FR2437868A1 - Procede de demineralisation par echange d'ions - Google Patents
Procede de demineralisation par echange d'ionsInfo
- Publication number
- FR2437868A1 FR2437868A1 FR7828115A FR7828115A FR2437868A1 FR 2437868 A1 FR2437868 A1 FR 2437868A1 FR 7828115 A FR7828115 A FR 7828115A FR 7828115 A FR7828115 A FR 7828115A FR 2437868 A1 FR2437868 A1 FR 2437868A1
- Authority
- FR
- France
- Prior art keywords
- gps
- resin particles
- weak
- type
- exchange resin
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J43/00—Amphoteric ion-exchange, i.e. using ion-exchangers having cationic and anionic groups; Use of material as amphoteric ion-exchangers; Treatment of material for improving their amphoteric ion-exchange properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/40—Thermal regeneration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
L'INVENTION CONCERNE UN PROCEDE DE DEMINERALISATION PAR ECHANGE D'IONS. ON EFFECTUE LA CARBONATATION D'UNE RESINE ECHANGEUSE D'IONS, THERMIQUEMENT REGENERABLE, PRESENTANT DES GROUPES BASIQUES LIBRES, FAIBLEMENT BASIQUES, PAR CONTACT AVEC UNE SOLUTION D'ACIDE CARBONIQUE, DE SORTE QUE LES GROUPES BASIQUES LIBRES SONT TRANSFORMES EN FORME CARBONATE, CETTE TRANSFORMATION ETANT REALISEE AVANT OU EN MEME TEMPS QUE LA MISE EN CONTACT DE LA RESINE AVEC LA SOLUTION A DEMINERALISER. APPLICATION A L'OBTENTION D'EAU FORTEMENT DEMINERALISEE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7828115A FR2437868A1 (fr) | 1978-10-02 | 1978-10-02 | Procede de demineralisation par echange d'ions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7828115A FR2437868A1 (fr) | 1978-10-02 | 1978-10-02 | Procede de demineralisation par echange d'ions |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2437868A1 true FR2437868A1 (fr) | 1980-04-30 |
FR2437868B1 FR2437868B1 (fr) | 1981-04-30 |
Family
ID=9213229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7828115A Granted FR2437868A1 (fr) | 1978-10-02 | 1978-10-02 | Procede de demineralisation par echange d'ions |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2437868A1 (fr) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE905479C (de) * | 1943-02-11 | 1954-03-01 | Bayer Ag | Verfahren zur Aufbereitung von Wasser |
US3156644A (en) * | 1961-07-25 | 1964-11-10 | Rohm & Haas | Deionization process |
US3414509A (en) * | 1964-06-19 | 1968-12-03 | Universal Oil Prod Co | Desalinization of aqueous solutions |
US3420773A (en) * | 1966-03-03 | 1969-01-07 | Ionics | Treatment of water |
US3595784A (en) * | 1968-10-14 | 1971-07-27 | Ecodyne Corp | Continuous countercurrent ion exchange method and apparatus |
DE2455835A1 (de) * | 1973-12-19 | 1975-06-26 | Ckd Dukla | Verfahren zur vollentsalzung von loesungen |
FR2368296A1 (fr) * | 1976-10-19 | 1978-05-19 | Rohm & Haas | Perfectionnements aux procedes et dispositifs, pour echange d'ions, utilisant des resines thermiquement regenerables |
-
1978
- 1978-10-02 FR FR7828115A patent/FR2437868A1/fr active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE905479C (de) * | 1943-02-11 | 1954-03-01 | Bayer Ag | Verfahren zur Aufbereitung von Wasser |
US3156644A (en) * | 1961-07-25 | 1964-11-10 | Rohm & Haas | Deionization process |
US3414509A (en) * | 1964-06-19 | 1968-12-03 | Universal Oil Prod Co | Desalinization of aqueous solutions |
US3420773A (en) * | 1966-03-03 | 1969-01-07 | Ionics | Treatment of water |
US3595784A (en) * | 1968-10-14 | 1971-07-27 | Ecodyne Corp | Continuous countercurrent ion exchange method and apparatus |
DE2455835A1 (de) * | 1973-12-19 | 1975-06-26 | Ckd Dukla | Verfahren zur vollentsalzung von loesungen |
FR2368296A1 (fr) * | 1976-10-19 | 1978-05-19 | Rohm & Haas | Perfectionnements aux procedes et dispositifs, pour echange d'ions, utilisant des resines thermiquement regenerables |
Also Published As
Publication number | Publication date |
---|---|
FR2437868B1 (fr) | 1981-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |