IT1117409B - Procedimento per depurare etildiclicole e dipropilenglicole - Google Patents
Procedimento per depurare etildiclicole e dipropilenglicoleInfo
- Publication number
- IT1117409B IT1117409B IT49750/79A IT4975079A IT1117409B IT 1117409 B IT1117409 B IT 1117409B IT 49750/79 A IT49750/79 A IT 49750/79A IT 4975079 A IT4975079 A IT 4975079A IT 1117409 B IT1117409 B IT 1117409B
- Authority
- IT
- Italy
- Prior art keywords
- ethyldiclicles
- dipropylenglycols
- depuring
- procedure
- depuring ethyldiclicles
- Prior art date
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)
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 IT7949750A0 (it) | 1979-07-13 |
IT1117409B true 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)
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)
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 |
-
1978
- 1978-07-15 DE DE2831210A patent/DE2831210B2/de active Granted
-
1979
- 1979-06-29 FR FR7916973A patent/FR2430925A1/fr active Granted
- 1979-07-13 NL NL7905504A patent/NL7905504A/nl not_active Application Discontinuation
- 1979-07-13 IT IT49750/79A patent/IT1117409B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2430925A1 (fr) | 1980-02-08 |
DE2831210B2 (de) | 1980-05-08 |
IT7949750A0 (it) | 1979-07-13 |
DE2831210A1 (de) | 1980-01-24 |
FR2430925B1 (it) | 1984-05-04 |
NL7905504A (nl) | 1980-01-17 |
DE2831210C3 (it) | 1981-01-15 |
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