CA2037215A1 - Traitement de fluides de travail renfermant du glycol a faible poids moleculaire - Google Patents
Traitement de fluides de travail renfermant du glycol a faible poids moleculaireInfo
- Publication number
- CA2037215A1 CA2037215A1 CA2037215A CA2037215A CA2037215A1 CA 2037215 A1 CA2037215 A1 CA 2037215A1 CA 2037215 A CA2037215 A CA 2037215A CA 2037215 A CA2037215 A CA 2037215A CA 2037215 A1 CA2037215 A1 CA 2037215A1
- Authority
- CA
- Canada
- Prior art keywords
- lower glycol
- fluids
- treatment
- operative fluids
- glycol
- 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
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title abstract 8
- 239000012530 fluid Substances 0.000 title abstract 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 title abstract 4
- 239000002250 absorbent Substances 0.000 abstract 1
- 230000002745 absorbent Effects 0.000 abstract 1
- 230000002528 anti-freeze Effects 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000001223 reverse osmosis Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/36—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
- C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/32—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/654,121 US5102549A (en) | 1989-12-27 | 1991-02-14 | Treatment of lower glycol-containing operative fluids |
US7/654,121 | 1991-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2037215A1 true CA2037215A1 (fr) | 1992-08-15 |
CA2037215C CA2037215C (fr) | 1997-07-15 |
Family
ID=24623508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002037215A Expired - Fee Related CA2037215C (fr) | 1991-02-14 | 1991-03-04 | Traitement de fluides de travail renfermant du glycol a faible poids moleculaire |
Country Status (6)
Country | Link |
---|---|
US (1) | US5102549A (fr) |
EP (1) | EP0498969A1 (fr) |
JP (1) | JP2524545B2 (fr) |
KR (1) | KR960002593B1 (fr) |
AU (2) | AU640457B2 (fr) |
CA (1) | CA2037215C (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5904321A (en) * | 1992-08-19 | 1999-05-18 | Glyrecsys, Inc. | Deicing fluid recovery system especially adapted for aircraft deicing apparatus |
US5429753A (en) * | 1993-03-11 | 1995-07-04 | Kleer-Flo Company | HVAC heat transfer fluid recycling |
DE19516886A1 (de) * | 1995-05-09 | 1996-11-14 | Brown John Deutsche Eng Gmbh | Verfahren und Anlage zum Rückgewinnen von Ethylen-Glykol in einem Polyethylenterephthalat-Polykondensationsprozeß |
US5785857A (en) * | 1996-04-30 | 1998-07-28 | Mobile Process Technology, Inc. | Mobile process for the recovery of spent heat transfer fluids |
US5932105A (en) * | 1997-10-01 | 1999-08-03 | Mobile Process Technology, Co. | Method of polyester manufacturing using crossflow membrane filtration |
US20050023503A1 (en) * | 2003-01-31 | 2005-02-03 | Liquid Performance, Inc. | Engine coolant composition and methods for use thereof |
JP4675569B2 (ja) * | 2004-02-20 | 2011-04-27 | エバークリーン株式会社 | 高純度エチレングリコールの回収方法 |
WO2007095255A2 (fr) * | 2006-02-10 | 2007-08-23 | Dupont Tate & Lyle Bio Products Company, Llc | Compositions biodégradables comprenant du 1,3-propanediol biodégradable d'origine renouvelable |
ES2797782T3 (es) | 2006-02-10 | 2020-12-03 | Dupont Tate & Lyle Bio Products Company Llc | Composición que comprende un extracto y 1,3-propanediol de origen biológico como disolvente no irritante |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3467604A (en) * | 1967-07-13 | 1969-09-16 | Amicon Corp | Moisture permeable polyion complex-resinous composites |
FR2040950A5 (fr) | 1969-04-30 | 1971-01-22 | Rhone Poulenc Sa | |
DE2350567A1 (de) | 1973-10-09 | 1975-04-10 | Hoechst Ag | Wiedergewinnung von glykol aus salzhaltigem abwasser |
US3875096A (en) * | 1974-03-20 | 1975-04-01 | Us Interior | Process for the preparation of a stable salt form of a sulfonated polyarylether sulfone |
US4000065A (en) * | 1974-11-18 | 1976-12-28 | Basf Wyandotte Corporation | Method and apparatus for purifying aqueous streams contaminated with organic materials |
FR2295979A1 (fr) | 1974-12-26 | 1976-07-23 | Rhone Poulenc Ind | Polyarylethersulfones sulfonees et leur procede de preparation |
FR2331602A1 (fr) | 1975-11-14 | 1977-06-10 | Rhone Poulenc Ind | Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse |
US4225394A (en) | 1976-04-14 | 1980-09-30 | Ppg Industries, Inc. | Reclamation of spent glycol by treatment with alkali metal hydroxide and distillation |
EP0029633B1 (fr) | 1978-09-05 | 1983-10-05 | Imperial Chemical Industries Plc | Copolymères de polyaryléthersulfone |
US4277344A (en) | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
US4427507A (en) | 1982-03-22 | 1984-01-24 | Shell Oil Company | Process for the separation of glycol from an electrolyte-containing aqueous solution |
US4467001A (en) | 1982-12-27 | 1984-08-21 | Albany International Corp. | Process and device for applying, drying and curing a coating on filaments |
US4414368A (en) | 1982-12-27 | 1983-11-08 | Albany International Corp. | Chlorosulfonated polysulfones and derivatives thereof |
US4508852A (en) | 1983-09-22 | 1985-04-02 | Albany International Corp. | Compositions and method of preparation by chlorosulfonation of difficultly sulfonatable poly(ether sulfone) |
JPS60216884A (ja) | 1984-04-10 | 1985-10-30 | Teijin Eng Kk | ポリエステル繊維のアルカリ加工廃液から有効成分を回収する方法 |
US4851120A (en) * | 1984-04-23 | 1989-07-25 | The Dow Chemical Company | Anionic polysaccharide separation membranes |
CA1263572A (fr) | 1984-06-15 | 1989-12-05 | Kenichi Ikeda | Composite au polysulfone sulfone pour membranes semi-permeables, et methode de production connexe |
GB8428525D0 (en) | 1984-11-12 | 1984-12-19 | Ici Plc | Membranes |
GB8512764D0 (en) | 1985-05-21 | 1985-06-26 | Ici Plc | Gas separation |
GB8513103D0 (en) | 1985-05-23 | 1985-06-26 | Ici Plc | Solution of polymeric material |
CS263246B1 (cs) | 1987-03-12 | 1989-04-14 | Grunwald Alexander | Způsob regenerace nemrznoucích směsí |
US4830885A (en) | 1987-06-08 | 1989-05-16 | Allied-Signal Inc. | Chlorine-resistant semipermeable membranes |
US4946595A (en) * | 1988-09-09 | 1990-08-07 | Fppf Chemical Corporation Inc. | Process and apparatus for re-cycling engine coolant |
US5034134A (en) * | 1989-12-27 | 1991-07-23 | Union Carbide Chemicals And Plastics Technology Corporation | Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes |
DK0742039T3 (da) | 1995-05-08 | 1999-09-13 | Thermoselect Ag | Anordning til rensning af gasser, såsom afgangsgasser og/eller syntesegasser |
-
1991
- 1991-02-14 US US07/654,121 patent/US5102549A/en not_active Expired - Fee Related
- 1991-03-04 AU AU72056/91A patent/AU640457B2/en not_active Expired - Fee Related
- 1991-03-04 CA CA002037215A patent/CA2037215C/fr not_active Expired - Fee Related
- 1991-03-05 EP EP91200473A patent/EP0498969A1/fr not_active Withdrawn
- 1991-03-16 JP JP3128862A patent/JP2524545B2/ja not_active Expired - Lifetime
- 1991-03-19 KR KR1019910004293A patent/KR960002593B1/ko active IP Right Grant
-
1993
- 1993-06-22 AU AU41395/93A patent/AU4139593A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2524545B2 (ja) | 1996-08-14 |
AU7205691A (en) | 1992-08-20 |
AU4139593A (en) | 1993-09-16 |
KR960002593B1 (ko) | 1996-02-23 |
AU640457B2 (en) | 1993-08-26 |
EP0498969A1 (fr) | 1992-08-19 |
CA2037215C (fr) | 1997-07-15 |
KR920016394A (ko) | 1992-09-24 |
US5102549A (en) | 1992-04-07 |
JPH04266838A (ja) | 1992-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0798036A3 (fr) | Membranes composites à perméabilité élevée pour l'osmose inverse et module à membranes pour osmose inverse l'utilisant | |
AU540836B2 (en) | Reverse osmosis liquid purification apparatus | |
DE3063808D1 (en) | Interfacially synthesized reverse osmosis membrane, process for the preparation thereof and its use in a process for removing solute from solute-containing water | |
GR3017473T3 (en) | Prevention of biofouling of reverse osmosis membranes. | |
AU473950B2 (en) | Reverse osmosis process using crosslinked aromatic polyamide membranes | |
CA2037215A1 (fr) | Traitement de fluides de travail renfermant du glycol a faible poids moleculaire | |
IL70192A0 (en) | High flux polymeric membranes,their manufacture and their use in reverse osmosis and ultrafiltration processes | |
GB2016024B (en) | Reverse osmosis semipermeable membrane | |
AU4352679A (en) | Desalination and purification of water by reverse osmosis and ultrafiltration | |
AU8960682A (en) | Reverse osmosis membrane | |
ES482466A1 (es) | Procedimiento para la desalinizacion de soluciones con uti- lizacion de la osmosis inversa. | |
IL64343A0 (en) | Water desalination system by reverse osmosis with pressure recuperation | |
JPS56124487A (en) | Desalting plant for water in reverse osmosis fluid static system | |
NO942893D0 (fr) | ||
EP0112631A3 (en) | Composite material, method of making it and its use in osmotic purification of liquids | |
DE69005518D1 (de) | Umkehr-Osmose-Anlage mit automatischer Umlaufdruckerhöhungspumpe. | |
ATE165251T1 (de) | Poroese polymerstructur und verfahren | |
ES8402237A1 (es) | Mejoras introducidas en el procedimiento de reduccion de la salinidad del agua de mar. | |
AU5861686A (en) | Removing colourants with polyamides | |
AU570295B2 (en) | Water desalination and purifying plant by reverse osmosis andultrafiltration | |
AU3947793A (en) | Drinking-water treatment equipment | |
AU2437195A (en) | Reverse osmosis permeate pump | |
JPS51149883A (en) | Hydrophilic gel | |
AU574513B2 (en) | Annealed aromatic poly amide membranes for reverse osmosis | |
JPS57140607A (en) | Composite semi-permeable film and preparation thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |