FR861559A - Procédé pour la séparation des mélanges azéotropiques - Google Patents
Procédé pour la séparation des mélanges azéotropiquesInfo
- Publication number
- FR861559A FR861559A FR861559DA FR861559A FR 861559 A FR861559 A FR 861559A FR 861559D A FR861559D A FR 861559DA FR 861559 A FR861559 A FR 861559A
- Authority
- FR
- France
- Prior art keywords
- separation
- azeotropic mixtures
- azeotropic
- mixtures
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
-
- 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
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—Azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US259760A US2236723A (en) | 1939-03-04 | 1939-03-04 | Process for the separation of azeotropic mixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
FR861559A true FR861559A (fr) | 1941-02-12 |
Family
ID=22986251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR861559D Expired FR861559A (fr) | 1939-03-04 | 1939-11-10 | Procédé pour la séparation des mélanges azéotropiques |
Country Status (3)
Country | Link |
---|---|
US (1) | US2236723A (fr) |
DE (1) | DE743679C (fr) |
FR (1) | FR861559A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2771497A (en) * | 1952-11-19 | 1956-11-20 | Exxon Research Engineering Co | Method of purifying isobutylene |
US3490998A (en) * | 1968-11-22 | 1970-01-20 | Consolidation Coal Co | Purification of thiophenols by azeotropic distillation with a paraffin entrainer |
US4777289A (en) * | 1986-05-08 | 1988-10-11 | Monsanto Company | Process for the preparation of alkylthioalkanoate salts |
-
1939
- 1939-03-04 US US259760A patent/US2236723A/en not_active Expired - Lifetime
- 1939-11-10 FR FR861559D patent/FR861559A/fr not_active Expired
-
1940
- 1940-02-10 DE DEN43830D patent/DE743679C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE743679C (de) | 1943-12-30 |
US2236723A (en) | 1941-04-01 |
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