FR2149718A5 - Rectifying crystallization of mixtures partic - isomers - Google Patents
Rectifying crystallization of mixtures partic - isomersInfo
- Publication number
- FR2149718A5 FR2149718A5 FR7147753A FR7147753A FR2149718A5 FR 2149718 A5 FR2149718 A5 FR 2149718A5 FR 7147753 A FR7147753 A FR 7147753A FR 7147753 A FR7147753 A FR 7147753A FR 2149718 A5 FR2149718 A5 FR 2149718A5
- Authority
- FR
- France
- Prior art keywords
- crystallization
- temp
- rectifying
- partic
- isomers
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2138681A DE2138681A1 (de) | 1971-08-03 | 1971-08-03 | Verfahren zur zerlegung von stoffgemischen durch rektifizierende kristallisation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2149718A5 true FR2149718A5 (en) | 1973-03-30 |
Family
ID=5815580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7147753A Expired FR2149718A5 (en) | 1971-08-03 | 1971-12-31 | Rectifying crystallization of mixtures partic - isomers |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2138681A1 (de) |
FR (1) | FR2149718A5 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034852A2 (de) * | 1980-02-13 | 1981-09-02 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Kristallisationskolonne und Verfahren zum Herstellen einer Kristallisation in einer solchen Kolonne |
EP0196128A1 (de) * | 1985-03-25 | 1986-10-01 | Duphar International Research B.V | Anlage zum Konzentrieren von Lösungen |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5966305A (ja) * | 1982-10-05 | 1984-04-14 | Tsukishima Kikai Co Ltd | 向流式溶融物冷却精製法 |
-
1971
- 1971-08-03 DE DE2138681A patent/DE2138681A1/de active Pending
- 1971-12-31 FR FR7147753A patent/FR2149718A5/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034852A2 (de) * | 1980-02-13 | 1981-09-02 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Kristallisationskolonne und Verfahren zum Herstellen einer Kristallisation in einer solchen Kolonne |
EP0034852A3 (en) * | 1980-02-13 | 1982-01-13 | Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek | A crystallization column and method for performing a crystallization in such a column |
US4400189A (en) * | 1980-02-13 | 1983-08-23 | Nederlandse Centrale Organisatie Voor Toegepast Natuurwetenschapplijk Onder Zoek | Pulsed crystallization column and method of countercurrent crystallization |
EP0196128A1 (de) * | 1985-03-25 | 1986-10-01 | Duphar International Research B.V | Anlage zum Konzentrieren von Lösungen |
Also Published As
Publication number | Publication date |
---|---|
DE2138681A1 (de) | 1973-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |