ZA776810B - Method for the production of high-purity ethylene glycols - Google Patents
Method for the production of high-purity ethylene glycolsInfo
- Publication number
- ZA776810B ZA776810B ZA00776810A ZA776810A ZA776810B ZA 776810 B ZA776810 B ZA 776810B ZA 00776810 A ZA00776810 A ZA 00776810A ZA 776810 A ZA776810 A ZA 776810A ZA 776810 B ZA776810 B ZA 776810B
- Authority
- ZA
- South Africa
- Prior art keywords
- production
- ethylene glycols
- purity ethylene
- purity
- glycols
- Prior art date
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
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
- C07C29/103—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers
- C07C29/106—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers of oxiranes
-
- 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
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
- C07C29/103—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/202—Ethylene glycol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT29386/76A IT1063805B (it) | 1976-11-17 | 1976-11-17 | Procedimento per la produzione di glicoli etilenici ad alta purezza |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA776810B true ZA776810B (en) | 1978-09-27 |
Family
ID=11226884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00776810A ZA776810B (en) | 1976-11-17 | 1977-11-15 | Method for the production of high-purity ethylene glycols |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US4358625A (de) |
| JP (1) | JPS5363304A (de) |
| AR (1) | AR217090A1 (de) |
| AT (1) | AT359054B (de) |
| AU (1) | AU514202B2 (de) |
| BE (1) | BE860929A (de) |
| BR (1) | BR7707598A (de) |
| CS (1) | CS196408B2 (de) |
| DD (1) | DD133791A5 (de) |
| DE (1) | DE2751383B2 (de) |
| DK (1) | DK500077A (de) |
| ES (1) | ES464378A1 (de) |
| FR (1) | FR2371405A1 (de) |
| GB (1) | GB1560135A (de) |
| HU (1) | HU175533B (de) |
| IN (1) | IN146447B (de) |
| IT (1) | IT1063805B (de) |
| LU (1) | LU78518A1 (de) |
| NL (1) | NL7712471A (de) |
| NO (1) | NO773911L (de) |
| PL (1) | PL109691B1 (de) |
| RO (1) | RO71280A (de) |
| SE (1) | SE7712960L (de) |
| TR (1) | TR19507A (de) |
| YU (1) | YU270477A (de) |
| ZA (1) | ZA776810B (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2831210B2 (de) * | 1978-07-15 | 1980-05-08 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Reinigung von Ethyldiglykol und von Dipropylenglykol |
| DE3001727A1 (de) * | 1980-01-18 | 1981-07-23 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von hochreinem monoethylenglykol |
| EP0226799B1 (de) * | 1985-11-18 | 1992-01-02 | MITSUI TOATSU CHEMICALS, Inc. | Verfahren zur Herstellung von Ethylenglykol und/oder Propylenglykol |
| US4830712A (en) * | 1987-09-29 | 1989-05-16 | Union Carbide Corporation | Process for refining ethylene glycol |
| US5196601A (en) * | 1989-12-26 | 1993-03-23 | Kao Corporation | Process for producing alcohol or amine |
| DE4304465C2 (de) * | 1993-02-15 | 1995-01-05 | Schilling Chemie Gmbh U Produk | Verfahren zur Entfernung in Wasser gelösten Sauerstoffs, insbesondere in wasserführenden, geschlossenen Systemen |
| JP4740432B2 (ja) * | 1999-07-14 | 2011-08-03 | 株式会社日本触媒 | エチレングリコールの精製方法 |
| US6187973B1 (en) | 2000-04-06 | 2001-02-13 | Scientific Design Company, Inc. | Glycol purification |
| US6242655B1 (en) * | 2000-07-11 | 2001-06-05 | Scientific Design Company, Inc. | Glycol purification |
| TW200838838A (en) * | 2006-12-22 | 2008-10-01 | Dow Technology Investments Llc | Process for reducing side-reactions during alkylene glycol and poly-alkylene glycol manufacturing |
| DE102009038398A1 (de) * | 2009-08-24 | 2011-03-03 | Uhde Gmbh | Verfahren und Vorrichtung zur Herstellung von Alkylenoxiden und von Alkylenglykolen |
| US9975829B2 (en) * | 2013-10-23 | 2018-05-22 | Basf Se | Method for the preparation of 1,4-butane diol having an APHA color index of less than 30 |
| CN107285997B (zh) | 2016-03-30 | 2022-04-22 | 长春美禾科技发展有限公司 | 一种改善乙二醇紫外透过率的方法 |
| CN111662162B (zh) * | 2020-05-23 | 2022-08-12 | 安阳化学工业集团有限责任公司 | 一种提高煤制乙二醇紫外透光率所用的添加剂及其利用添加剂制备聚酯级乙二醇的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1025852B (de) | 1954-11-19 | 1958-03-13 | Basf Ag | Verfahren zur Gewinnung reiner Glykole |
| US2867651A (en) * | 1955-10-24 | 1959-01-06 | Standard Oil Co | Purification of alcohols and production of esters in the presence of borohydrides |
| GB912797A (en) | 1960-04-22 | 1962-12-12 | Union Carbide Corp | Improvements in and relating to a process for refining alcohols |
| US3860520A (en) * | 1967-08-22 | 1975-01-14 | Continental Oil Co | Odor reduction in alcohols |
| US3597452A (en) * | 1968-02-19 | 1971-08-03 | Jefferson Chem Co Inc | Treatment of ethylene oxide process cycle water with an amine residue |
| US3970711A (en) * | 1971-07-19 | 1976-07-20 | Ppg Industries, Inc. | Method of producing glycols |
| US3904656A (en) * | 1973-02-13 | 1975-09-09 | Ppg Industries Inc | Process for preparing monoethylene glycol and ethylene oxide |
-
1976
- 1976-11-17 IT IT29386/76A patent/IT1063805B/it active
-
1977
- 1977-11-10 DK DK500077A patent/DK500077A/da unknown
- 1977-11-11 BR BR7707598A patent/BR7707598A/pt unknown
- 1977-11-11 NL NL7712471A patent/NL7712471A/xx not_active Application Discontinuation
- 1977-11-11 YU YU02704/77A patent/YU270477A/xx unknown
- 1977-11-15 LU LU78518A patent/LU78518A1/xx unknown
- 1977-11-15 IN IN1605/CAL/77A patent/IN146447B/en unknown
- 1977-11-15 PL PL1977202145A patent/PL109691B1/pl unknown
- 1977-11-15 ZA ZA00776810A patent/ZA776810B/xx unknown
- 1977-11-15 DD DD7700202095A patent/DD133791A5/de unknown
- 1977-11-15 NO NO773911A patent/NO773911L/no unknown
- 1977-11-16 GB GB47766/77A patent/GB1560135A/en not_active Expired
- 1977-11-16 FR FR7734511A patent/FR2371405A1/fr active Granted
- 1977-11-16 AU AU30693/77A patent/AU514202B2/en not_active Expired
- 1977-11-16 RO RO7792137A patent/RO71280A/ro unknown
- 1977-11-16 AT AT818177A patent/AT359054B/de not_active IP Right Cessation
- 1977-11-16 SE SE7712960A patent/SE7712960L/xx not_active Application Discontinuation
- 1977-11-16 CS CS777549A patent/CS196408B2/cs unknown
- 1977-11-16 HU HU77SA3073A patent/HU175533B/hu unknown
- 1977-11-17 JP JP13731677A patent/JPS5363304A/ja active Pending
- 1977-11-17 BE BE182703A patent/BE860929A/xx unknown
- 1977-11-17 TR TR19507A patent/TR19507A/xx unknown
- 1977-11-17 DE DE2751383A patent/DE2751383B2/de not_active Withdrawn
- 1977-11-17 ES ES464378A patent/ES464378A1/es not_active Expired
- 1977-11-17 AR AR270011A patent/AR217090A1/es active
-
1979
- 1979-03-09 US US06/019,109 patent/US4358625A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR7707598A (pt) | 1978-06-20 |
| AR217090A1 (es) | 1980-02-29 |
| HU175533B (hu) | 1980-08-28 |
| DD133791A5 (de) | 1979-01-24 |
| RO71280A (ro) | 1982-02-26 |
| BE860929A (fr) | 1978-05-17 |
| IN146447B (de) | 1979-06-02 |
| US4358625A (en) | 1982-11-09 |
| AT359054B (de) | 1980-10-27 |
| SE7712960L (sv) | 1978-05-18 |
| IT1063805B (it) | 1985-02-18 |
| AU514202B2 (en) | 1981-01-29 |
| ES464378A1 (es) | 1978-09-01 |
| CS196408B2 (en) | 1980-03-31 |
| DE2751383B2 (de) | 1980-03-06 |
| TR19507A (tr) | 1979-03-29 |
| LU78518A1 (de) | 1978-03-20 |
| AU3069377A (en) | 1979-05-24 |
| YU270477A (en) | 1982-05-31 |
| DE2751383A1 (de) | 1978-05-18 |
| GB1560135A (en) | 1980-01-30 |
| ATA818177A (de) | 1980-03-15 |
| NO773911L (no) | 1978-05-19 |
| JPS5363304A (en) | 1978-06-06 |
| FR2371405B1 (de) | 1980-08-22 |
| PL109691B1 (en) | 1980-06-30 |
| PL202145A1 (pl) | 1978-12-04 |
| NL7712471A (nl) | 1978-05-19 |
| DK500077A (da) | 1978-05-18 |
| FR2371405A1 (fr) | 1978-06-16 |
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