/CO mixtures, i.e. synthesis gas; Water gas or shifted synthesis gas
-
- 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
- F25J3/0228—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 characterised by the separated product stream
- F25J3/0252—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 characterised by the separated product stream separation of hydrogen
-
- 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
- F25J3/0228—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 characterised by the separated product stream
- F25J3/0261—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 characterised by the separated product stream separation of carbon monoxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/046—Purification by cryogenic separation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
- C01B2203/047—Composition of the impurity the impurity being carbon monoxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
- C01B2203/0475—Composition of the impurity the impurity being carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
- C01B2203/048—Composition of the impurity the impurity being an organic compound
-
- 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
- F25J2205/30—Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes
-
- 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
- F25J2205/40—Processes or apparatus using other separation and/or other processing means using hybrid system, i.e. combining cryogenic and non-cryogenic separation techniques
-
- 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
- F25J2205/80—Processes or apparatus using other separation and/or other processing means using membrane, i.e. including a permeation step
-
- 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
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/04—Mixing or blending of fluids with the feed 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
- F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Carbon And Carbon Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Industrial Gases (AREA)
Abstract
본 발명은 일산화탄소를 제조하는 방법에 관한 것으로서, 본 발명의 방법에 있어서는 공급 유체로부터 생성된 합성 가스를 저온학적 증류 단계에 의해서 분리시킨다. 잔류하는 메탄이 농후한 분류물은 공급 유체로 재순환시킨다. 또한 본 발명은 일산화탄소를 제조하기 위한 장치에 관한 것이다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 장치의 개요도이다.
Claims (11)
- 공급 유체로부터 합성 가스를 생성한 후에 그 가스를 분리시키므로써 일산화탄소(CO)를 제조하는 방법에 있어서, 잔류하는 메탄이 농후한 분류물의 적어도 일부분을 공급 유체로 재순환시키는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 메탄이 농후한 잔류물이 투과 단계에 의해 생성되는 방법.
- 제1항에 있어서, 상기 투과 단계는 수소와 메탄을 포함하는 가스 혼합물을 분리시키는 방법.
- 제3항에 있어서, 상기 투과 단계의 불투과생성물로 이루어진 분류물의 대부분 또는 전부를 재순환시키는 방법.
- 제3항에 있어서, 상기 투과 단계의 투과생성물의 압력을 조정하여 상기 투과생성물의 조성을 조절하는 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 합성 가스를 저온학적 중류에 의해 분리시키는 방법.
- CO를 함유하는 합성 가스를 생성하기 위한 수단(1), 상기 가스를 분리시키기 위한 수단(3), 및 상기 분리 수단에 의해 배출된 잔류하는 메탄이 농후한 분류물의 일부분을 상기 합성 가스를 생성하기 위한 수단의 주입구로 복귀시키기 위한 수단을 포함하여, 일산화탄소(CO)를 제조하기 위한 장치.
- 제7항에 있어서, 투과 수단이 정제 수단에 의해 배출된 흐름으로부터 잔류 메탄이 농후한 분류물을 생성하는 장치.
- 제8항에 있어서, 정제 수단에 의해 배출된 흐름이 수소와 메탄을 함유하는 장치.
- 제9항에 있어서, 투과 단계의 투과생성물의 압력을 조정하기 위한 수단(19)를 포함하는 장치.
- 제7항 내지 제10항 중 어느 한 항에 있어서, 상기 합성 가스를 분리시키기 위한 수단이 저온학적 분리 수단인 장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9601962 | 1996-02-16 | ||
FR9601962A FR2745000A1 (fr) | 1996-02-16 | 1996-02-16 | Procede et installation de production de monoxyde de carbone |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970061779A true KR970061779A (ko) | 1997-09-12 |
Family
ID=9489296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970004205A KR970061779A (ko) | 1996-02-16 | 1997-02-13 | 일산화탄소를 제조하는 방법 및 장치 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0790212A1 (ko) |
KR (1) | KR970061779A (ko) |
CN (1) | CN1172069A (ko) |
CA (1) | CA2197529A1 (ko) |
FR (1) | FR2745000A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2838424B1 (fr) * | 2002-04-15 | 2004-05-28 | Air Liquide | Procede et installation de separation d'un melange d'hydrogene et de monoxyde de carbone |
US7066984B2 (en) * | 2003-09-25 | 2006-06-27 | The Boc Group, Inc. | High recovery carbon monoxide production process |
FR2861165B1 (fr) * | 2003-10-20 | 2005-12-16 | Air Liquide | Procede et appareil pour la production de monoxyde de carbone et/ou d'hydrogene et/ou d'un melange d'hydrogene et de monoxyde de carbone par distillation cryogenique |
KR101304652B1 (ko) * | 2005-06-06 | 2013-09-05 | 레르 리키드 쏘시에떼 아노님 뿌르 레?드 에렉스뿔라따시옹 데 프로세데 조르즈 클로드 | 수소 및 일산화탄소의 동시적 제조 방법 |
DE102006006281A1 (de) * | 2006-02-10 | 2007-08-16 | Linde Ag | Verfahren zur Erzeugung von Kohlenmonoxid aus Synthesegas |
WO2014082702A1 (de) | 2012-11-29 | 2014-06-05 | Linde Aktiengesellschaft | Verfahren zum betrieb einer dampfreformierungsanlage |
DE102014003392A1 (de) | 2014-03-06 | 2015-09-10 | Linde Aktiengesellschaft | Verfahren zum Betrieb einer Dampfreformierungsanlage |
EP3599218A1 (de) * | 2015-10-01 | 2020-01-29 | L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude | Verfahren und anlage zur erzeugung von synthesegas mit variabler zusammensetzung |
FR3052159B1 (fr) | 2016-06-06 | 2018-05-18 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede et installation pour la production combinee d'un melange d'hydrogene et d'azote ainsi que de monoxyde de carbone par distillation et lavage cryogeniques |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3943236A (en) * | 1971-04-02 | 1976-03-09 | E. I. Du Pont De Nemours And Company | Reforming process for carbon monoxide |
US4836833A (en) * | 1988-02-17 | 1989-06-06 | Air Products And Chemicals, Inc. | Production and recovery of hydrogen and carbon monoxide |
FR2636250B1 (fr) * | 1988-09-12 | 1992-01-17 | Air Liquide | Procede et installation de recuperation d'hydrogene et de monoxyde de carbone |
US5073356A (en) * | 1990-09-20 | 1991-12-17 | Air Products And Chemicals, Inc. | Integrated processes for the production of carbon monoxide |
DE4236263A1 (de) * | 1992-10-27 | 1994-04-28 | Linde Ag | Verfahren zum Gewinnen eines hochreinen Wasserstoff- und eines hochreinen Kohlenmonoxidstromes |
US5435836A (en) * | 1993-12-23 | 1995-07-25 | Air Products And Chemicals, Inc. | Hydrogen recovery by adsorbent membranes |
FR2718428B1 (fr) * | 1994-04-11 | 1997-10-10 | Air Liquide | Procédé et installation de production de monoxyde de carbone. |
-
1996
- 1996-02-16 FR FR9601962A patent/FR2745000A1/fr not_active Withdrawn
-
1997
- 1997-01-31 EP EP97400223A patent/EP0790212A1/fr not_active Withdrawn
- 1997-02-13 KR KR1019970004205A patent/KR970061779A/ko not_active Application Discontinuation
- 1997-02-13 CA CA002197529A patent/CA2197529A1/en not_active Abandoned
- 1997-02-14 CN CN97109524A patent/CN1172069A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2745000A1 (fr) | 1997-08-22 |
CN1172069A (zh) | 1998-02-04 |
CA2197529A1 (en) | 1997-08-17 |
EP0790212A1 (fr) | 1997-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7731923B2 (en) | Method for simultaneously producing hydrogen and carbon monoxide | |
KR920006229A (ko) | 일산화탄소 생성을 위한 통합적 방법 | |
CA2489479C (en) | Process to remove nitrogen and/or carbon dioxide from methane-containing streams | |
EP0579290B2 (en) | Separation of gas mixtures including hydrogen | |
KR880005958A (ko) | 기체 스트림 성분의 분리 공정 | |
EP1544166A2 (en) | High recovery carbon monoxide production process | |
ES2046350T3 (es) | Procedimiento de membrana para la recuperacion de hidrocarburos liquidos. | |
KR950016823A (ko) | 흡착성 막에 의한 수소의 회수 방법 | |
EP2873939B1 (en) | Process and apparatus for the production of CO and CO2 | |
WO2010015764A3 (fr) | Procédé de génération et de séparation d'un mélange d'hydrogène et de monoxyde de carbone par distillation cryogénique | |
KR970706051A (ko) | 반투막을 이용한 다단계 가스 분리방법(multiple stage semi-permeable membrane gas separation process) | |
EA200800325A1 (ru) | Извлечение моноксида углерода и водорода из углеводородных потоков | |
KR860008792A (ko) | 가스 분리방법 | |
AR023974A1 (es) | Reciclo de hidrogeno y remocion de gases acidos utilizando una membrana | |
CA2032560A1 (en) | Process and apparatus for removing carbon monoxide from a gaseous mixture containing hydrogen | |
AR016142A1 (es) | Procedimiento para la separacion/recuperacion de gases mediante una membrana/sistema de adsorcion por oscilacion de presion (aop) | |
CA2049499A1 (en) | Argon recovery from partial oxidation based ammonia plant waste gases | |
AU733502B2 (en) | Process for recovering olefins | |
KR900004372A (ko) | 가스 혼합물로부터 중간 투과성 성분을 분리하는 방법 및 장치 | |
KR970061779A (ko) | 일산화탄소를 제조하는 방법 및 장치 | |
AU2003249147A1 (en) | Method and installation for separating a mixture of hydrogen and carbon monoxide | |
US10633313B1 (en) | Method for maximizing the value of gas streams containing carbon monoxide, carbon dioxide, and hydrogen | |
US5693121A (en) | Semi-permeable membrane separation process for the production of very high purity nitrogen | |
RO84536B (ro) | Procedeu de sinteza a amoniacului | |
MY125560A (en) | Method for the preparation of methanol from natural gas |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Withdrawal due to no request for examination |