CH429686A - Verfahren zur Reinigung von Glykolen - Google Patents

Verfahren zur Reinigung von Glykolen

Info

Publication number
CH429686A
CH429686A CH971763A CH971763A CH429686A CH 429686 A CH429686 A CH 429686A CH 971763 A CH971763 A CH 971763A CH 971763 A CH971763 A CH 971763A CH 429686 A CH429686 A CH 429686A
Authority
CH
Switzerland
Prior art keywords
glycols
purifying
purifying glycols
Prior art date
Application number
CH971763A
Other languages
English (en)
Inventor
Lothar Dr Riehl
Erhard Dr Siggel
Original Assignee
Glanzstoff Ag
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 Glanzstoff Ag filed Critical Glanzstoff Ag
Publication of CH429686A publication Critical patent/CH429686A/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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • C07C69/82—Terephthalic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
CH971763A 1962-10-18 1963-08-06 Verfahren zur Reinigung von Glykolen CH429686A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1962V0023155 DE1198337C2 (de) 1962-10-18 1962-10-18 Verfahren zur reinigung von glykolen

Publications (1)

Publication Number Publication Date
CH429686A true CH429686A (de) 1967-02-15

Family

ID=7580337

Family Applications (1)

Application Number Title Priority Date Filing Date
CH971763A CH429686A (de) 1962-10-18 1963-08-06 Verfahren zur Reinigung von Glykolen

Country Status (8)

Country Link
US (1) US3311544A (de)
AT (1) AT239206B (de)
BE (1) BE636169A (de)
CH (1) CH429686A (de)
DE (1) DE1198337C2 (de)
GB (1) GB990612A (de)
NL (1) NL299082A (de)
SE (1) SE321669B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282632B (de) * 1966-04-16 1968-11-14 Glanzstoff Ag Verfahren zur Aufarbeitung von Glykolen, die durch Oxydationsprodukte verunreinigt sind
US3525774A (en) * 1967-08-02 1970-08-25 Jefferson Chem Co Inc Ethylene glycol recovery
US3489655A (en) * 1967-12-26 1970-01-13 Celanese Corp Method of decreasing the odor of 1,3-butylene glycol
US3970711A (en) * 1971-07-19 1976-07-20 Ppg Industries, Inc. Method of producing glycols
US3929586A (en) * 1973-05-07 1975-12-30 Organic Chemicals Company Inc Process for treatment of organic solvent-containing waste sludges
US4830712A (en) * 1987-09-29 1989-05-16 Union Carbide Corporation Process for refining ethylene glycol
IT1263158B (it) * 1993-02-05 1996-08-01 Montefibre Spa Processo per il recupero di residui di fondo colonna prodotti dalla distillazione frazionata del glicole etilenico

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA574079A (en) * 1959-04-14 L. Heath Royden Purification of glycol
US1903472A (en) * 1930-04-30 1933-04-11 Kalk Chemische Fabrik Gmbh Process for the extraction of ethylene glycol or its homologues
DE866339C (de) * 1941-11-04 1953-02-09 Henkel & Cie Gmbh Verfahren zur Abtrennung von hoehermolekularen Alkoholen, Ketonen oder Aldehyden aus Gemischen
DE919884C (de) * 1944-04-02 1954-11-08 Basf Ag Verfharen zur Reinigung von Ionenaustauschern
DE862151C (de) * 1949-06-21 1953-01-08 Ruhrchemie Ag Verfahren zur Abtrennung sauerstoffhaltiger Verbindungen, vorwiegend Carbonsaeuren, aus den Produkten der katalytischen Kohlenoxydhydrierung
US2788373A (en) * 1953-05-12 1957-04-09 Union Carbide & Carbon Corp Ethylene glycol purification
US2793235A (en) * 1954-09-27 1957-05-21 Du Pont Recovery of glycols from polyester production

Also Published As

Publication number Publication date
BE636169A (fr) 1963-12-02
DE1198337C2 (de) 1975-10-09
NL299082A (de)
US3311544A (en) 1967-03-28
AT239206B (de) 1965-03-25
GB990612A (en) 1965-04-28
DE1198337B (de) 1975-10-09
SE321669B (de) 1970-03-16

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