IT7949750A0 - Procedimento per depurare etildicli cole e dipropilenglicole - Google Patents

Procedimento per depurare etildicli cole e dipropilenglicole

Info

Publication number
IT7949750A0
IT7949750A0 IT7949750A IT4975079A IT7949750A0 IT 7949750 A0 IT7949750 A0 IT 7949750A0 IT 7949750 A IT7949750 A IT 7949750A IT 4975079 A IT4975079 A IT 4975079A IT 7949750 A0 IT7949750 A0 IT 7949750A0
Authority
IT
Italy
Prior art keywords
ethyldycle
cole
purify
procedure
dipropylene glycol
Prior art date
Application number
IT7949750A
Other languages
English (en)
Other versions
IT1117409B (it
Original Assignee
Huels Chemische Werke 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 Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of IT7949750A0 publication Critical patent/IT7949750A0/it
Application granted granted Critical
Publication of IT1117409B publication Critical patent/IT1117409B/it

Links

Classifications

    • 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
    • C07C41/44—Separation; Purification; Stabilisation; Use of additives by treatments giving rise to a chemical modification

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)
  • Detergent Compositions (AREA)
IT49750/79A 1978-07-15 1979-07-13 Procedimento per depurare etildiclicole e dipropilenglicole IT1117409B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2831210A DE2831210B2 (de) 1978-07-15 1978-07-15 Verfahren zur Reinigung von Ethyldiglykol und von Dipropylenglykol

Publications (2)

Publication Number Publication Date
IT7949750A0 true IT7949750A0 (it) 1979-07-13
IT1117409B IT1117409B (it) 1986-02-17

Family

ID=6044512

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49750/79A IT1117409B (it) 1978-07-15 1979-07-13 Procedimento per depurare etildiclicole e dipropilenglicole

Country Status (4)

Country Link
DE (1) DE2831210B2 (it)
FR (1) FR2430925A1 (it)
IT (1) IT1117409B (it)
NL (1) NL7905504A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647705A (en) * 1985-08-15 1987-03-03 Basf Corporation Process for improving the ultraviolet light transmittance of ethylene glycol
US6034281A (en) * 1998-11-24 2000-03-07 Ferro Corporation Purification of diethylene glycol monoethyl ether
DE102010027458A1 (de) * 2010-07-17 2012-01-19 Oxea Gmbh Verfahren zur Nachbehandlung von Polyolestern
CN102898276A (zh) * 2012-09-29 2013-01-30 天津大学 回收丙二醇釜残液中丙二醇及一缩二丙二醇的方法及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087198A (it) * 1973-12-04 1975-07-14
US4118582A (en) * 1975-10-28 1978-10-03 E. I. Du Pont De Nemours And Company Purification of spent ethylene glycol
IT1063805B (it) * 1976-11-17 1985-02-18 Snam Progetti Procedimento per la produzione di glicoli etilenici ad alta purezza

Also Published As

Publication number Publication date
DE2831210B2 (de) 1980-05-08
DE2831210C3 (it) 1981-01-15
NL7905504A (nl) 1980-01-17
DE2831210A1 (de) 1980-01-24
IT1117409B (it) 1986-02-17
FR2430925B1 (it) 1984-05-04
FR2430925A1 (fr) 1980-02-08

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