FR1558421A - - Google Patents
Info
- Publication number
- FR1558421A FR1558421A FR131941A FR1558421DA FR1558421A FR 1558421 A FR1558421 A FR 1558421A FR 131941 A FR131941 A FR 131941A FR 1558421D A FR1558421D A FR 1558421DA FR 1558421 A FR1558421 A FR 1558421A
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/001—Processes specially adapted for distillation or rectification of fermented solutions
-
- 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
-
- 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
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/86—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR131941 | 1967-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1558421A true FR1558421A (en) | 1969-02-28 |
Family
ID=8643111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR131941A Expired FR1558421A (en) | 1967-12-12 | 1967-12-12 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE725295A (en) |
DE (1) | DE1814305A1 (en) |
FR (1) | FR1558421A (en) |
GB (1) | GB1199120A (en) |
LU (1) | LU57516A1 (en) |
NL (1) | NL6817383A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010993A1 (en) * | 1978-11-06 | 1980-05-14 | Mitsubishi Rayon Co., Ltd. | Process for the preparation of tertiary butyl alcohol |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3984988A1 (en) | 2020-10-19 | 2022-04-20 | Itelyum Regeneration S.p.A. | Recovery process of methanol waste |
CN115089990A (en) * | 2020-12-29 | 2022-09-23 | 内蒙古双欣环保材料股份有限公司 | Device and method for recycling high-temperature wastewater from alcoholysis waste liquid through hot water self-coupling |
CN116082159B (en) * | 2022-12-22 | 2024-06-04 | 重庆科技学院 | Method for separating ethyl acetate-methanol-water by coupling heterogeneous phase and three-tower rectification |
-
1967
- 1967-12-12 FR FR131941A patent/FR1558421A/fr not_active Expired
-
1968
- 1968-12-04 NL NL6817383A patent/NL6817383A/xx unknown
- 1968-12-11 LU LU57516D patent/LU57516A1/xx unknown
- 1968-12-11 BE BE725295D patent/BE725295A/xx unknown
- 1968-12-11 GB GB58946/68A patent/GB1199120A/en not_active Expired
- 1968-12-12 DE DE19681814305 patent/DE1814305A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010993A1 (en) * | 1978-11-06 | 1980-05-14 | Mitsubishi Rayon Co., Ltd. | Process for the preparation of tertiary butyl alcohol |
Also Published As
Publication number | Publication date |
---|---|
DE1814305A1 (en) | 1969-08-07 |
NL6817383A (en) | 1969-06-16 |
LU57516A1 (en) | 1969-07-31 |
BE725295A (en) | 1969-06-11 |
GB1199120A (en) | 1970-07-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |