FR2602982B1 - Procede de traitement des residus de reaction obtenue lors de la preparation du fluorure de cyanuryle, sulfolane recupere par ce procede, et reutilisation de ce sulfolane - Google Patents
Procede de traitement des residus de reaction obtenue lors de la preparation du fluorure de cyanuryle, sulfolane recupere par ce procede, et reutilisation de ce sulfolaneInfo
- Publication number
- FR2602982B1 FR2602982B1 FR8711858A FR8711858A FR2602982B1 FR 2602982 B1 FR2602982 B1 FR 2602982B1 FR 8711858 A FR8711858 A FR 8711858A FR 8711858 A FR8711858 A FR 8711858A FR 2602982 B1 FR2602982 B1 FR 2602982B1
- Authority
- FR
- France
- Prior art keywords
- sulfolane
- reuse
- recovered
- preparation
- obtained during
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/46—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom
- C07D333/48—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/28—Only halogen atoms, e.g. cyanuric chloride
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Treating Waste Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH340386A CH668260A5 (de) | 1986-08-25 | 1986-08-25 | Verfahren zur aufarbeitung von reaktionsrueckstaenden aus der cyanurfluoridherstellung. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2602982A1 FR2602982A1 (fr) | 1988-02-26 |
FR2602982B1 true FR2602982B1 (fr) | 1991-03-15 |
Family
ID=4255231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8711858A Expired - Lifetime FR2602982B1 (fr) | 1986-08-25 | 1987-08-24 | Procede de traitement des residus de reaction obtenue lors de la preparation du fluorure de cyanuryle, sulfolane recupere par ce procede, et reutilisation de ce sulfolane |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS6357584A (fr) |
BR (1) | BR8704339A (fr) |
CH (1) | CH668260A5 (fr) |
DE (1) | DE3727973A1 (fr) |
FR (1) | FR2602982B1 (fr) |
GB (1) | GB2194238B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0412214B1 (fr) * | 1989-08-07 | 1994-04-13 | Indian Petrochemicals Corporation Limited | Purification de sulfolane |
US5053137A (en) * | 1989-08-21 | 1991-10-01 | Indian Petrochemicals Corporation Limited | Process for the purification or regeneration of contaminated or spent process sulfolane |
DE3927951A1 (de) * | 1989-08-24 | 1991-02-28 | Hoechst Ag | Verfahren zur vernichtung von cyanurfluorid in den bei dessen herstellung anfallenden rueckstaenden |
US5223101A (en) * | 1991-02-22 | 1993-06-29 | Phillips Petroleum Company | Low color, low turbidity sulfolane |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1134582A (en) * | 1967-04-06 | 1968-11-27 | Shell Int Research | A process for the removal of corrosive contaminants from sulfolane-type solvents |
-
1986
- 1986-08-25 CH CH340386A patent/CH668260A5/de not_active IP Right Cessation
-
1987
- 1987-08-19 GB GB8719618A patent/GB2194238B/en not_active Expired - Lifetime
- 1987-08-21 DE DE19873727973 patent/DE3727973A1/de not_active Withdrawn
- 1987-08-24 FR FR8711858A patent/FR2602982B1/fr not_active Expired - Lifetime
- 1987-08-24 BR BR8704339A patent/BR8704339A/pt unknown
- 1987-08-25 JP JP20941787A patent/JPS6357584A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB8719618D0 (en) | 1987-09-23 |
BR8704339A (pt) | 1988-04-19 |
JPS6357584A (ja) | 1988-03-12 |
DE3727973A1 (de) | 1988-03-03 |
CH668260A5 (de) | 1988-12-15 |
GB2194238A (en) | 1988-03-02 |
FR2602982A1 (fr) | 1988-02-26 |
GB2194238B (en) | 1990-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69001344D1 (de) | Verfahren fuer die aufbereitung von fluorid enthaltendem wasser. | |
BE863227A (fr) | Procede de purification d'eaux fluorees, notamment d'eaux residuaires fluorees | |
ES2075887T5 (es) | Procedimiento de preparacion de acido ascorbico. | |
BR8605100A (pt) | Processo para remocao de impurezas de aluminio,magnesio e ferro de acido fosforico obtido por via umida | |
DE3578839D1 (de) | Verfahren zur reinigung des japanischen enzephalitisvirus. | |
IT1191805B (it) | Processo per la rimozione selettiva di acido solfidrico | |
IT1065118B (it) | Processo per la depurazione e comunque per la preparazione di acqua e impianto perl attuazione di questo processo | |
FR2602982B1 (fr) | Procede de traitement des residus de reaction obtenue lors de la preparation du fluorure de cyanuryle, sulfolane recupere par ce procede, et reutilisation de ce sulfolane | |
IT8567303A1 (it) | Procedimento perfezionato per la depurazione delle acque mediante chiariflocculazione. | |
IT1090739B (it) | Procedimento per la lavorazione di cascami di pelli | |
OA07898A (fr) | Procédé de purification de l'acide phosphorique de voie humide par élinination du cadmium. | |
BR8904717A (pt) | Composicao aquosa,processo para a produca de compostos,metodo de tratamento de um sistema aquoso | |
PT70680A (fr) | Procede de purification de gypse chimique | |
DE3767824D1 (de) | Verfahren zur neutralisation von reaktionsgemischen, die durch beckmann'sche umlagerung von cyclohexanonoxim erhalten worden sind. | |
YU43146B (en) | Process for the purification of phosphoric acid obtained by the wet method | |
ATE2933T1 (de) | Zeolithe, verfahren zu ihrer behandlung und verwendung der behandelten zeolithe. | |
BR8406948A (pt) | Processo de tratamento para remover impurezas de fluoreto de zeolitos | |
BE865774A (fr) | Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide "h") | |
BE877787A (fr) | Procede d'epuration de l'acide sulfurique residuaire des procedes de nitration | |
IT1102409B (it) | Processo per la purificazione di olefine | |
FR2556980B1 (fr) | Procede de traitement de liqueurs residuaires de production de la lysine | |
IT7922250A0 (it) | Metodo per la purificazione di caprolattame grezzo. | |
IT7867813A0 (it) | Procedimento ed apparecchio per la purificazione dell'acido fosforico ottenuto col processo ad umido | |
IT1211414B (it) | Procedimento perfezionato per la concia al cromo di pelli | |
IT1194799B (it) | Processo per la purificazione di prodotti di reazione |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |