CH425724A - Verfahren zur Reinigung von kristallisierbaren Materialien - Google Patents
Verfahren zur Reinigung von kristallisierbaren MaterialienInfo
- Publication number
- CH425724A CH425724A CH1552764A CH1552764A CH425724A CH 425724 A CH425724 A CH 425724A CH 1552764 A CH1552764 A CH 1552764A CH 1552764 A CH1552764 A CH 1552764A CH 425724 A CH425724 A CH 425724A
- Authority
- CH
- Switzerland
- Prior art keywords
- purification
- crystallizable materials
- crystallizable
- materials
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- 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
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- 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
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (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 |
|---|---|---|---|
| GB47678/63A GB1083850A (en) | 1963-12-03 | 1963-12-03 | Purification process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH425724A true CH425724A (de) | 1966-12-15 |
Family
ID=10445886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1552764A CH425724A (de) | 1963-12-03 | 1964-12-02 | Verfahren zur Reinigung von kristallisierbaren Materialien |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE656602A (de) |
| CH (1) | CH425724A (de) |
| GB (1) | GB1083850A (de) |
| NL (1) | NL6413888A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2606364B2 (de) * | 1976-02-18 | 1981-07-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch fraktionierte Kristallisation |
| US4795571A (en) * | 1987-02-20 | 1989-01-03 | Basf Aktiengesellschaft | Purification of frozen crystal layers |
| DE19703651A1 (de) * | 1997-01-31 | 1998-08-06 | Basf Ag | Verfahren zur Reinigung von Imidazolen und imidazolbasierten Wirkstoffen durch Kristallisation |
-
1963
- 1963-12-03 GB GB47678/63A patent/GB1083850A/en not_active Expired
-
1964
- 1964-11-30 NL NL6413888A patent/NL6413888A/xx unknown
- 1964-12-02 CH CH1552764A patent/CH425724A/de unknown
- 1964-12-03 BE BE656602A patent/BE656602A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE656602A (de) | 1965-06-03 |
| NL6413888A (de) | 1965-06-04 |
| GB1083850A (en) | 1967-09-20 |
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