GB1090528A - Process for the regeneration of solvents - Google Patents
Process for the regeneration of solventsInfo
- Publication number
- GB1090528A GB1090528A GB40425/66A GB4042566A GB1090528A GB 1090528 A GB1090528 A GB 1090528A GB 40425/66 A GB40425/66 A GB 40425/66A GB 4042566 A GB4042566 A GB 4042566A GB 1090528 A GB1090528 A GB 1090528A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solvent
- stage
- column
- liquid
- sump
- 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
- 239000002904 solvent Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- 230000008929 regeneration Effects 0.000 title 1
- 238000011069 regeneration method Methods 0.000 title 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 3
- 230000008020 evaporation Effects 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 229920002239 polyacrylonitrile Polymers 0.000 abstract 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 1
- 229940113088 dimethylacetamide Drugs 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/42—Nitriles
- C08F20/44—Acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/36—Polymerisation in solid state
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F13/00—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like
- D01F13/04—Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like of synthetic polymers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1966V0031781 DE1669559A1 (de) | 1966-08-23 | 1966-08-23 | Verfahren zur Regeneration von zur Herstellung von Loesungen aus Polyacrylnitril verwendeten Loesungsmitteln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1090528A true GB1090528A (en) | 1967-11-08 |
Family
ID=7586702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB40425/66A Expired GB1090528A (en) | 1966-08-23 | 1966-09-09 | Process for the regeneration of solvents |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE686731A (enrdf_load_stackoverflow) |
| DE (1) | DE1669559A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1090528A (enrdf_load_stackoverflow) |
| NL (1) | NL6615608A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342986C (zh) * | 2004-12-22 | 2007-10-17 | 哈尔滨工业大学 | 从头孢哌酮钠生产废液中回收二甲基乙酰胺的方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4319534A1 (de) * | 1993-06-12 | 1994-12-15 | Hoechst Ag | Verfahren zur Aufarbeitung von Lösungsmittelgemischen enthaltend schwersiedende Bestandteile sowie dafür geeignete Vorrichtung |
-
1966
- 1966-08-23 DE DE1966V0031781 patent/DE1669559A1/de active Pending
- 1966-09-09 GB GB40425/66A patent/GB1090528A/en not_active Expired
- 1966-09-12 BE BE686731D patent/BE686731A/xx unknown
- 1966-11-04 NL NL6615608A patent/NL6615608A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100342986C (zh) * | 2004-12-22 | 2007-10-17 | 哈尔滨工业大学 | 从头孢哌酮钠生产废液中回收二甲基乙酰胺的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1669559A1 (de) | 1971-01-28 |
| NL6615608A (enrdf_load_stackoverflow) | 1968-05-06 |
| BE686731A (enrdf_load_stackoverflow) | 1967-02-15 |
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