ATE149992T1 - Verfahren zum behandeln von wässrigen lösungen von polyhydrischen alkoholen - Google Patents

Verfahren zum behandeln von wässrigen lösungen von polyhydrischen alkoholen

Info

Publication number
ATE149992T1
ATE149992T1 AT91850209T AT91850209T ATE149992T1 AT E149992 T1 ATE149992 T1 AT E149992T1 AT 91850209 T AT91850209 T AT 91850209T AT 91850209 T AT91850209 T AT 91850209T AT E149992 T1 ATE149992 T1 AT E149992T1
Authority
AT
Austria
Prior art keywords
aqueous solutions
polyhydric alcohols
treating aqueous
treatment
coolant
Prior art date
Application number
AT91850209T
Other languages
English (en)
Inventor
Peter M Woyciesjes
Aleksei V Gershun
Stephen M Woodward
Original Assignee
Prestone Products Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Prestone Products Corp filed Critical Prestone Products Corp
Application granted granted Critical
Publication of ATE149992T1 publication Critical patent/ATE149992T1/de

Links

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
    • C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Lubricants (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
AT91850209T 1991-05-17 1991-09-03 Verfahren zum behandeln von wässrigen lösungen von polyhydrischen alkoholen ATE149992T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70264991A 1991-05-17 1991-05-17
EP91850209A EP0530430B1 (de) 1991-05-17 1991-09-03 Verfahren zum Behandeln von wässrigen Lösungen von polyhydrischen Alkoholen

Publications (1)

Publication Number Publication Date
ATE149992T1 true ATE149992T1 (de) 1997-03-15

Family

ID=40276099

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91850209T ATE149992T1 (de) 1991-05-17 1991-09-03 Verfahren zum behandeln von wässrigen lösungen von polyhydrischen alkoholen

Country Status (6)

Country Link
US (1) US5422008A (de)
EP (2) EP0530430B1 (de)
AT (1) ATE149992T1 (de)
CA (1) CA2065480C (de)
DE (1) DE69125158T2 (de)
ES (1) ES2102998T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5549832A (en) * 1994-12-22 1996-08-27 Century Manufacturing Company Vehicle coolant recycling
US5820752A (en) * 1995-08-10 1998-10-13 Prestone Products Corporation Methods and apparatus for recycling used antifreeze/coolant
US5643493A (en) * 1996-03-13 1997-07-01 The Dow Chemical Company Coolant inhibitor concentrate
US5785857A (en) * 1996-04-30 1998-07-28 Mobile Process Technology, Inc. Mobile process for the recovery of spent heat transfer fluids
USD428468S (en) * 1998-09-25 2000-07-18 Century Manufacturing Company Console for fluid recycling
US6193895B1 (en) 1999-08-31 2001-02-27 Century Mfg. Co. Multipurpose vehicle coolant recycling device and method for recycling vehicle coolant
GB2383265B (en) * 2001-10-31 2004-06-23 Muirhead Aerospace Ltd Power activated seat
EP1859002B1 (de) 2005-02-28 2011-04-27 Basf Se Glyzerinhaltige gefrierschutzmittelkonzentrate mit korrisionsschutz
US8029650B1 (en) * 2006-09-26 2011-10-04 Letcher Dale L Antifreeze recycling systems
DE102008026745A1 (de) * 2008-06-04 2009-12-24 Kolb Cleaning Technology Gmbh Verfahren zur Aufbereitung von alkalischen Spülwässern
BR112014029913B1 (pt) 2012-05-30 2021-07-20 Fjords Processing As Método para remoção de íons metálicos pesados de uma corrente inibidora rica em hidrato, e, sistema de remoção de íons metálicos pesados do inibidor rico em hidrato
WO2014104999A1 (en) * 2012-12-26 2014-07-03 Unsallar Dayanikli Tuketim Mallari San. Ve Tic. Ltd. Sti. Concentrated chemical preventing freezing up to -40 degrees in heating and cooling systems and solar energy panels, reducing corrosion, algae growth and calcification, and providing fuel savings with less operation thereof by increasing the heat conduction
EP3265535B1 (de) * 2015-03-04 2020-02-12 Prestone Products Corporation Superkonzentratadditivlösungszusammensetzung

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805880A (en) * 1972-04-24 1974-04-23 Allied Chem Circulating cooling system
US4046688A (en) * 1975-10-21 1977-09-06 Rohm And Haas Company Removal of antimony from industrial streams
US4013519A (en) * 1976-03-25 1977-03-22 Safetech, Inc. Recovery method for polyester still bottoms
US4160740A (en) * 1977-10-17 1979-07-10 The Dow Chemical Company Inhibited aqueous, methoxypropanol coolant adjusted to a pH between about 6 and 9
DE2855038A1 (de) * 1978-12-20 1980-07-10 Bayer Ag Verfahren zur reinigung von niedermolekularen polyhydroxylverbindungen
US4210547A (en) * 1979-01-02 1980-07-01 Basf Wyandotte Corporation Hydroxybenzoic acid as pH buffer and corrosion inhibitor for antifreeze containing aminosilicone-silicate polymers
US4234440A (en) * 1979-01-02 1980-11-18 Basf Wyandotte Corporation Hydroxybenzoic acid as pH buffer and corrosion inhibitor for antifreeze containing organosilicone-silicate polymers
US4357243A (en) * 1980-11-17 1982-11-02 Dober Chemical Corporation Metal-working emulsion reclaiming process
US4532045A (en) * 1982-07-07 1985-07-30 Waterscience, Inc. Bleed-off elimination system and method
US4793403A (en) * 1987-08-20 1988-12-27 Wynn Oil Company Engine coolant flush-filtering, using external gas pressure
US5078866A (en) * 1987-08-20 1992-01-07 Wynn Oil Company Engine coolant flush-filtering externally of engine with ion precipitation
US5021152A (en) * 1988-10-03 1991-06-04 Wynn Oil Company Engine coolant flush-filtering externally of engine with ion precipitation
US4946595A (en) * 1988-09-09 1990-08-07 Fppf Chemical Corporation Inc. Process and apparatus for re-cycling engine coolant
US4931187A (en) * 1989-02-07 1990-06-05 Klenzoid, Inc. Cooling tower system
US5174902A (en) * 1990-02-27 1992-12-29 Bg Products, Inc. Method for removing cations and anions from an engine coolant liquid
US5094757A (en) * 1990-05-24 1992-03-10 Radiator Robot, Inc. Radiator cooling system cleaner/refiner

Also Published As

Publication number Publication date
EP0530430A1 (de) 1993-03-10
ES2102998T3 (es) 1997-08-16
EP0530430B1 (de) 1997-03-12
US5422008A (en) 1995-06-06
CA2065480A1 (en) 1992-11-18
EP0520965A3 (en) 1993-12-08
DE69125158T2 (de) 1997-10-09
DE69125158D1 (de) 1997-04-17
EP0520965A2 (de) 1992-12-30
CA2065480C (en) 2000-09-19

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