ATE286421T1 - Verfahren zur reingewinnung fester chemischer produkte durch trockenes schwitzen - Google Patents
Verfahren zur reingewinnung fester chemischer produkte durch trockenes schwitzenInfo
- Publication number
- ATE286421T1 ATE286421T1 AT99939599T AT99939599T ATE286421T1 AT E286421 T1 ATE286421 T1 AT E286421T1 AT 99939599 T AT99939599 T AT 99939599T AT 99939599 T AT99939599 T AT 99939599T AT E286421 T1 ATE286421 T1 AT E286421T1
- Authority
- AT
- Austria
- Prior art keywords
- sweating
- basket
- dry
- melt
- solid chemical
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000000126 substance Substances 0.000 title abstract 3
- 230000035900 sweating Effects 0.000 title abstract 3
- 239000007787 solid Substances 0.000 title abstract 2
- 239000000155 melt Substances 0.000 abstract 2
- 239000000047 product Substances 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000000289 melt material Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000012265 solid product Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D223/08—Oxygen atoms
- C07D223/10—Oxygen atoms attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Unknown Constitution (AREA)
- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Centrifugal Separators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1998RM000505A IT1302120B1 (it) | 1998-07-29 | 1998-07-29 | Procedimento per la purificazione di prodotti chimici solidi mediantedry-sweating |
| PCT/IT1999/000236 WO2000006279A1 (en) | 1998-07-29 | 1999-07-26 | Process for purifying solid chemical products by dry-sweating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE286421T1 true ATE286421T1 (de) | 2005-01-15 |
Family
ID=11406073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99939599T ATE286421T1 (de) | 1998-07-29 | 1999-07-26 | Verfahren zur reingewinnung fester chemischer produkte durch trockenes schwitzen |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1124619B1 (de) |
| AT (1) | ATE286421T1 (de) |
| AU (1) | AU5385899A (de) |
| DE (1) | DE69923077T2 (de) |
| IT (1) | IT1302120B1 (de) |
| WO (1) | WO2000006279A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658863A (zh) * | 2018-04-24 | 2018-10-16 | 河北美邦工程科技股份有限公司 | 一种利用熔融结晶法提纯己内酰胺的方法 |
| CN117695701B (zh) * | 2023-12-14 | 2026-05-26 | 厦门大学 | 晶体提纯装置及提纯方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL38146C (de) * | 1933-11-02 | |||
| DE972539C (de) * | 1949-12-14 | 1959-08-13 | Ruetgerswerke Ag | Verfahren und Vorrichtung zur Erzeugung und Reinigung von Kristallgut aus kristallbildenden, oberhalb ihres Klarpunktes erhitzten, organischen Fluessigkeiten |
| GB956997A (en) * | 1960-12-22 | 1964-04-29 | Halcon International Inc | Improvements relating to the production of fresh water from salt water |
| BE759151A (fr) * | 1969-11-21 | 1971-05-19 | Hoechst Ag | Procede de separation en continu de melanges d'isomeres des series des nitro, chloro et nitrochlorobenzenes et toluenes |
| US4795571A (en) * | 1987-02-20 | 1989-01-03 | Basf Aktiengesellschaft | Purification of frozen crystal layers |
| DE4041669C1 (en) * | 1990-12-22 | 1992-03-12 | Santrade Ltd., Luzern, Ch | Continuous purificn. of chemical substances - comprises solidifying molten substance into tablets by passing under coolant nozzles and subjecting to hot gas stream to (sweat) tablets |
-
1998
- 1998-07-29 IT IT1998RM000505A patent/IT1302120B1/it active IP Right Grant
-
1999
- 1999-07-26 DE DE69923077T patent/DE69923077T2/de not_active Expired - Lifetime
- 1999-07-26 AT AT99939599T patent/ATE286421T1/de not_active IP Right Cessation
- 1999-07-26 EP EP99939599A patent/EP1124619B1/de not_active Expired - Lifetime
- 1999-07-26 AU AU53858/99A patent/AU5385899A/en not_active Abandoned
- 1999-07-26 WO PCT/IT1999/000236 patent/WO2000006279A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ITRM980505A0 (it) | 1998-07-29 |
| DE69923077D1 (de) | 2005-02-10 |
| EP1124619A1 (de) | 2001-08-22 |
| AU5385899A (en) | 2000-02-21 |
| IT1302120B1 (it) | 2000-07-31 |
| EP1124619B1 (de) | 2005-01-05 |
| WO2000006279A1 (en) | 2000-02-10 |
| ITRM980505A1 (it) | 2000-01-29 |
| DE69923077T2 (de) | 2005-12-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |