JP2005502691A5 - - Google Patents
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- Publication number
- JP2005502691A5 JP2005502691A5 JP2003526865A JP2003526865A JP2005502691A5 JP 2005502691 A5 JP2005502691 A5 JP 2005502691A5 JP 2003526865 A JP2003526865 A JP 2003526865A JP 2003526865 A JP2003526865 A JP 2003526865A JP 2005502691 A5 JP2005502691 A5 JP 2005502691A5
- Authority
- JP
- Japan
- Prior art keywords
- pressure distillation
- hfc
- boiling point
- recovered
- low
- 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.)
- Granted
Links
- 238000004821 distillation Methods 0.000 description 7
- YFMFNYKEUDLDTL-UHFFFAOYSA-N 1,1,1,2,3,3,3-Heptafluoropropane Chemical compound FC(F)(F)C(F)C(F)(F)F YFMFNYKEUDLDTL-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N HF Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- HLEBDBBUKYGLCB-UHFFFAOYSA-M 1,1,2,3,3,3-hexafluoroprop-1-ene;fluoride Chemical compound [F-].FC(F)=C(F)C(F)(F)F HLEBDBBUKYGLCB-UHFFFAOYSA-M 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N Hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
実施例
純度が約99.8wt％であり、ヘキサフルオロプロピレンを含む0.1wt％の低沸点有機不純物と、C6F12を含む0.05wt％の高沸点有機不純物と水とを含むヘキサフルオロプロペンのフッ化水素酸化によって得られた粗HFC-227eaを本発明の方法に従って精製した。粗HFC-227eaを高圧蒸留ステップに導入した。低沸点溶剤を高圧蒸留の頭部から連続して回収した。高沸点溶剤を含むHFC-227ea留分は、高圧蒸留の底部から回収し、低圧蒸留に導入した。精製HFC-227eaを低圧蒸留の頭部から回収した。下記表は、それぞれ最初の蒸留と低圧蒸留に用いた工程条件を示すものである。
純度が約99.8wt％であり、ヘキサフルオロプロピレンを含む0.1wt％の低沸点有機不純物と、C6F12を含む0.05wt％の高沸点有機不純物と水とを含むヘキサフルオロプロペンのフッ化水素酸化によって得られた粗HFC-227eaを本発明の方法に従って精製した。粗HFC-227eaを高圧蒸留ステップに導入した。低沸点溶剤を高圧蒸留の頭部から連続して回収した。高沸点溶剤を含むHFC-227ea留分は、高圧蒸留の底部から回収し、低圧蒸留に導入した。精製HFC-227eaを低圧蒸留の頭部から回収した。下記表は、それぞれ最初の蒸留と低圧蒸留に用いた工程条件を示すものである。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01203374A EP1291337A1 (en) | 2001-09-07 | 2001-09-07 | Process for the obtention of purified heptafluoropropane |
| EP01203374.2 | 2001-09-07 | ||
| PCT/EP2002/010381 WO2003022786A1 (en) | 2001-09-07 | 2002-09-05 | Process for the obtention of purified heptafluoropropane |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010293112A Division JP5546446B2 (ja) | 2001-09-07 | 2010-12-28 | 精製ヘプタフルオロプロパンを得る方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005502691A JP2005502691A (ja) | 2005-01-27 |
| JP2005502691A5 true JP2005502691A5 (ja) | 2009-08-20 |
| JP4689957B2 JP4689957B2 (ja) | 2011-06-01 |
Family
ID=8180898
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003526865A Expired - Fee Related JP4689957B2 (ja) | 2001-09-07 | 2002-09-05 | 精製ヘプタフルオロプロパンを得る方法 |
| JP2010293112A Expired - Fee Related JP5546446B2 (ja) | 2001-09-07 | 2010-12-28 | 精製ヘプタフルオロプロパンを得る方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010293112A Expired - Fee Related JP5546446B2 (ja) | 2001-09-07 | 2010-12-28 | 精製ヘプタフルオロプロパンを得る方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US20040236162A1 (ja) |
| EP (2) | EP1291337A1 (ja) |
| JP (2) | JP4689957B2 (ja) |
| CN (1) | CN1286785C (ja) |
| AT (1) | ATE533739T1 (ja) |
| ES (1) | ES2376999T3 (ja) |
| WO (1) | WO2003022786A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449959B (zh) * | 2012-06-01 | 2015-03-18 | 中化蓝天集团有限公司 | 超高纯1,1,1,2,3,3,3-七氟丙烷的制备方法 |
| AU2019294496A1 (en) * | 2018-06-28 | 2020-11-12 | The Chemours Company Fc, Llc | Refrigerant blends having low global warming potential |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2712732C2 (de) * | 1977-03-23 | 1986-03-13 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung von Oktafluorpropan |
| DK0467531T3 (da) * | 1990-07-04 | 1994-10-31 | Ici Plc | Fremgangsmåde til adskillelse af 1,1,1,2-tetrafluorethan fra blandinger deraf med hydrogenfluorid og/eller 1-chlor-2,2-difluorethylen |
| DE4115025A1 (de) * | 1991-05-08 | 1992-11-12 | Hoechst Ag | Verfahren zur entfernung olefinischer verunreinigungen aus 1,1,1,2,3,3,3-heptafluorpropan |
| JPH05178768A (ja) * | 1991-12-16 | 1993-07-20 | Showa Denko Kk | １，１，１，２−テトラフルオロエタンとフッ化水素の分離方法 |
| JP3407332B2 (ja) * | 1992-08-05 | 2003-05-19 | 昭和電工株式会社 | １，１，１，２−テトラフルオロエタンの製造方法 |
| DE19617091A1 (de) * | 1996-04-29 | 1997-10-30 | Solvay | Verfahren zur Herstellung von 2-H-Heptafluorpropan |
| DE69842237D1 (de) * | 1997-02-19 | 2011-06-01 | Du Pont | Azeotropische Zusammensetzungen enthaltend 1,1,1,2,3,3,3-Heptafluorpropan und Verfahren, die diese Zusammensetzungen verwenden |
| US5918481A (en) * | 1997-11-20 | 1999-07-06 | Alliedsignal Inc. | Process for separating hydrogen fluoride from fluorocarbons |
| CA2309694A1 (en) * | 1997-11-25 | 1999-06-03 | Imperial Chemical Industries Plc | Preparation of fluorine-containing organic compounds |
| WO2000069797A1 (en) * | 1999-05-18 | 2000-11-23 | Ineos Fluor Holdings Limited | Production of 1,1,1,2,3,3,3-heptafluoropropane |
| FR2806077B1 (fr) * | 2000-03-07 | 2004-01-30 | Solvay | Procede pour l'obtention d'un hydrofluoroalcane epure, hydrofluoroalcane epure, utilisation de l'hydrofluoroalcane et methode d'analyse d'un hydrofluoroalcane |
-
2001
- 2001-09-07 EP EP01203374A patent/EP1291337A1/en not_active Withdrawn
-
2002
- 2002-09-05 US US10/488,812 patent/US20040236162A1/en not_active Abandoned
- 2002-09-05 JP JP2003526865A patent/JP4689957B2/ja not_active Expired - Fee Related
- 2002-09-05 EP EP02772307A patent/EP1427688B1/en not_active Expired - Lifetime
- 2002-09-05 WO PCT/EP2002/010381 patent/WO2003022786A1/en active Application Filing
- 2002-09-05 ES ES02772307T patent/ES2376999T3/es not_active Expired - Lifetime
- 2002-09-05 AT AT02772307T patent/ATE533739T1/de active
- 2002-09-05 CN CNB028173627A patent/CN1286785C/zh not_active Expired - Fee Related
-
2007
- 2007-07-24 US US11/782,341 patent/US7459591B2/en not_active Expired - Lifetime
-
2008
- 2008-12-01 US US12/325,539 patent/US7872162B2/en not_active Expired - Lifetime
-
2010
- 2010-12-10 US US12/965,177 patent/US7982072B2/en not_active Expired - Fee Related
- 2010-12-28 JP JP2010293112A patent/JP5546446B2/ja not_active Expired - Fee Related
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