JPH05505600A - 抽出蒸留 - Google Patents
抽出蒸留Info
- Publication number
- JPH05505600A JPH05505600A JP91504574A JP50457491A JPH05505600A JP H05505600 A JPH05505600 A JP H05505600A JP 91504574 A JP91504574 A JP 91504574A JP 50457491 A JP50457491 A JP 50457491A JP H05505600 A JPH05505600 A JP H05505600A
- Authority
- JP
- Japan
- Prior art keywords
- extractant
- tfe
- hci
- tetrafluoroethylene
- extractive distillation
- 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
- 238000000895 extractive distillation Methods 0.000 title claims description 15
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 62
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 44
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 44
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 15
- 238000009835 boiling Methods 0.000 claims description 11
- 239000007791 liquid phase Substances 0.000 claims description 11
- 238000004821 distillation Methods 0.000 claims description 8
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 4
- 235000019407 octafluorocyclobutane Nutrition 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical group FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 claims description 3
- 150000002894 organic compounds Chemical group 0.000 claims description 3
- 238000007033 dehydrochlorination reaction Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 claims 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910021582 Cobalt(II) fluoride Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
- C01B7/0712—Purification ; Separation of hydrogen chloride by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (14)
- 1.塩化水素とテトラフルオロエチレンとの比揮発度を実質的に変化させる抽出 剤の存在下、これらの混合物を抽出蒸留カラムを通して抽出蒸留することによる 、塩化水素とテトラフルオロエチレンとを分離する方法。
- 2.該抽出剤が有機化合物である請求の範囲1の方法。
- 3.実質的に塩化水素から成るオーバーヘッド画分と、実質的にテトラフルオロ エチレンと該抽出剤とから成る釜残画分とを回収する請求の範囲2の方法。
- 4.該抽出剤が、完全ハロゲン置換されている有機化合物であり、ここで、該ハ ロゲンがフッ素および塩素から選択される請求の範囲3の方法。
- 5.該テトラフルオロエチレンと抽出剤とを分離した後、この回収した抽出剤を 該抽出蒸留カラムに戻す請求の範囲4の方法。
- 6.該テトラフルオロエチレンと抽出剤とを蒸留で分離する請求の範囲5の方法 。
- 7.該抽出剤の大気圧沸点が−40℃〜60℃であり、液相中の抽出剤濃度が少 なくとも20モル%であり、そして該回収した抽出剤を該抽出蒸留カラムに戻す 請求の範囲4の方法。
- 8.該混合物がCF2HClの脱塩酸生成物である請求の範囲4の方法。
- 9.該混合物がテトラフルオロエチレン/塩化水素の共沸物である請求の範囲4 の方法。
- 10.該抽出剤がパーフルオロシクロブタン、ヘキサフルオロプロピレンおよび 1,1,2−トリフルオロ−1,2,2−トリクロロエタンから選択される請求 の範囲4の方法。
- 11.該抽出剤が完全フッ素置換されている請求の範囲4の方法。
- 12.該抽出剤がパーフルオロシクロブタンである請求の範囲10の方法。
- 13.該抽出剤がヘキサフルオロプロピレンである請求の範囲10の方法。
- 14.該抽出剤が1,1,2−トリフルオロ−1,2,2−トリクロロエタンで ある請求の範囲10の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US500,259 | 1990-03-27 | ||
US07/500,259 US5049241A (en) | 1990-03-27 | 1990-03-27 | Extractive distillation |
PCT/US1991/001065 WO1991014667A1 (en) | 1990-03-27 | 1991-02-25 | Extractive distillation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05505600A true JPH05505600A (ja) | 1993-08-19 |
JP2877954B2 JP2877954B2 (ja) | 1999-04-05 |
Family
ID=23988672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3504574A Expired - Lifetime JP2877954B2 (ja) | 1990-03-27 | 1991-02-25 | 抽出蒸留 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5049241A (ja) |
EP (1) | EP0524938B2 (ja) |
JP (1) | JP2877954B2 (ja) |
CN (1) | CN1027061C (ja) |
BR (1) | BR9106276A (ja) |
CA (1) | CA2078438A1 (ja) |
DE (1) | DE69120405T3 (ja) |
PL (1) | PL165998B1 (ja) |
RU (1) | RU2088562C1 (ja) |
WO (1) | WO1991014667A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010509333A (ja) * | 2006-11-08 | 2010-03-25 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | イオン液体を用いる二酸化炭素からのテトラフルオロエチレンの分離方法 |
JP2013521275A (ja) * | 2010-07-23 | 2013-06-10 | ダイキン工業株式会社 | 2,3,3,3−テトラフルオロプロペンの精製方法 |
WO2015072305A1 (ja) * | 2013-11-14 | 2015-05-21 | 旭硝子株式会社 | フッ化ビニリデンとトリフルオロメタンの分離方法、およびフッ化ビニリデンの製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994025419A1 (en) * | 1993-04-30 | 1994-11-10 | E.I. Du Pont De Nemours And Company | AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS AND A PROCESS FOR SEPARATING HCl AND HALOCARBONS |
US5421964A (en) * | 1993-04-30 | 1995-06-06 | E. I. Du Pont De Nemours And Company | Process for separating HCl and halocarbons |
WO1996023752A1 (en) * | 1995-02-01 | 1996-08-08 | E.I. Du Pont De Nemours And Company | SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION |
US7092265B2 (en) | 2002-11-14 | 2006-08-15 | Fyre Storm, Inc. | Switching power converter controller |
US7803975B2 (en) * | 2006-07-13 | 2010-09-28 | E.I. Du Pont De Nemours And Company | Process for separating a fluoroolefin from HF by liquid-liquid extraction |
RU2520484C1 (ru) * | 2013-02-18 | 2014-06-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет тонких химических технологий имени М.В. Ломоносова" (МИТХТ им. М.В. Ломоносова") | Способ разделения биазеотропной смеси бутилпропионат-пропионовая кислота |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA645110A (en) * | 1962-07-17 | A. Wiist Herbert | Distillation process for fluorocarbons | |
GB886714A (en) * | 1958-08-14 | 1962-01-10 | Du Pont | Production of fluorocarbons |
US3152051A (en) * | 1962-03-12 | 1964-10-06 | Pennsalt Chemicals Corp | Separation of a mixture containing tetrafluoroethylene and fluoroform by extractive distillation |
NL131714C (ja) * | 1963-02-06 | |||
US3347021A (en) * | 1966-06-13 | 1967-10-17 | Du Pont | Separation of hydrogen chloride from higher boiling haloalkanes |
JPS4948287B1 (ja) * | 1970-11-26 | 1974-12-20 | ||
DE3015092A1 (de) * | 1980-04-19 | 1981-10-22 | Hoechst Ag, 6000 Frankfurt | Verfahren zur abtrennung von tetrafluorethylen aus gasgemischen, die insbesondere stickstoff oder kohlenmonoxid enthalten |
US4558167A (en) * | 1983-08-01 | 1985-12-10 | The Lummus Company | Hydrogen chloride-propylene separation |
DE3729106A1 (de) * | 1987-09-01 | 1989-03-09 | Hoechst Ag | Verfahren zur gewinnung von reinem tetrafluorethylen |
-
1990
- 1990-03-27 US US07/500,259 patent/US5049241A/en not_active Expired - Lifetime
-
1991
- 1991-02-25 JP JP3504574A patent/JP2877954B2/ja not_active Expired - Lifetime
- 1991-02-25 RU SU915011278A patent/RU2088562C1/ru active
- 1991-02-25 PL PL91293191A patent/PL165998B1/pl unknown
- 1991-02-25 BR BR919106276A patent/BR9106276A/pt not_active Application Discontinuation
- 1991-02-25 EP EP91904304A patent/EP0524938B2/en not_active Expired - Lifetime
- 1991-02-25 CA CA002078438A patent/CA2078438A1/en not_active Abandoned
- 1991-02-25 DE DE69120405T patent/DE69120405T3/de not_active Expired - Lifetime
- 1991-02-25 WO PCT/US1991/001065 patent/WO1991014667A1/en active IP Right Grant
- 1991-03-27 CN CN91101869.7A patent/CN1027061C/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010509333A (ja) * | 2006-11-08 | 2010-03-25 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | イオン液体を用いる二酸化炭素からのテトラフルオロエチレンの分離方法 |
JP2013521275A (ja) * | 2010-07-23 | 2013-06-10 | ダイキン工業株式会社 | 2,3,3,3−テトラフルオロプロペンの精製方法 |
WO2015072305A1 (ja) * | 2013-11-14 | 2015-05-21 | 旭硝子株式会社 | フッ化ビニリデンとトリフルオロメタンの分離方法、およびフッ化ビニリデンの製造方法 |
JPWO2015072305A1 (ja) * | 2013-11-14 | 2017-03-16 | 旭硝子株式会社 | フッ化ビニリデンとトリフルオロメタンの分離方法、およびフッ化ビニリデンの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2877954B2 (ja) | 1999-04-05 |
EP0524938B1 (en) | 1996-06-19 |
DE69120405D1 (de) | 1996-07-25 |
DE69120405T3 (de) | 2000-03-09 |
CN1055171A (zh) | 1991-10-09 |
WO1991014667A1 (en) | 1991-10-03 |
BR9106276A (pt) | 1993-04-13 |
DE69120405T2 (de) | 1997-02-06 |
US5049241A (en) | 1991-09-17 |
CA2078438A1 (en) | 1991-09-28 |
RU2088562C1 (ru) | 1997-08-27 |
PL293191A1 (en) | 1992-11-02 |
PL165998B1 (pl) | 1995-03-31 |
CN1027061C (zh) | 1994-12-21 |
EP0524938A1 (en) | 1993-02-03 |
EP0524938B2 (en) | 1999-10-06 |
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