DK0550534T3 - Process for the recovery of ethylene glycol in the disposal of glycol-containing operating liquids - Google Patents

Process for the recovery of ethylene glycol in the disposal of glycol-containing operating liquids

Info

Publication number
DK0550534T3
DK0550534T3 DK91916867.4T DK91916867T DK0550534T3 DK 0550534 T3 DK0550534 T3 DK 0550534T3 DK 91916867 T DK91916867 T DK 91916867T DK 0550534 T3 DK0550534 T3 DK 0550534T3
Authority
DK
Denmark
Prior art keywords
glycol
disposal
recovery
ethylene glycol
containing operating
Prior art date
Application number
DK91916867.4T
Other languages
Danish (da)
Inventor
Heinz J Beister
Peter Buerk
Wilfried Bauer
Original Assignee
Heinz J Beister
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 Heinz J Beister filed Critical Heinz J Beister
Application granted granted Critical
Publication of DK0550534T3 publication Critical patent/DK0550534T3/en

Links

Classifications

    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

The invention concerns a process for the disposal of glycol-containing liquid wastes, the process comprising a first evaporation stage in which most of the water is distilled off and a second evaporation stage in which the slurry remaining from the first evaporation stage is distilled to separate off most of the glycol, the residue of the second evaporation stage being disposed of as toxic waste.
DK91916867.4T 1990-09-25 1991-09-24 Process for the recovery of ethylene glycol in the disposal of glycol-containing operating liquids DK0550534T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4030331A DE4030331A1 (en) 1990-09-25 1990-09-25 METHOD AND DEVICE FOR THE DISPOSAL OF GLYCOL-CONTAINING OPERATING LIQUIDS

Publications (1)

Publication Number Publication Date
DK0550534T3 true DK0550534T3 (en) 1997-12-22

Family

ID=6414948

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91916867.4T DK0550534T3 (en) 1990-09-25 1991-09-24 Process for the recovery of ethylene glycol in the disposal of glycol-containing operating liquids

Country Status (7)

Country Link
EP (1) EP0550534B1 (en)
JP (1) JPH06500950A (en)
AT (1) ATE153869T1 (en)
DE (2) DE4030331A1 (en)
DK (1) DK0550534T3 (en)
ES (1) ES2104721T3 (en)
WO (1) WO1992004956A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06226245A (en) * 1993-01-27 1994-08-16 Dr Ok Wack Chem Gmbh Method for regenerating liquid agent dissolved in rinsing bath liquid
DE4309096A1 (en) * 1993-03-15 1994-09-22 Wack O K Chemie Gmbh Process for recovery of a liquid dissolved in a wash bath
EP0679624B1 (en) 1994-04-18 1998-12-09 BASF Aktiengesellschaft Recovery of glycols from used glycol-containing technical fluids
US6538164B1 (en) * 1999-09-30 2003-03-25 E. I. Du Pont De Nemours And Company Recovery process for volatile compounds from solids in aqueous solution
ES2300189B1 (en) * 2006-05-26 2009-06-08 Univeridad Rey Juan Carlos PROCEDURE FOR THE TREATMENT OF LIQUID WASTE FROM PLANTS OF ALUMINUM INJECTED FOUNDRY.
DE102008063095A1 (en) * 2008-12-24 2010-07-01 Clariant International Limited Process for the treatment of glycol-containing aircraft emptying agents
DE102013009949A1 (en) * 2013-06-13 2014-12-18 Clariant International Ltd. Process for processing glycol-containing aircraft deicing compositions
KR101795003B1 (en) * 2016-11-10 2017-11-08 서울대학교 산학협력단 Device for regenerating mono-ethylene glycol and method for regenerating mono-ethylene glycol

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT972794B (en) * 1972-12-22 1974-05-31 Sir Soc Italiana Resine Spa PERFECTED PROCESS FOR THE PRODUCTION OF ETHYLENE GLYCOL
IT1141032B (en) * 1980-08-29 1986-10-01 Snam Progetti PROCESS FOR THE CONCENTRATION OF AQUEOUS SOLUTIONS OF GLYCOLS

Also Published As

Publication number Publication date
JPH06500950A (en) 1994-01-27
WO1992004956A1 (en) 1992-04-02
DE4030331A1 (en) 1992-03-26
DE4030331C2 (en) 1993-08-12
ES2104721T3 (en) 1997-10-16
EP0550534B1 (en) 1997-06-04
EP0550534A1 (en) 1993-07-14
DE59108741D1 (en) 1997-07-10
ATE153869T1 (en) 1997-06-15

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