JP2001522774A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2001522774A5 JP2001522774A5 JP2000520379A JP2000520379A JP2001522774A5 JP 2001522774 A5 JP2001522774 A5 JP 2001522774A5 JP 2000520379 A JP2000520379 A JP 2000520379A JP 2000520379 A JP2000520379 A JP 2000520379A JP 2001522774 A5 JP2001522774 A5 JP 2001522774A5
- Authority
- JP
- Japan
- Prior art keywords
- pfc
- tetrafluoromethane
- composition
- mixture
- nitrogen trifluoride
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6499397P | 1997-11-10 | 1997-11-10 | |
| US60/064,993 | 1997-11-10 | ||
| US8614698P | 1998-05-20 | 1998-05-20 | |
| US60/086,146 | 1998-05-20 | ||
| US09/189,322 US6458249B2 (en) | 1997-11-10 | 1998-11-09 | Process for purifying perfluorinated products |
| US09/189,322 | 1998-11-09 | ||
| PCT/US1998/023965 WO1999024358A1 (en) | 1997-11-10 | 1998-11-10 | Process for purifying perfluorinated products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001522774A JP2001522774A (ja) | 2001-11-20 |
| JP2001522774A5 true JP2001522774A5 (enExample) | 2006-01-05 |
Family
ID=27370715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000520379A Pending JP2001522774A (ja) | 1997-11-10 | 1998-11-10 | パーフッ素化された生成物を精製するための方法 |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1030818B1 (enExample) |
| JP (1) | JP2001522774A (enExample) |
| KR (1) | KR100588025B1 (enExample) |
| CN (4) | CN1252011C (enExample) |
| AT (1) | ATE222215T1 (enExample) |
| AU (1) | AU1455099A (enExample) |
| CA (1) | CA2306800A1 (enExample) |
| DE (1) | DE69807254T2 (enExample) |
| RU (1) | RU2206498C2 (enExample) |
Families Citing this family (14)
| 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 |
| TW200808649A (en) * | 2006-05-31 | 2008-02-16 | Du Pont | 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 |
| CN114288702A (zh) * | 2021-12-24 | 2022-04-08 | 天津海嘉斯迪新材料合伙企业(有限合伙) | 一种三氟化氮气体中氧化亚氮的回收系统及方法 |
| CN114191829A (zh) * | 2021-12-31 | 2022-03-18 | 天津海嘉斯迪新材料合伙企业(有限合伙) | 一种三氟化氮粗品中氧化亚氮的去除方法和系统 |
| 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 (3)
| 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 |
| JPH0798648B2 (ja) * | 1990-01-10 | 1995-10-25 | セントラル硝子株式会社 | Ｎｆ３ガスの精製方法 |
| US5637285A (en) * | 1996-01-30 | 1997-06-10 | Air Products And Chemicals, Inc. | Process for nitrogen trifluoride synthesis |
-
1998
- 1998-11-10 CA CA002306800A patent/CA2306800A1/en not_active Abandoned
- 1998-11-10 JP JP2000520379A patent/JP2001522774A/ja active Pending
- 1998-11-10 RU RU2000114632/12A patent/RU2206498C2/ru not_active IP Right Cessation
- 1998-11-10 CN CNB031314635A patent/CN1252011C/zh not_active Expired - Fee Related
- 1998-11-10 EP EP98958520A patent/EP1030818B1/en not_active Expired - Lifetime
- 1998-11-10 KR KR1020007005058A patent/KR100588025B1/ko not_active Expired - Fee Related
- 1998-11-10 AT AT98958520T patent/ATE222215T1/de not_active IP Right Cessation
- 1998-11-10 AU AU14550/99A patent/AU1455099A/en not_active Abandoned
- 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 CN CNB988109646A patent/CN1137043C/zh not_active Expired - Fee Related
- 1998-11-10 CN CNB031314643A patent/CN1219739C/zh not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2001522774A5 (enExample) | ||
| JP5551031B2 (ja) | 弗化水素を精製する方法 | |
| EP0353970B1 (en) | Process for the separation of hf via phase separation and distillation | |
| RU2206498C2 (ru) | Способ очистки перфторированных продуктов | |
| US6156161A (en) | Extractive distillation process for separating difluoromethane and pentafluoroethane using methylene chloride | |
| JP3361814B2 (ja) | フルオロカーボン／フッ化水素共沸混合物からの硫酸によるフッ化水素の分離 | |
| RU2000114632A (ru) | Способ очистки перфорированных продуктов | |
| JP2509144B2 (ja) | フッ化水素と１，１，１−トリフルオロ−２−クロロエタンとの混合物からのフッ化水素分離方法 | |
| JPH06135867A (ja) | フッ化水素をその１，１，１−トリフルオロ−２−クロロエタンとの混合物から分離する方法 | |
| JPH05255144A (ja) | 弗化水素および１−クロロ−２，２，２−トリフルオロエタンを含有する混合物の分離方法 | |
| JP3892037B2 (ja) | ペンタフルオロエタンの精製方法 | |
| EP1026139B1 (en) | Process for preparing pentafluoroethane | |
| JP3856408B2 (ja) | ヘキサフルオロエタンの精製方法 | |
| JP2000281602A (ja) | フッ化水素及び１，１，１，３，３−ペンタフルオロブタンを含む混合物の分離法及び１，１，１，３，３−ペンタフルオロブタンの合成法 | |
| US7273835B2 (en) | Azeotrope-like compositions of difluoromethane | |
| JP2002509899A (ja) | ハイドロフルオロカーボンの精製 | |
| JPH08143486A (ja) | ペンタフルオロエタンの精製方法 | |
| EP1229000A2 (en) | Process for purifying perfluorinated products | |
| JP2001342007A (ja) | フッ化水素の分離方法 | |
| JP2018039799A (ja) | 第３の成分を加えることによる（Ｚ）−１−クロロ−３，３，３−トリフルオロプロペン（ＨＣＦＯ−１２３３ｚｄ（Ｚ））と１−クロロ−１，３，３，３−テトラフルオロプロパン（ＨＣＦＣ−２４４ｆａ）の分離 | |
| EP1029840A1 (en) | Process for separating HFC-32 and HFC-125 | |
| EP1611055A1 (en) | Distillation process for reducing the concentration of dinitrogen difluoride and dinitrogen tetrafluoride in nitrogen trifluoride | |
| KR20000022505A (ko) | 황산에 의한 플루오로카본/플루오르화수소 공비혼합물로부터의플루오르화수소 분리방법 | |
| WO2005080303A1 (en) | Product stream processing methods, product stream processing systems, and mixtures |