DE3721293C2 - - Google Patents
Info
- Publication number
- DE3721293C2 DE3721293C2 DE3721293A DE3721293A DE3721293C2 DE 3721293 C2 DE3721293 C2 DE 3721293C2 DE 3721293 A DE3721293 A DE 3721293A DE 3721293 A DE3721293 A DE 3721293A DE 3721293 C2 DE3721293 C2 DE 3721293C2
- Authority
- DE
- Germany
- Prior art keywords
- solvent
- water
- extractant
- contact
- 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.)
- Expired - Fee Related
Links
- 239000002904 solvent Substances 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000004821 distillation Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 8
- 230000008929 regeneration Effects 0.000 claims description 8
- 238000011069 regeneration method Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 239000010985 leather Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 239000000284 extract Substances 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 238000000926 separation method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
- D06L1/10—Regeneration of used chemical baths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0054—General arrangements, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Treating Waste Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Processing Of Solid Wastes (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873721293 DE3721293A1 (de) | 1987-06-27 | 1987-06-27 | Verfahren zur rueckgewinnung von bei der chemischen reinigung im kontaktwasser geloest und/oder emulgiert/dispergiert sowie in der abluft enthaltenen loesemittelresten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873721293 DE3721293A1 (de) | 1987-06-27 | 1987-06-27 | Verfahren zur rueckgewinnung von bei der chemischen reinigung im kontaktwasser geloest und/oder emulgiert/dispergiert sowie in der abluft enthaltenen loesemittelresten |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3721293A1 DE3721293A1 (de) | 1989-01-12 |
DE3721293C2 true DE3721293C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-08-08 |
Family
ID=6330432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873721293 Granted DE3721293A1 (de) | 1987-06-27 | 1987-06-27 | Verfahren zur rueckgewinnung von bei der chemischen reinigung im kontaktwasser geloest und/oder emulgiert/dispergiert sowie in der abluft enthaltenen loesemittelresten |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3721293A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4012496A1 (de) * | 1990-04-19 | 1991-10-24 | Babcock Textilmasch | Verfahren zum reinigen und entsorgen der behandlungsmedien bei foulard-spannrahmen-kombinationen |
DE4103163A1 (de) * | 1991-02-02 | 1992-08-06 | Ifg Ingenieur Und Forschungsge | Verfahren zum reinigen von mit halogenierten kohlenwasserstoffen in geringsten mengen verschmutzten abwaessern |
DE4129189C2 (de) * | 1991-09-03 | 1997-02-27 | Roland Man Druckmasch | Vorrichtung zum Waschen eines Zylinders einer Druckmaschine |
RU2120510C1 (ru) * | 1995-04-20 | 1998-10-20 | Кооператив "Техпрогресс" | Способ дистилляции растворителя и очистки отходов химчистки |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE127092C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
DE902368C (de) * | 1951-09-19 | 1954-02-11 | Metallgesellschaft Ag | Verfahren zur Aufarbeitung von phenolhaltigen Abwaessern |
FR1230366A (fr) * | 1958-09-05 | 1960-09-15 | Phillips Petroleum Co | Récupération d'un diluant hydrocarburé dans un gaz de traitement résiduel contenant ce diluant |
-
1987
- 1987-06-27 DE DE19873721293 patent/DE3721293A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3721293A1 (de) | 1989-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: IFG INGENIEUR- UND FORSCHUNGSGEMEINSCHAFT INH. DIP |
|
8339 | Ceased/non-payment of the annual fee |