JPH0475200B2 - - Google Patents
Info
- Publication number
- JPH0475200B2 JPH0475200B2 JP1695484A JP1695484A JPH0475200B2 JP H0475200 B2 JPH0475200 B2 JP H0475200B2 JP 1695484 A JP1695484 A JP 1695484A JP 1695484 A JP1695484 A JP 1695484A JP H0475200 B2 JPH0475200 B2 JP H0475200B2
- Authority
- JP
- Japan
- Prior art keywords
- evaporator
- solution
- crystallization
- heater
- heated
- 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
- 238000002425 crystallisation Methods 0.000 claims description 40
- 230000008025 crystallization Effects 0.000 claims description 32
- 239000013078 crystal Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 6
- 239000012452 mother liquor Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 42
- 239000002994 raw material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000002639 sodium chloride Nutrition 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000011549 crystallization solution Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- C30B7/02—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by evaporation of the solvent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1695484A JPS60166295A (ja) | 1984-02-03 | 1984-02-03 | 大粒結晶晶析方法および装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1695484A JPS60166295A (ja) | 1984-02-03 | 1984-02-03 | 大粒結晶晶析方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60166295A JPS60166295A (ja) | 1985-08-29 |
| JPH0475200B2 true JPH0475200B2 (fr) | 1992-11-30 |
Family
ID=11930504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1695484A Granted JPS60166295A (ja) | 1984-02-03 | 1984-02-03 | 大粒結晶晶析方法および装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60166295A (fr) |
-
1984
- 1984-02-03 JP JP1695484A patent/JPS60166295A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60166295A (ja) | 1985-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |