ATE449300T1 - Verfahren und vorrichtung zur reinigung von wasserstoffbromid - Google Patents

Verfahren und vorrichtung zur reinigung von wasserstoffbromid

Info

Publication number: ATE449300T1
Authority: AT; Austria
Prior art keywords: hydrogen bromide; purifying hydrogen; hydrogen; purifying; crude
Prior art date: 2001-09-26

Application number

AT02770519T

Other languages

English (en)

Inventor

Arthur Holmer

James Natwora

Sateria Salim

Original Assignee

Praxair Technology Inc

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.)

2001-09-26

Filing date

2002-09-16

Publication date

2009-12-15

2002-09-16 Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc

2009-12-15 Application granted granted Critical

2009-12-15 Publication of ATE449300T1 publication Critical patent/ATE449300T1/de

Links

CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 title abstract 6
229910000042 hydrogen bromide Inorganic materials 0.000 title abstract 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
239000001569 carbon dioxide Substances 0.000 abstract 1
229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
239000001257 hydrogen Substances 0.000 abstract 1
229910052739 hydrogen Inorganic materials 0.000 abstract 1
125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
229910000041 hydrogen chloride Inorganic materials 0.000 abstract 1
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 abstract 1
239000012535 impurity Substances 0.000 abstract 1
229910052751 metal Inorganic materials 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
150000002739 metals Chemical class 0.000 abstract 1
229910052757 nitrogen Inorganic materials 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
229910001868 water Inorganic materials 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
- 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
- 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
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/093—Hydrogen bromide
- 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
- 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
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/104—Oxygen
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/108—Hydrogen
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
- 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
- B01D2257/502—Carbon monoxide
- 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
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
- 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
- B01D2259/41—Further details for adsorption processes and devices using plural beds of the same adsorbent in series
- 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
- 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
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
- 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
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Environmental & Geological Engineering (AREA)
Inorganic Chemistry (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
Separation Of Gases By Adsorption (AREA)
Treating Waste Gases (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)
Drying Of Gases (AREA)
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

AT02770519T 2001-09-26 2002-09-16 Verfahren und vorrichtung zur reinigung von wasserstoffbromid ATE449300T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US09/963,035 US6425265B1 (en)	2001-09-26	2001-09-26	Process and apparatus for purifying hydrogen bromide
PCT/US2002/029247 WO2003027581A2 (en)	2001-09-26	2002-09-16	A process and apparatus for purifying hydrogen bromide

Publications (1)

Publication Number	Publication Date
ATE449300T1 true ATE449300T1 (de)	2009-12-15

Family

ID=25506649

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT02770519T ATE449300T1 (de)	2001-09-26	2002-09-16	Verfahren und vorrichtung zur reinigung von wasserstoffbromid

Country Status (14)

Country	Link
US (1)	US6425265B1 (de)
EP (1)	EP1430262B1 (de)
JP (1)	JP2005503987A (de)
KR (1)	KR100923357B1 (de)
CN (1)	CN100374184C (de)
AT (1)	ATE449300T1 (de)
AU (1)	AU2002335756A1 (de)
CA (1)	CA2461536A1 (de)
DE (1)	DE60234456D1 (de)
ES (1)	ES2336313T3 (de)
IL (2)	IL160854A0 (de)
MY (1)	MY136342A (de)
TW (1)	TWI269780B (de)
WO (1)	WO2003027581A2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20080107580A1 (en)	2004-07-20	2008-05-08	Daniel Alvarez	Removal Of Metal Contaminants From Ultra-High Purity Gases
CN101185835B (zh) *	2007-08-23	2010-08-18	周滢	吸收和利用化工产品生产中产生的废气氯化氢的方法
KR100978806B1 (ko) *	2008-07-11	2010-08-30	(주)이노메이트	고순도 브롬화 수소의 제조방법 및 그의 제조장치
KR101129013B1 (ko) *	2009-09-24	2012-03-23	단일가스켐㈜	브롬화수소 정제방법 및 정제장치
CN106946645A (zh) *	2017-05-06	2017-07-14	洛阳和梦科技有限公司	脱除正己烷中微量溴反应性杂质的方法
CN107352511B (zh) *	2017-07-20	2019-10-01	绿菱电子材料（天津）有限公司	溴化氢提纯工艺
CN110526213A (zh) *	2019-10-14	2019-12-03	苏州金宏气体股份有限公司	一种溴化氢纯化方法
CN113582136B (zh) *	2021-08-10	2022-12-20	山东威泰精细化工有限公司	一种低水分溴化氢气体合成方法
CN115057413A (zh) *	2022-07-14	2022-09-16	中船(邯郸)派瑞特种气体股份有限公司	一种高纯溴化氢的制备方法及其在碳化硅器件沟槽结构加工中的应用
KR102748319B1 (ko) *	2023-11-29	2024-12-31	주식회사 솔 머티리얼즈	촉매를 이용한 브롬화수소 제조 장치 및 브롬화수소 제조 방법
CN117815823A (zh) *	2024-01-08	2024-04-05	金宏气体股份有限公司	一种高纯电子级溴化氢金属离子杂质控制装置及控制方法
CN120622411B (zh) *	2025-08-18	2026-02-24	潍坊汇韬化工有限公司	一种液化前除溴、除水、除杂质的溴化氢纯化方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4119413A (en) *	1976-04-05	1978-10-10	The Dow Chemical Company	Method for recovering hydrogen bromide gas
US4150548A (en) *	1976-10-26	1979-04-24	Kemp Reduction Corporation	Pollutant removal from pyrolytic gases by centrifuge and molecular sieves
US4925646A (en)	1987-03-24	1990-05-15	Advanced Technology Materials, Inc.	Process and composition for drying of gaseous hydrogen halides
US4853148A (en)	1987-03-24	1989-08-01	Advanced Technology Materials, Inc.	Process and composition for drying of gaseous hydrogen halides
US5316616A (en)	1988-02-09	1994-05-31	Fujitsu Limited	Dry etching with hydrogen bromide or bromine
JP2875480B2 (ja)	1994-09-14	1999-03-31	日本エア・リキード株式会社	高純度臭化水素精製方法及び装置
JP3566995B2 (ja) *	1994-10-05	2004-09-15	日本パイオニクス株式会社	ハロゲンガスの精製方法
IL126784A0 (en) *	1997-10-28	1999-08-17	Teijin Chemical Ltd	Method for purifying a bromine compound
US6110258A (en) *	1998-10-06	2000-08-29	Matheson Tri-Gas, Inc.	Methods for removal of water from gases using superheated zeolites

2001
- 2001-09-26 US US09/963,035 patent/US6425265B1/en not_active Expired - Lifetime
2002
- 2002-09-16 IL IL16085402A patent/IL160854A0/xx active IP Right Grant
- 2002-09-16 AU AU2002335756A patent/AU2002335756A1/en not_active Abandoned
- 2002-09-16 JP JP2003531098A patent/JP2005503987A/ja not_active Abandoned
- 2002-09-16 DE DE60234456T patent/DE60234456D1/de not_active Expired - Lifetime
- 2002-09-16 WO PCT/US2002/029247 patent/WO2003027581A2/en not_active Ceased
- 2002-09-16 ES ES02770519T patent/ES2336313T3/es not_active Expired - Lifetime
- 2002-09-16 EP EP02770519A patent/EP1430262B1/de not_active Expired - Lifetime
- 2002-09-16 AT AT02770519T patent/ATE449300T1/de not_active IP Right Cessation
- 2002-09-16 CA CA002461536A patent/CA2461536A1/en not_active Abandoned
- 2002-09-16 KR KR1020047004333A patent/KR100923357B1/ko not_active Expired - Fee Related
- 2002-09-16 CN CNB028188586A patent/CN100374184C/zh not_active Expired - Fee Related
- 2002-09-25 MY MYPI20023571A patent/MY136342A/en unknown
- 2002-09-25 TW TW091122058A patent/TWI269780B/zh not_active IP Right Cessation
2004
- 2004-03-11 IL IL160854A patent/IL160854A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
ES2336313T3 (es)	2010-04-12
WO2003027581A2 (en)	2003-04-03
KR100923357B1 (ko)	2009-10-23
DE60234456D1 (de)	2009-12-31
MY136342A (en)	2008-09-30
CN100374184C (zh)	2008-03-12
IL160854A (en)	2006-12-10
TWI269780B (en)	2007-01-01
JP2005503987A (ja)	2005-02-10
CN1559001A (zh)	2004-12-29
AU2002335756A1 (en)	2003-04-07
EP1430262B1 (de)	2009-11-18
IL160854A0 (en)	2004-08-31
KR20040037114A (ko)	2004-05-04
EP1430262A2 (de)	2004-06-23
WO2003027581A3 (en)	2003-07-03
US6425265B1 (en)	2002-07-30
CA2461536A1 (en)	2003-04-03
EP1430262A4 (de)	2004-12-01

Legal Events

Date	Code	Title	Description
2010-05-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties

Publication	Publication Date	Title
ATE449300T1 (de)	2009-12-15	Verfahren und vorrichtung zur reinigung von wasserstoffbromid
DE60043327D1 (de)	2009-12-31	Verfahren und Vorrichtung zur Abscheidung und Rückgewinnung von Kohlendioxid aus Verbrennungsabgasen
BRPI0800115A (pt)	2008-09-16	método para purificação de dióxido de carbono compreendendo um primeiro contaminante selecionado do grupo que consiste em oxigênio e monóxido de carbono, e aparelho para purificação de dióxido de carbono impuro compreendendo um primeiro contaminante selecionado do grupo que consiste em oxigênio e monóxido de carbono
NO20023053L (no)	2002-08-14	Fremgangsmåte og apparatur for gjenvinning av amin og fjerning av karbondioksid
ATE427780T1 (de)	2009-04-15	Verfahren zur ruckgewinnung von co2 und so2 aus gasstrímen
EA200800358A1 (ru)	2008-06-30	Способ извлечения диоксида углерода высокой степени чистоты из газообразных источников, содержащих соединения азота
ATE449159T1 (de)	2009-12-15	Verfahren und vorrichtung zur gastrennung
DE60018992D1 (de)	2005-04-28	Verfahren und vorrichtung zur entfernung von schwefelverbindungen aus schwefelwasserstoff, mercaptan, kohlendioxid und aromatische kohlenwasserstoffe enthaltendem gas
ATE538866T1 (de)	2012-01-15	Adsorptionsmasse und verfahren zur entfernung von kohlenmonoxid aus stoffströmen
AU2003299775A8 (en)	2004-07-22	Process and apparatus for hydrogen purification
NO20052226D0 (no)	2005-05-06	Fremgangsmate for a fjerne oksygen fra oljefinholdige prosessgasstrommer
DE60237144D1 (de)	2010-09-09	Vorrichtung und verfahren zum trennen von gasen
ATE546211T1 (de)	2012-03-15	Photolytische vorrichtung zur anreicherung mit sauerstoff sowie zur entfernung von kohlendioxid
DE60313863D1 (de)	2007-06-28	Verfahren und vorrichtung zur trennung eines gemischs von wasserstoff und kohlenmonoxid
ATE548324T1 (de)	2012-03-15	Verfahren zur aufbereitung von synthesegas
MY146536A (en)	2012-08-15	Removal of carbon dioxide from a gas stream
ATE382592T1 (de)	2008-01-15	Verfahren zur aufreinigung von (hydro)halogenkohlenstoffen
ATE521572T1 (de)	2011-09-15	Verfahren und systeme zur herstellung von phosgen
DE69931418D1 (de)	2006-06-29	Verfahren zur Entfernung von Kohlendioxid aus Gasen
ATE376872T1 (de)	2007-11-15	Verfahren und vorrichtung zur entfernung von distickstoffmonoxid
KR940018642A (ko)	1994-08-18	압축열을 이용한 정제 시스템
DE60129739D1 (de)	2007-09-13	Verfahren zur rückgewinnung von angereichertem, gasförmigen sauerstoff
NO20032985L (no)	2004-12-28	Fremgangsmate og anordning for rensing av luft og vann
WO2004010058A3 (en)	2004-04-15	Gas monitoring system and method
DE50103488D1 (de)	2004-10-07	Verfahren zur oxidation eines alkens