DE859609C - Verfahren zur Trennung der bei der Umsetzung von Fluorwasserstoff mit Tetrachlorkohlenstoff erhaltenen Reaktionsmischung - Google Patents
Verfahren zur Trennung der bei der Umsetzung von Fluorwasserstoff mit Tetrachlorkohlenstoff erhaltenen ReaktionsmischungInfo
- Publication number
- DE859609C DE859609C DEP21527D DEP0021527D DE859609C DE 859609 C DE859609 C DE 859609C DE P21527 D DEP21527 D DE P21527D DE P0021527 D DEP0021527 D DE P0021527D DE 859609 C DE859609 C DE 859609C
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- ccl
- reaction mixture
- hydrogen fluoride
- mixture
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 19
- 239000011541 reaction mixture Substances 0.000 title claims description 19
- 238000006243 chemical reaction Methods 0.000 title claims description 15
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 title claims description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims 6
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000004338 Dichlorodifluoromethane Substances 0.000 claims description 6
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 claims description 6
- 235000019404 dichlorodifluoromethane Nutrition 0.000 claims description 6
- 238000004508 fractional distillation Methods 0.000 claims description 6
- 238000005194 fractionation Methods 0.000 claims description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 3
- 229960002050 hydrofluoric acid Drugs 0.000 claims 1
- 238000004821 distillation Methods 0.000 description 14
- 238000010992 reflux Methods 0.000 description 14
- 239000010410 layer Substances 0.000 description 12
- 239000000470 constituent Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 4
- 238000003682 fluorination reaction Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001462 antimony Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007858 starting material Substances 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
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
-
- 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
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US710890A US2450415A (en) | 1946-11-19 | 1946-11-19 | Distillation process for separating products of carbon tetrachloride fluorination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE859609C true DE859609C (de) | 1952-12-15 |
Family
ID=24855949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP21527D Expired DE859609C (de) | 1946-11-19 | 1948-11-12 | Verfahren zur Trennung der bei der Umsetzung von Fluorwasserstoff mit Tetrachlorkohlenstoff erhaltenen Reaktionsmischung |
Country Status (4)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1160835B (de) * | 1960-09-28 | 1964-01-09 | Hans J Zimmer Verfahrenstechni | Verfahren zur Aufarbeitung der bei der Chlorierung von niedermolekularen aliphatischen Kohlenwasserstoffen anfallenden Umsetzungsmischungen |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478362A (en) * | 1948-06-15 | 1949-08-09 | Kinetic Chemicals Inc | Distillation process for separating products of perchloro-ethylene fluorination |
| US2665240A (en) * | 1951-06-16 | 1954-01-05 | Diamond Alkali Co | Method of obtaining anhydrous hydrogen chloride |
| US3947558A (en) * | 1973-08-16 | 1976-03-30 | Dow Chemical (Nederland) B.V. | Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds |
| US4010017A (en) * | 1975-04-15 | 1977-03-01 | Vulcan Materials Company | Recovery of hydrogen chloride from chlorinated hydrocarbons such as chloromethanes |
| US4340574A (en) * | 1980-08-28 | 1982-07-20 | Union Carbide Corporation | Process for the production of ultrahigh purity silane with recycle from separation columns |
| US4944846A (en) * | 1988-08-01 | 1990-07-31 | E. I. Dupont De Nemours And Company | Process for the separation of HF via Azeotropic distillation |
| US4911792A (en) * | 1988-08-01 | 1990-03-27 | E. I. Du Pont De Nemours And Company | Process for the separation of HF via phase separation and distillation |
| US5094773A (en) * | 1988-08-01 | 1992-03-10 | E. I. Du Pont De Nemours And Company | Azeotropes of HF and process for the separation of HF via azeotropic distillation |
| DE69213771T2 (de) * | 1991-04-15 | 1997-02-20 | Daikin Ind Ltd | Verfahren zur Reinigung von 1,1,1-Trifluoro-2-Chlorethan |
| US5401430A (en) * | 1991-04-15 | 1995-03-28 | Daikin Industries, Ltd. | Azeotropic mixture of hydrogen fluoride and 1,1,1-trifluoro-2-chloroethane |
| US6755942B1 (en) | 1995-08-01 | 2004-06-29 | E. I. Du Pont De Nemours And Company | Process for the manufacture of halocarbons and selected compounds and azeotropes with HF |
-
0
- FR FR965372D patent/FR965372A/fr not_active Expired
-
1946
- 1946-11-19 US US710890A patent/US2450415A/en not_active Expired - Lifetime
-
1948
- 1948-04-30 CH CH280176D patent/CH280176A/fr unknown
- 1948-11-12 DE DEP21527D patent/DE859609C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1160835B (de) * | 1960-09-28 | 1964-01-09 | Hans J Zimmer Verfahrenstechni | Verfahren zur Aufarbeitung der bei der Chlorierung von niedermolekularen aliphatischen Kohlenwasserstoffen anfallenden Umsetzungsmischungen |
Also Published As
| Publication number | Publication date |
|---|---|
| CH280176A (fr) | 1952-01-15 |
| FR965372A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1950-09-11 |
| US2450415A (en) | 1948-10-05 |
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