ES2095986T3 - Cristalizacion en etapas multiples para la purificacion de productos cristalizables. - Google Patents
Cristalizacion en etapas multiples para la purificacion de productos cristalizables.Info
- Publication number
- ES2095986T3 ES2095986T3 ES92111357T ES92111357T ES2095986T3 ES 2095986 T3 ES2095986 T3 ES 2095986T3 ES 92111357 T ES92111357 T ES 92111357T ES 92111357 T ES92111357 T ES 92111357T ES 2095986 T3 ES2095986 T3 ES 2095986T3
- Authority
- ES
- Spain
- Prior art keywords
- crystallization
- purification
- multiple stages
- transfers
- controlling
- 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 - Lifetime
Links
Classifications
-
- 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
-
- 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
- B01D9/0063—Control or regulation
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/12—Halides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
SE PRESENTAN UN METODO Y UN APARATO PARA LA SUPERPURIFICACION DE SUSTANCIAS CRISTALIZABLES A UN NIVEL DE PUREZA DEL 99,999 POR CIENTO. SE INCLUYE EL CONTROL DEL COEFICIENTE DE REFLUJO A BASE DE CONTROLAR Y/O DETERMINAR LAS TRANSFERENCIAS DE CRISTALES Y DE LICORES MADRE EN LUGARES SELECCIONADOS Y A BASE DE MANTENER UN ESTADO ESTABLE DE LAS TRANSFERENCIAS ENTRE UNA PLURALIDAD DE ETAPAS EN QUE SE LLEVAN A CABO OPERACIONES SIMILARES.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22530488A | 1988-07-28 | 1988-07-28 | |
CA002072820A CA2072820A1 (en) | 1988-07-28 | 1992-06-30 | Multistage recrystallization for superpurifying crystallizable substances |
EP92111357A EP0576718B1 (en) | 1988-07-28 | 1992-07-03 | Multistage recrystallization for superpurifying crystallizable substances |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2095986T3 true ES2095986T3 (es) | 1997-03-01 |
Family
ID=27169120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92111357T Expired - Lifetime ES2095986T3 (es) | 1988-07-28 | 1992-07-03 | Cristalizacion en etapas multiples para la purificacion de productos cristalizables. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0576718B1 (es) |
AT (1) | ATE143283T1 (es) |
CA (1) | CA2072820A1 (es) |
DE (1) | DE69214134T2 (es) |
ES (1) | ES2095986T3 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5466266A (en) * | 1993-06-17 | 1995-11-14 | Griffiths; Kenneth F. | Closed system multistage superpurification recrystallization |
CN111498929B (zh) * | 2020-04-20 | 2023-08-22 | 内蒙古久科康瑞环保科技有限公司 | 分级结晶系统和分级结晶方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3561225A (en) * | 1968-08-26 | 1971-02-09 | Phillips Petroleum Co | Apparatus and process for 4-step separation of a crystallizable component of a mixed feedstock |
US4885016A (en) * | 1988-08-31 | 1989-12-05 | Griffiths Kenneth F | Multistage fractional freezing for superpurifying crystallizable substances |
-
1992
- 1992-06-30 CA CA002072820A patent/CA2072820A1/en not_active Abandoned
- 1992-07-03 AT AT92111357T patent/ATE143283T1/de active
- 1992-07-03 DE DE69214134T patent/DE69214134T2/de not_active Expired - Fee Related
- 1992-07-03 ES ES92111357T patent/ES2095986T3/es not_active Expired - Lifetime
- 1992-07-03 EP EP92111357A patent/EP0576718B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0576718A1 (en) | 1994-01-05 |
DE69214134T2 (de) | 1997-04-30 |
DE69214134D1 (de) | 1996-10-31 |
CA2072820A1 (en) | 1993-12-31 |
EP0576718B1 (en) | 1996-09-25 |
ATE143283T1 (de) | 1996-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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