EP0024405A1 - Recovery of alkanol in the production of chloroprene - Google Patents
Recovery of alkanol in the production of chloropreneInfo
- Publication number
- EP0024405A1 EP0024405A1 EP80900417A EP80900417A EP0024405A1 EP 0024405 A1 EP0024405 A1 EP 0024405A1 EP 80900417 A EP80900417 A EP 80900417A EP 80900417 A EP80900417 A EP 80900417A EP 0024405 A1 EP0024405 A1 EP 0024405A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- organic phase
- chloroprene
- water
- bleed
- process according
- 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.)
- Withdrawn
Links
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000011084 recovery Methods 0.000 title abstract description 12
- 238000004519 manufacturing process Methods 0.000 title description 4
- 239000012074 organic phase Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000000605 extraction Methods 0.000 claims abstract description 41
- 238000007033 dehydrochlorination reaction Methods 0.000 claims abstract description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000012071 phase Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 34
- 239000008346 aqueous phase Substances 0.000 claims description 21
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 14
- 238000004821 distillation Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 239000011541 reaction mixture Substances 0.000 claims description 10
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- 239000012429 reaction media Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000009835 boiling Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- XVEASTGLHPVZNA-UHFFFAOYSA-N 3,4-dichlorobut-1-ene Chemical compound ClCC(Cl)C=C XVEASTGLHPVZNA-UHFFFAOYSA-N 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- 239000002904 solvent Substances 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 3
- 239000006286 aqueous extract Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- UAZUEJTXWAXSMA-UHFFFAOYSA-N 1,1-dichlorobut-1-ene Chemical class CCC=C(Cl)Cl UAZUEJTXWAXSMA-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- HMPCUFDKPHXUPF-UHFFFAOYSA-N 2-methylpropan-1-ol;2-methylpropan-2-ol Chemical compound CC(C)CO.CC(C)(C)O HMPCUFDKPHXUPF-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/86—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/19—Halogenated dienes
- C07C21/20—Halogenated butadienes
- C07C21/21—Chloroprene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7907798 | 1979-03-06 | ||
| GB7907799 | 1979-03-06 | ||
| GB7907799 | 1979-03-06 | ||
| GB7907798 | 1979-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0024405A1 true EP0024405A1 (en) | 1981-03-11 |
Family
ID=26270795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP80900417A Withdrawn EP0024405A1 (en) | 1979-03-06 | 1980-09-24 | Recovery of alkanol in the production of chloroprene |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0024405A1 (enrdf_load_stackoverflow) |
| JP (1) | JPS56500088A (enrdf_load_stackoverflow) |
| WO (1) | WO1980001912A1 (enrdf_load_stackoverflow) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1197539A (en) * | 1967-12-14 | 1970-07-08 | Sumitomo Chemical Co | A Process for Producing Chloroprene |
| BE786986A (fr) * | 1971-08-07 | 1973-01-31 | Knapsack Ag | Procede de preparation du 2-chloro-butadiene-1,3 |
| GB1582830A (en) * | 1976-02-19 | 1981-01-14 | Bp Chem Int Ltd | Production of chloroprene |
-
1980
- 1980-03-04 JP JP50053280A patent/JPS56500088A/ja active Pending
- 1980-03-04 WO PCT/GB1980/000039 patent/WO1980001912A1/en not_active Application Discontinuation
- 1980-09-24 EP EP80900417A patent/EP0024405A1/en not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8001912A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56500088A (enrdf_load_stackoverflow) | 1981-01-29 |
| WO1980001912A1 (en) | 1980-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19801017 |
|
| AK | Designated contracting states |
Designated state(s): DE FR GB |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
| 18W | Application withdrawn |
Withdrawal date: 19820108 |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HALL, ANTONY HAROLD PATRICKTHE B. P. COMPANY LTD. |