IL29389A - A process for removing hydrolyzed polyacrylonitrile from an aqueous mixture - Google Patents
A process for removing hydrolyzed polyacrylonitrile from an aqueous mixtureInfo
- Publication number
- IL29389A IL29389A IL29389A IL2938968A IL29389A IL 29389 A IL29389 A IL 29389A IL 29389 A IL29389 A IL 29389A IL 2938968 A IL2938968 A IL 2938968A IL 29389 A IL29389 A IL 29389A
- Authority
- IL
- Israel
- Prior art keywords
- acrylonitrile
- decanter
- mixture
- adiponitrile
- interface
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 40
- 229920002239 polyacrylonitrile Polymers 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 23
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 40
- 239000012071 phase Substances 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 claims description 31
- 239000012074 organic phase Substances 0.000 claims description 26
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 26
- 239000000839 emulsion Substances 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 4
- 125000001453 quaternary ammonium group Chemical class 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000006471 dimerization reaction Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 4
- NTFJXDRAVMOYBG-UHFFFAOYSA-N 2-(2,2-dicyanoethoxymethyl)propanedinitrile Chemical compound N#CC(C#N)COCC(C#N)C#N NTFJXDRAVMOYBG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000283986 Lepus Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- WOFDVDFSGLBFAC-UHFFFAOYSA-N lactonitrile Chemical compound CC(O)C#N WOFDVDFSGLBFAC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/29—Coupling reactions
- C25B3/295—Coupling reactions hydrodimerisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61824867A | 1967-01-30 | 1967-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL29389A true IL29389A (en) | 1971-05-26 |
Family
ID=24476927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL29389A IL29389A (en) | 1967-01-30 | 1968-01-29 | A process for removing hydrolyzed polyacrylonitrile from an aqueous mixture |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT287669B (en)van) |
| BE (1) | BE710094A (en)van) |
| CH (1) | CH489476A (en)van) |
| DE (1) | DE1693171A1 (en)van) |
| FR (1) | FR1566314A (en)van) |
| GB (1) | GB1207060A (en)van) |
| IL (1) | IL29389A (en)van) |
| LU (1) | LU55339A1 (en)van) |
| NL (1) | NL6801294A (en)van) |
| SE (1) | SE319165B (en)van) |
-
1968
- 1968-01-22 GB GB3266/68A patent/GB1207060A/en not_active Expired
- 1968-01-24 LU LU55339D patent/LU55339A1/xx unknown
- 1968-01-29 NL NL6801294A patent/NL6801294A/xx unknown
- 1968-01-29 SE SE1169/68A patent/SE319165B/xx unknown
- 1968-01-29 IL IL29389A patent/IL29389A/en unknown
- 1968-01-30 FR FR1566314D patent/FR1566314A/fr not_active Expired
- 1968-01-30 DE DE19681693171 patent/DE1693171A1/de active Pending
- 1968-01-30 CH CH136968A patent/CH489476A/fr not_active IP Right Cessation
- 1968-01-30 BE BE710094D patent/BE710094A/xx unknown
- 1968-01-30 AT AT93068A patent/AT287669B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1693171A1 (de) | 1971-09-30 |
| GB1207060A (en) | 1970-09-30 |
| NL6801294A (en)van) | 1968-07-31 |
| SE319165B (en)van) | 1970-01-12 |
| AT287669B (de) | 1971-02-10 |
| BE710094A (en)van) | 1968-07-30 |
| LU55339A1 (en)van) | 1968-08-30 |
| FR1566314A (en)van) | 1969-05-09 |
| CH489476A (fr) | 1970-04-30 |
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