FR2489305A1 - Procede pour la concentration de solutions aqueuses de glycols - Google Patents
Procede pour la concentration de solutions aqueuses de glycols Download PDFInfo
- Publication number
- FR2489305A1 FR2489305A1 FR8116246A FR8116246A FR2489305A1 FR 2489305 A1 FR2489305 A1 FR 2489305A1 FR 8116246 A FR8116246 A FR 8116246A FR 8116246 A FR8116246 A FR 8116246A FR 2489305 A1 FR2489305 A1 FR 2489305A1
- Authority
- FR
- France
- Prior art keywords
- glycols
- section
- solution
- concentration
- small
- 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.)
- Granted
Links
- 150000002334 glycols Chemical class 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 title claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 30
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011261 inert gas 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
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/26—Multiple-effect evaporating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT24359/80A IT1141032B (it) | 1980-08-29 | 1980-08-29 | Processo per la concentrazione di soluzioni acquose di glicoli |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2489305A1 true FR2489305A1 (fr) | 1982-03-05 |
| FR2489305B1 FR2489305B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-12-28 |
Family
ID=11213254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8116246A Granted FR2489305A1 (fr) | 1980-08-29 | 1981-08-25 | Procede pour la concentration de solutions aqueuses de glycols |
Country Status (30)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992004956A1 (de) * | 1990-09-25 | 1992-04-02 | Beister Heinz J | Verfahren und vorrichtung zur entsorgung von glykolhaltigen betriebsflüssigkeiten |
| EP0530001A3 (en) * | 1991-08-28 | 1993-03-17 | Kamyr, Inc. | Multi-stage evaporation of liquid |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29503589U1 (de) * | 1995-03-03 | 1995-04-27 | Balcke Duerr Ag | Verdampfer |
| US6023003A (en) * | 1998-01-13 | 2000-02-08 | Reading & Bates Development Co. | Process and system for recovering glycol from glycol/brine streams |
| FR2846323B1 (fr) * | 2002-10-28 | 2004-12-10 | Inst Francais Du Petrole | Procede de regeneration d'une solution aqueuse de glycol contenant des sels |
| DK180765B1 (en) | 2018-08-20 | 2022-03-01 | Spx Flow Tech Danmark A/S Udviklingsafdeling | Falling film tubular evaporator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3820582A (en) * | 1970-12-14 | 1974-06-28 | Rosenlew Ab Metallind O | Device for evaporation of liquids |
| JPS5237992B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-02-25 | 1977-09-26 | ||
| GB1561230A (en) * | 1976-02-23 | 1980-02-13 | Sankio Chemical Co Ltd | Aminothiofluoran compounds process for the production thereof and recording elements containing the same |
-
1980
- 1980-08-29 IT IT24359/80A patent/IT1141032B/it active
-
1981
- 1981-07-31 GR GR65698A patent/GR74621B/el unknown
- 1981-08-03 ZA ZA815328A patent/ZA815328B/xx unknown
- 1981-08-07 ZW ZW191/81A patent/ZW19181A1/xx unknown
- 1981-08-12 IL IL63559A patent/IL63559A/xx unknown
- 1981-08-12 GB GB8124674A patent/GB2084885B/en not_active Expired
- 1981-08-12 BR BR8105218A patent/BR8105218A/pt unknown
- 1981-08-12 YU YU01948/81A patent/YU194881A/xx unknown
- 1981-08-13 AU AU74066/81A patent/AU547944B2/en not_active Ceased
- 1981-08-18 MW MW33/81A patent/MW3381A1/xx unknown
- 1981-08-19 DK DK368181A patent/DK368181A/da not_active Application Discontinuation
- 1981-08-20 ZM ZM72/81A patent/ZM7281A1/xx unknown
- 1981-08-20 LU LU83567A patent/LU83567A1/fr unknown
- 1981-08-22 PL PL23275981A patent/PL232759A1/xx unknown
- 1981-08-24 NO NO812857A patent/NO812857L/no unknown
- 1981-08-25 FR FR8116246A patent/FR2489305A1/fr active Granted
- 1981-08-25 CH CH5483/81A patent/CH649276A5/it not_active IP Right Cessation
- 1981-08-25 TR TR21214A patent/TR21214A/xx unknown
- 1981-08-26 BE BE0/205777A patent/BE890099A/fr not_active IP Right Cessation
- 1981-08-26 DE DE3133803A patent/DE3133803C2/de not_active Expired
- 1981-08-28 HU HU81812498A patent/HU180662B/hu unknown
- 1981-08-28 PT PT73596A patent/PT73596B/pt unknown
- 1981-08-28 NL NL8104012A patent/NL8104012A/nl not_active Application Discontinuation
- 1981-08-28 RO RO105186A patent/RO84858B/ro unknown
- 1981-08-28 CS CS816403A patent/CS249509B2/cs unknown
- 1981-08-28 ES ES505483A patent/ES8306468A1/es not_active Expired
- 1981-08-28 SE SE8105106A patent/SE8105106L/ not_active Application Discontinuation
- 1981-08-28 JP JP56134362A patent/JPS5771601A/ja active Pending
- 1981-08-29 IN IN972/CAL/81A patent/IN156040B/en unknown
- 1981-08-29 EG EG493/81A patent/EG15378A/xx active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992004956A1 (de) * | 1990-09-25 | 1992-04-02 | Beister Heinz J | Verfahren und vorrichtung zur entsorgung von glykolhaltigen betriebsflüssigkeiten |
| EP0530001A3 (en) * | 1991-08-28 | 1993-03-17 | Kamyr, Inc. | Multi-stage evaporation of liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |