FR2408568A1 - Procede destine a reduire la formation de dimeres lors de la production de composes polyhydroxyles inferieurs par hydrolyse d'un ester carboxylique correspondant - Google Patents
Procede destine a reduire la formation de dimeres lors de la production de composes polyhydroxyles inferieurs par hydrolyse d'un ester carboxylique correspondantInfo
- Publication number
- FR2408568A1 FR2408568A1 FR7832007A FR7832007A FR2408568A1 FR 2408568 A1 FR2408568 A1 FR 2408568A1 FR 7832007 A FR7832007 A FR 7832007A FR 7832007 A FR7832007 A FR 7832007A FR 2408568 A1 FR2408568 A1 FR 2408568A1
- Authority
- FR
- France
- Prior art keywords
- product
- production
- hydrolysis
- polyhydroxyl compounds
- formation during
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 150000001875 compounds Chemical class 0.000 title abstract 6
- -1 CARBOXYL ESTER Chemical class 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000000539 dimer Substances 0.000 title 1
- 230000007062 hydrolysis Effects 0.000 title 1
- 238000006460 hydrolysis reaction Methods 0.000 title 1
- 239000000047 product Substances 0.000 abstract 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 150000007942 carboxylates Chemical class 0.000 abstract 2
- 150000001735 carboxylic acids Chemical class 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000012634 fragment Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229960004063 propylene glycol Drugs 0.000 abstract 1
- 235000013772 propylene glycol Nutrition 0.000 abstract 1
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
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
- C07C29/82—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation
-
- 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
- C07C29/095—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 esters of organic acids
-
- 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
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PROCEDE PERFECTIONNE DE PRODUCTION DE COMPOSES POLYHYDROXYLES 2 A 6C A PARTIR DE LEURS CARBOXYLATES INFERIEURS. LE MELANGE INITIAL, CONTENANT LE CARBOXYLATE INFERIEUR, EST HYDROLYSE PAR DE L'EAU EN 6 EN PRESENCE D'UN CATALYSEUR, CE QUI DONNE EN 18 UN PRODUIT, CONTENANT LE COMPOSE POLYHYDROXYLE, L'ACIDE CARBOXYLIQUE, DE L'EAU ET DES FRAGMENTS DE CATALYSEUR, ET QUI EST DISTILLE EN 20 POUR DONNER UN PREMIER PRODUIT DE TETE 22 CONTENANT L'EAU ET UN PREMIER PRODUIT DE QUEUE 35 CONTENANT LE COMPOSE POLYHYDROXYLE ET L'ACIDE CARBOXYLIQUE; CE PRODUIT 35 EST DISTILLE EN 36 POUR DONNER UN DEUXIEME PRODUIT DE TETE 38 CONTENANT L'ACIDE CARBOXYLIQUE, ET UN DEUXIEME PRODUIT DE QUEUE 46 CONTENANT LE COMPOSE POLYHYDROXYLE ET QUI EST TRAITE, EN 80, POUR EN EXTRAIRE LE COMPOSE POLYHYDROXYLE. APPLICATION : OBTENTION D'ETHYLENE- OU DE PROPYLENE-GLYCOL PRATIQUEMENT EXEMPTS DE SOUS-PRODUITS DIMERES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85102677A | 1977-11-14 | 1977-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2408568A1 true FR2408568A1 (fr) | 1979-06-08 |
Family
ID=25309759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7832007A Withdrawn FR2408568A1 (fr) | 1977-11-14 | 1978-11-13 | Procede destine a reduire la formation de dimeres lors de la production de composes polyhydroxyles inferieurs par hydrolyse d'un ester carboxylique correspondant |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5479211A (fr) |
BE (1) | BE871960A (fr) |
DE (1) | DE2849248C3 (fr) |
FR (1) | FR2408568A1 (fr) |
GB (1) | GB2007659B (fr) |
IT (1) | IT1193749B (fr) |
NL (1) | NL7810869A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408569A1 (fr) * | 1977-11-14 | 1979-06-08 | Halcon Res & Dev | Procede de purification d'alkylene-glycols |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT377612B (de) * | 1981-06-30 | 1985-04-10 | Max Planck Gesellschaft | Anordnung zur optischen messung von stoffkonzentrationen |
US7465840B2 (en) | 2006-09-07 | 2008-12-16 | Shell Oil Company | Process for the preparation of alkylene glycol |
US7462748B2 (en) | 2006-09-07 | 2008-12-09 | Shell Oil Company | Process for the preparation of alkylene glycol |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB511130A (en) * | 1938-02-19 | 1939-08-14 | Bataafsche Petroleum | A process for the recovery of organic oxy-compounds from their aqueous solutions containing one or more salts |
GB595407A (en) * | 1943-08-17 | 1947-12-04 | American Cyanamid Co | Production of pure glycol solutions |
FR2152708A1 (fr) * | 1971-09-08 | 1973-04-27 | Halcon International Inc | |
FR2320279A1 (fr) * | 1975-08-07 | 1977-03-04 | Mitsubishi Chem Ind | Procede de preparation du butanediol et du butenediol |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5265209A (en) * | 1975-11-25 | 1977-05-30 | Mitsubishi Chem Ind Ltd | Manufacture of diols |
JPS52133912A (en) * | 1976-05-01 | 1977-11-09 | Mitsubishi Chem Ind Ltd | Preparation of butanediol |
-
1978
- 1978-11-01 NL NL7810869A patent/NL7810869A/ not_active Application Discontinuation
- 1978-11-13 BE BE191683A patent/BE871960A/fr unknown
- 1978-11-13 FR FR7832007A patent/FR2408568A1/fr not_active Withdrawn
- 1978-11-14 DE DE2849248A patent/DE2849248C3/de not_active Expired
- 1978-11-14 GB GB7844390A patent/GB2007659B/en not_active Expired
- 1978-11-14 IT IT51895/78A patent/IT1193749B/it active
- 1978-11-14 JP JP14039678A patent/JPS5479211A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB511130A (en) * | 1938-02-19 | 1939-08-14 | Bataafsche Petroleum | A process for the recovery of organic oxy-compounds from their aqueous solutions containing one or more salts |
GB595407A (en) * | 1943-08-17 | 1947-12-04 | American Cyanamid Co | Production of pure glycol solutions |
FR2152708A1 (fr) * | 1971-09-08 | 1973-04-27 | Halcon International Inc | |
FR2320279A1 (fr) * | 1975-08-07 | 1977-03-04 | Mitsubishi Chem Ind | Procede de preparation du butanediol et du butenediol |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408569A1 (fr) * | 1977-11-14 | 1979-06-08 | Halcon Res & Dev | Procede de purification d'alkylene-glycols |
Also Published As
Publication number | Publication date |
---|---|
BE871960A (fr) | 1979-05-14 |
JPS5479211A (en) | 1979-06-25 |
NL7810869A (nl) | 1979-05-16 |
IT1193749B (it) | 1988-08-24 |
GB2007659A (en) | 1979-05-23 |
DE2849248B2 (de) | 1982-04-22 |
DE2849248A1 (de) | 1979-05-17 |
GB2007659B (en) | 1982-05-19 |
DE2849248C3 (de) | 1982-11-25 |
IT7851895A0 (it) | 1978-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |