JPH0418882B2 - - Google Patents
Info
- Publication number
- JPH0418882B2 JPH0418882B2 JP29180588A JP29180588A JPH0418882B2 JP H0418882 B2 JPH0418882 B2 JP H0418882B2 JP 29180588 A JP29180588 A JP 29180588A JP 29180588 A JP29180588 A JP 29180588A JP H0418882 B2 JPH0418882 B2 JP H0418882B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- container
- liquid
- crystallization
- temperature
- 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 66
- 230000008025 crystallization Effects 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 47
- 239000013078 crystal Substances 0.000 claims description 42
- 239000002994 raw material Substances 0.000 claims description 33
- 230000008018 melting Effects 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 29
- 239000007791 liquid phase Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 13
- 239000012265 solid product Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 18
- 230000007423 decrease Effects 0.000 description 12
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 10
- 239000012535 impurity Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 210000004243 sweat Anatomy 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 230000035900 sweating Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010903 primary nucleation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29180588A JPH02139001A (ja) | 1988-11-17 | 1988-11-17 | 圧力晶析方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29180588A JPH02139001A (ja) | 1988-11-17 | 1988-11-17 | 圧力晶析方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02139001A JPH02139001A (ja) | 1990-05-29 |
| JPH0418882B2 true JPH0418882B2 (enrdf_load_stackoverflow) | 1992-03-30 |
Family
ID=17773651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29180588A Granted JPH02139001A (ja) | 1988-11-17 | 1988-11-17 | 圧力晶析方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139001A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2766059B2 (ja) * | 1990-09-12 | 1998-06-18 | 財団法人石油産業活性化センター | ２，７―ジメチルナフタレンの分離方法 |
-
1988
- 1988-11-17 JP JP29180588A patent/JPH02139001A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02139001A (ja) | 1990-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |