NL6807375A - - Google Patents
Info
- Publication number
- NL6807375A NL6807375A NL6807375A NL6807375A NL6807375A NL 6807375 A NL6807375 A NL 6807375A NL 6807375 A NL6807375 A NL 6807375A NL 6807375 A NL6807375 A NL 6807375A NL 6807375 A NL6807375 A NL 6807375A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- 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
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
-
- 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
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by 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
- C07C37/70—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH750867A CH466222A (de) | 1967-05-26 | 1967-05-26 | Verfahren und Vorrichtung zur kontinuierlichen Trennung von Stoffgemischen durch rektifizierende vielstufige Kristallisation in einer Kolonne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6807375A true NL6807375A (en:Method) | 1968-11-27 |
Family
ID=4326224
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL135395D NL135395C (en:Method) | 1967-05-26 | ||
| NL6807375A NL6807375A (en:Method) | 1967-05-26 | 1968-05-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL135395D NL135395C (en:Method) | 1967-05-26 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3501275A (en:Method) |
| AT (1) | AT295475B (en:Method) |
| CH (1) | CH466222A (en:Method) |
| DE (1) | DE1769457B1 (en:Method) |
| ES (1) | ES354328A1 (en:Method) |
| FR (1) | FR1576546A (en:Method) |
| NL (2) | NL6807375A (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE339211B (en:Method) * | 1970-01-22 | 1971-10-04 | Stal Refrigeration Ab | |
| US3796060A (en) * | 1971-02-22 | 1974-03-12 | Union Carbide Corp | Process for purification by crystallization |
| US3996031A (en) * | 1972-10-19 | 1976-12-07 | Sun Ventures, Inc. | Fractionation of multicomponent dimethylnaphthelenes feeds by selective crystallization |
| NL8000906A (nl) * | 1980-02-13 | 1981-09-16 | Tno | Kristallisatiekolom en werkwijze voor het uitvoeren van een kristallisatie in een dergelijke kolom. |
| US4406679A (en) * | 1981-09-21 | 1983-09-27 | Concentration Specialists, Inc. | Apparatus for and method of preparing crystals for washing |
| NL8200075A (nl) * | 1982-01-11 | 1983-08-01 | Tno | Werkwijze voor het continu gedeeltelijk kristaliseren en het scheiden van een vloeibaar mengsel en een inrichting voor het uitvoeren van deze werkwijze. |
| SE452026B (sv) * | 1983-03-15 | 1987-11-09 | Boliden Ab | Forfarande for att separera losningar |
| US4891191A (en) * | 1983-12-05 | 1990-01-02 | Monsanto Company | High efficiency column crystallizer |
| US4822391A (en) * | 1987-11-02 | 1989-04-18 | Uwe Rockenfeller | Method and apparatus for transferring energy and mass |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2615793A (en) * | 1949-08-22 | 1952-10-28 | Phillips Petroleum Co | Crystallization apparatus |
| US2613136A (en) * | 1949-12-21 | 1952-10-07 | Phillips Petroleum Co | Fractional crystallizer |
| US2747001A (en) * | 1950-06-09 | 1956-05-22 | Phillips Petroleum Co | Crystal purification process |
| US2615794A (en) * | 1950-06-26 | 1952-10-28 | Phillips Petroleum Co | Crystallization apparatus |
| US2752230A (en) * | 1950-07-28 | 1956-06-26 | Phillips Petroleum Co | Crystal purification apparatus |
| US2852349A (en) * | 1954-07-08 | 1958-09-16 | Thomas E Hicks | Apparatus for liquid phase extraction |
| US2919991A (en) * | 1955-06-10 | 1960-01-05 | Phillips Petroleum Co | Method of controlling crystal purification process and apparatus therefor |
| US3116980A (en) * | 1961-03-27 | 1964-01-07 | Earl S Grimmett | Pulse column |
| US3234747A (en) * | 1961-07-03 | 1966-02-15 | Little Inc A | Crystal forming and melting by varying applied pressure |
| US3255598A (en) * | 1963-02-08 | 1966-06-14 | Phillips Petroleum Co | Crystal forming process |
| US3261170A (en) * | 1963-05-10 | 1966-07-19 | Phillips Petroleum Co | Multi-stage crystallization process and apparatus |
| US3305320A (en) * | 1963-07-22 | 1967-02-21 | Phillips Petroleum Co | Purification of aluminum nitrate by alternate melting and crystallization |
| NL134880C (en:Method) * | 1964-08-14 | 1900-01-01 | ||
| US3392539A (en) * | 1965-08-23 | 1968-07-16 | Phillips Petroleum Co | Fractional crystallization |
-
0
- NL NL135395D patent/NL135395C/xx active
-
1967
- 1967-05-26 CH CH750867A patent/CH466222A/de unknown
-
1968
- 1968-05-22 FR FR1576546D patent/FR1576546A/fr not_active Expired
- 1968-05-24 NL NL6807375A patent/NL6807375A/xx unknown
- 1968-05-24 AT AT04974/68A patent/AT295475B/de not_active IP Right Cessation
- 1968-05-25 ES ES354328A patent/ES354328A1/es not_active Expired
- 1968-05-25 DE DE19681769457 patent/DE1769457B1/de active Pending
- 1968-05-27 US US732396A patent/US3501275A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES354328A1 (es) | 1969-11-01 |
| US3501275A (en) | 1970-03-17 |
| NL135395C (en:Method) | |
| CH466222A (de) | 1968-12-15 |
| DE1769457B1 (de) | 1972-01-13 |
| FR1576546A (en:Method) | 1969-08-01 |
| AT295475B (de) | 1971-12-15 |