GB2064976A - Crystal refining apparatus - Google Patents
Crystal refining apparatus Download PDFInfo
- Publication number
- GB2064976A GB2064976A GB8037373A GB8037373A GB2064976A GB 2064976 A GB2064976 A GB 2064976A GB 8037373 A GB8037373 A GB 8037373A GB 8037373 A GB8037373 A GB 8037373A GB 2064976 A GB2064976 A GB 2064976A
- Authority
- GB
- United Kingdom
- Prior art keywords
- unit
- tower
- feedstock
- crystal
- crystalline feedstock
- 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.)
- Withdrawn
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 42
- 238000007670 refining Methods 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 5
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Processing Of Solid Wastes (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16232679U JPS5680202U (enrdf_load_stackoverflow) | 1979-11-22 | 1979-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2064976A true GB2064976A (en) | 1981-06-24 |
Family
ID=15752402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8037373A Withdrawn GB2064976A (en) | 1979-11-22 | 1980-11-21 | Crystal refining apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5680202U (enrdf_load_stackoverflow) |
| DE (1) | DE3043823A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2469947A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2064976A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453959A (en) * | 1982-02-25 | 1984-06-12 | Bishkin D Bruce | Crystal washing and purification method |
| US4588562A (en) * | 1983-07-21 | 1986-05-13 | Kureha Kagaku Kogyo Kabushiki Kaisha | Apparatus for purifying crystals |
| US4806318A (en) * | 1986-04-15 | 1989-02-21 | Kureha Kagaku Kogyo Kabushiki Kaisha | Apparatus for purifying crystals |
| EP1273579A4 (en) * | 2000-03-31 | 2003-06-25 | Kureha Chemical Ind Co Ltd | PROCESS FOR PURIFYING A CYCLIC ESTER |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2857891B2 (ja) * | 1989-10-04 | 1999-02-17 | 繁 齋藤 | 結晶精製装置 |
| EP2923748A1 (en) * | 2014-03-28 | 2015-09-30 | Sulzer Chemtech AG | A modular sub-unit for a suspension crystallization system and a suspension crystallization process using said modular sub-unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2800411A (en) * | 1954-03-31 | 1957-07-23 | Phillips Petroleum Co | Crystal purification apparatus and process |
| US2922701A (en) * | 1956-09-20 | 1960-01-26 | Phillips Petroleum Co | Fractional crystallization apparatus |
| GB1225711A (enrdf_load_stackoverflow) * | 1968-04-02 | 1971-03-24 | ||
| CH535058A (de) * | 1971-08-30 | 1973-03-31 | Inventa Ag | Verfahren und Kolonne zur kontinuierlichen Trennung von Stoffgemischen |
-
1979
- 1979-11-22 JP JP16232679U patent/JPS5680202U/ja active Pending
-
1980
- 1980-11-20 DE DE19803043823 patent/DE3043823A1/de not_active Ceased
- 1980-11-21 FR FR8024732A patent/FR2469947A1/fr active Pending
- 1980-11-21 GB GB8037373A patent/GB2064976A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453959A (en) * | 1982-02-25 | 1984-06-12 | Bishkin D Bruce | Crystal washing and purification method |
| US4588562A (en) * | 1983-07-21 | 1986-05-13 | Kureha Kagaku Kogyo Kabushiki Kaisha | Apparatus for purifying crystals |
| US4806318A (en) * | 1986-04-15 | 1989-02-21 | Kureha Kagaku Kogyo Kabushiki Kaisha | Apparatus for purifying crystals |
| EP1273579A4 (en) * | 2000-03-31 | 2003-06-25 | Kureha Chemical Ind Co Ltd | PROCESS FOR PURIFYING A CYCLIC ESTER |
| US6693204B2 (en) | 2000-03-31 | 2004-02-17 | Kureha Kagaku Kogyo K.K. | Method for purification of cyclic ester |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3043823A1 (de) | 1981-06-11 |
| FR2469947A1 (fr) | 1981-05-29 |
| JPS5680202U (enrdf_load_stackoverflow) | 1981-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |