ATE143283T1 - Mehrstufige umkristallisation zum reinigen kristallisierbare stoffe - Google Patents
Mehrstufige umkristallisation zum reinigen kristallisierbare stoffeInfo
- Publication number
- ATE143283T1 ATE143283T1 AT92111357T AT92111357T ATE143283T1 AT E143283 T1 ATE143283 T1 AT E143283T1 AT 92111357 T AT92111357 T AT 92111357T AT 92111357 T AT92111357 T AT 92111357T AT E143283 T1 ATE143283 T1 AT E143283T1
- Authority
- AT
- Austria
- Prior art keywords
- recristallization
- purifying
- crystallizable substances
- transfers
- controlling
- Prior art date
Links
- 239000000126 substance Substances 0.000 title abstract 2
- 239000013078 crystal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
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)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Detergent Compositions (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
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 (de) | 1988-07-28 | 1992-07-03 | Mehrstufige Umkristallisation zum Reinigen kristallisierbare Stoffe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE143283T1 true ATE143283T1 (de) | 1996-10-15 |
Family
ID=27169120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92111357T ATE143283T1 (de) | 1988-07-28 | 1992-07-03 | Mehrstufige umkristallisation zum reinigen kristallisierbare stoffe |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0576718B1 (de) |
| AT (1) | ATE143283T1 (de) |
| CA (1) | CA2072820A1 (de) |
| DE (1) | DE69214134T2 (de) |
| ES (1) | ES2095986T3 (de) |
Families Citing this family (3)
| 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 |
| CN119588001A (zh) * | 2025-02-10 | 2025-03-11 | 中稀(寿光)资源科技有限公司 | 一种稀土氯化物清洁化生产系统 |
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 ES ES92111357T patent/ES2095986T3/es not_active Expired - Lifetime
- 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 EP EP92111357A patent/EP0576718B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69214134D1 (de) | 1996-10-31 |
| EP0576718A1 (de) | 1994-01-05 |
| EP0576718B1 (de) | 1996-09-25 |
| DE69214134T2 (de) | 1997-04-30 |
| ES2095986T3 (es) | 1997-03-01 |
| CA2072820A1 (en) | 1993-12-31 |
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