ATE286421T1 - Verfahren zur reingewinnung fester chemischer produkte durch trockenes schwitzen - Google Patents

Verfahren zur reingewinnung fester chemischer produkte durch trockenes schwitzen

Info

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
Application number
AT99939599T
Other languages
English (en)
Inventor
Angelo Chianese
Original Assignee
Uni Degli Studi Di Roma Sla Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uni Degli Studi Di Roma Sla Sa filed Critical Uni Degli Studi Di Roma Sla Sa
Application granted granted Critical
Publication of ATE286421T1 publication Critical patent/ATE286421T1/de

Links

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)
  • Centrifugal Separators (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
AT99939599T 1998-07-29 1999-07-26 Verfahren zur reingewinnung fester chemischer produkte durch trockenes schwitzen ATE286421T1 (de)

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 (1)

* Cited by examiner, † Cited by third party
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
ITRM980505A1 (it) 2000-01-29
EP1124619A1 (de) 2001-08-22
DE69923077T2 (de) 2005-12-08
EP1124619B1 (de) 2005-01-05
AU5385899A (en) 2000-02-21
ITRM980505A0 (it) 1998-07-29
IT1302120B1 (it) 2000-07-31
DE69923077D1 (de) 2005-02-10
WO2000006279A1 (en) 2000-02-10

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties