ATE222215T1 - Verfahren zur reinigung von perfluorierten produkten - Google Patents
Verfahren zur reinigung von perfluorierten produktenInfo
- Publication number
- ATE222215T1 ATE222215T1 AT98958520T AT98958520T ATE222215T1 AT E222215 T1 ATE222215 T1 AT E222215T1 AT 98958520 T AT98958520 T AT 98958520T AT 98958520 T AT98958520 T AT 98958520T AT E222215 T1 ATE222215 T1 AT E222215T1
- Authority
- AT
- Austria
- Prior art keywords
- cleaning
- products
- nitrogen trifluoride
- separated
- entraining agents
- 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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/083—Compounds containing nitrogen and non-metals and optionally metals containing one or more halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
-
- 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
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—Azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/083—Compounds containing nitrogen and non-metals and optionally metals containing one or more halogen atoms
- C01B21/0832—Binary compounds of nitrogen with halogens
- C01B21/0835—Nitrogen trifluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/083—Compounds containing nitrogen and non-metals and optionally metals containing one or more halogen atoms
- C01B21/0832—Binary compounds of nitrogen with halogens
- C01B21/0835—Nitrogen trifluoride
- C01B21/0837—Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6499397P | 1997-11-10 | 1997-11-10 | |
US8614698P | 1998-05-20 | 1998-05-20 | |
US09/189,322 US6458249B2 (en) | 1997-11-10 | 1998-11-09 | Process for purifying perfluorinated products |
PCT/US1998/023965 WO1999024358A1 (en) | 1997-11-10 | 1998-11-10 | Process for purifying perfluorinated products |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE222215T1 true ATE222215T1 (de) | 2002-08-15 |
Family
ID=27370715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98958520T ATE222215T1 (de) | 1997-11-10 | 1998-11-10 | Verfahren zur reinigung von perfluorierten produkten |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1030818B1 (de) |
JP (1) | JP2001522774A (de) |
KR (1) | KR100588025B1 (de) |
CN (4) | CN1219739C (de) |
AT (1) | ATE222215T1 (de) |
AU (1) | AU1455099A (de) |
CA (1) | CA2306800A1 (de) |
DE (1) | DE69807254T2 (de) |
RU (1) | RU2206498C2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050016829A1 (en) * | 2003-04-14 | 2005-01-27 | Miller Ralph Newton | Distillation process for reducing the concentration of dinitrogen difluoride and dinitrogen tetrafluoride in nitrogen trifluoride |
RU2248321C1 (ru) * | 2004-03-16 | 2005-03-20 | Общество с ограниченной ответственностью "НьюКем" | Способ очистки трифторида азота от тетрафторметана |
CN1328160C (zh) * | 2005-07-27 | 2007-07-25 | 中国船舶重工集团公司第七一八研究所 | 三氟化氮气体的纯化方法 |
KR100703875B1 (ko) | 2005-09-07 | 2007-04-04 | 주식회사 소디프신소재 | 삼불화질소의 정제방법 |
US8771626B2 (en) * | 2006-05-31 | 2014-07-08 | E I Du Pont De Nemours And Company | Process for purifying perfluorinated products |
CN101920944A (zh) * | 2010-08-30 | 2010-12-22 | 天津市泰源工业气体有限公司 | 一种萃取精馏分离三氟化氮与四氟化碳制备高纯三氟化氮的技术 |
CN102516018A (zh) * | 2011-12-16 | 2012-06-27 | 天津市泰亨气体有限公司 | 一种制备高纯四氟化碳的方法 |
KR101514801B1 (ko) * | 2013-06-25 | 2015-04-24 | (주)파인텍 | 과불화화합물의 분리 및 재활용시스템 |
JP6798468B2 (ja) * | 2017-10-23 | 2020-12-09 | ダイキン工業株式会社 | ヘキサフルオロブタジエンの製造方法 |
ES2937914T3 (es) * | 2019-01-23 | 2023-04-03 | Weiss Technik Gmbh | Refrigerante |
CN112279234B (zh) * | 2019-07-23 | 2023-08-08 | 中化近代环保化工(西安)有限公司 | 碳酰氟与二氧化碳的共沸组合物 |
CN114538391B (zh) * | 2022-03-01 | 2023-11-03 | 中船(邯郸)派瑞特种气体股份有限公司 | 一种从nf3废气中回收高纯n2o的装置及其回收方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63306383A (ja) * | 1987-06-04 | 1988-12-14 | 三井東圧化学株式会社 | フッ化窒素の精製方法 |
-
1998
- 1998-11-10 CN CNB031314643A patent/CN1219739C/zh not_active Expired - Fee Related
- 1998-11-10 DE DE69807254T patent/DE69807254T2/de not_active Expired - Fee Related
- 1998-11-10 CN CNB031314678A patent/CN1246216C/zh not_active Expired - Fee Related
- 1998-11-10 CA CA002306800A patent/CA2306800A1/en not_active Abandoned
- 1998-11-10 AU AU14550/99A patent/AU1455099A/en not_active Abandoned
- 1998-11-10 AT AT98958520T patent/ATE222215T1/de not_active IP Right Cessation
- 1998-11-10 CN CNB988109646A patent/CN1137043C/zh not_active Expired - Fee Related
- 1998-11-10 EP EP98958520A patent/EP1030818B1/de not_active Expired - Lifetime
- 1998-11-10 KR KR1020007005058A patent/KR100588025B1/ko not_active IP Right Cessation
- 1998-11-10 CN CNB031314635A patent/CN1252011C/zh not_active Expired - Fee Related
- 1998-11-10 JP JP2000520379A patent/JP2001522774A/ja active Pending
- 1998-11-10 RU RU2000114632/12A patent/RU2206498C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1219739C (zh) | 2005-09-21 |
CN1246216C (zh) | 2006-03-22 |
CA2306800A1 (en) | 1999-05-20 |
CN1515488A (zh) | 2004-07-28 |
RU2206498C2 (ru) | 2003-06-20 |
KR100588025B1 (ko) | 2006-06-13 |
CN1137043C (zh) | 2004-02-04 |
AU1455099A (en) | 1999-05-31 |
EP1030818B1 (de) | 2002-08-14 |
EP1030818A1 (de) | 2000-08-30 |
DE69807254T2 (de) | 2003-04-10 |
KR20010031951A (ko) | 2001-04-16 |
JP2001522774A (ja) | 2001-11-20 |
CN1278779A (zh) | 2001-01-03 |
DE69807254D1 (de) | 2002-09-19 |
CN1515527A (zh) | 2004-07-28 |
CN1252011C (zh) | 2006-04-19 |
CN1515529A (zh) | 2004-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |