FR2282405A1 - Procede de nettoyage d'incrustations de sels de colonne de precipitation dans le procede de fabrication de carbonate de soude a l'ammoniac - Google Patents
Procede de nettoyage d'incrustations de sels de colonne de precipitation dans le procede de fabrication de carbonate de soude a l'ammoniacInfo
- Publication number
- FR2282405A1 FR2282405A1 FR7523816A FR7523816A FR2282405A1 FR 2282405 A1 FR2282405 A1 FR 2282405A1 FR 7523816 A FR7523816 A FR 7523816A FR 7523816 A FR7523816 A FR 7523816A FR 2282405 A1 FR2282405 A1 FR 2282405A1
- Authority
- FR
- France
- Prior art keywords
- columns
- pptn
- soda process
- leach
- ammonia
- 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
- 238000009621 Solvay process Methods 0.000 title abstract 2
- 238000004140 cleaning Methods 0.000 title 1
- 238000005406 washing Methods 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/18—Preparation by the ammonia-soda process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Removal Of Specific Substances (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742439992 DE2439992C3 (de) | 1974-08-21 | 1974-08-21 | Verfahren zum Reinigen von salzverkrusteten Fällkolonnen des Ammoniaksoda-Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2282405A1 true FR2282405A1 (fr) | 1976-03-19 |
| FR2282405B1 FR2282405B1 (enExample) | 1980-07-25 |
Family
ID=5923677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7523816A Granted FR2282405A1 (fr) | 1974-08-21 | 1975-07-30 | Procede de nettoyage d'incrustations de sels de colonne de precipitation dans le procede de fabrication de carbonate de soude a l'ammoniac |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE832578A (enExample) |
| CS (1) | CS225125B2 (enExample) |
| DE (1) | DE2439992C3 (enExample) |
| FR (1) | FR2282405A1 (enExample) |
| NL (1) | NL7509555A (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE386874C (de) * | 1921-04-08 | 1923-12-18 | Kohlentechnik M B H Ges | Verfahren zur Umwandlung von Natriumbikarbonat in neutrales Karbonat |
| DE1567923B2 (de) * | 1967-08-29 | 1975-02-20 | Chemische Fabrik Kalk Gmbh, 5000 Koeln | Verfahren zur Herstellung von Natriumhydrogencarbonat |
-
1974
- 1974-08-21 DE DE19742439992 patent/DE2439992C3/de not_active Expired
-
1975
- 1975-07-17 CS CS506975A patent/CS225125B2/cs unknown
- 1975-07-30 FR FR7523816A patent/FR2282405A1/fr active Granted
- 1975-08-11 NL NL7509555A patent/NL7509555A/xx not_active Application Discontinuation
- 1975-08-20 BE BE159322A patent/BE832578A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2439992A1 (de) | 1976-03-04 |
| DE2439992B2 (de) | 1979-09-06 |
| NL7509555A (nl) | 1976-02-24 |
| CS225125B2 (en) | 1984-02-13 |
| FR2282405B1 (enExample) | 1980-07-25 |
| BE832578A (fr) | 1975-12-16 |
| DE2439992C3 (de) | 1985-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH528806A (de) | Verfahren zur Reinigung von während des Betriebes mit HaeO bzw. DaeO benetzten Teilen von Kernkraftwerksanlagen | |
| FR2282405A1 (fr) | Procede de nettoyage d'incrustations de sels de colonne de precipitation dans le procede de fabrication de carbonate de soude a l'ammoniac | |
| CH368759A (fr) | Procédé de traitement d'un tissu épinglé-bouclé, pour en épanouir les boucles, et tissu épinglé-bouclé obtenu selon ce procédé | |
| CH549359A (de) | Verfahren zum herstellen eines reissverschlusses durch weben und vorrichtung zur ausfuehrung des verfahrens. | |
| ES442464A1 (es) | Procedimiento para la recuperacion de amoniaco. | |
| CH459131A (de) | Verfahren zum Herstellen eines Faserverbandes und dabei erhaltener Faserverband | |
| FR1202954A (fr) | Procédé de régénération d'échangeurs d'ions utilisés pour l'élimination des sels de solutions sucrées en cycle ammonique | |
| AT251504B (de) | Verfahren zum Herstellen eines Gewebes und Webmaschine zur Durchführung des Verfahrens | |
| JPS5226760A (en) | Method of treating polluted water using ozone | |
| AT339857B (de) | Verfahren zum reinigen von walzen durch eine laufende, an den walzen anliegende wischbahn und vorrichtung zur durchfuhrung des verfahrens | |
| SU508338A1 (ru) | Способ получени слитков | |
| SU384911A1 (ru) | Способ очистки сернокислых растворов кадмия и цинка от никеля | |
| FR2087232A5 (en) | Calcium tartrate prodn - during removal of tartar deposits from wine vats | |
| GB949680A (en) | Improvements in or relating to pickling installations | |
| BE847632A (fr) | Procede de recuperation des sels pour traitements thermiques entraines lors de lavage de pieces soumises a tel traitement, | |
| GB1023913A (en) | An improved process for the manufacture of sodium carbonate | |
| JPS5387548A (en) | Cleaning recovery of condensed water formed from gasification step by steamreforming process | |
| AT311507B (de) | Verfahren zum Herstellen eines Formkörpers | |
| JPS51122966A (en) | Washing machine | |
| YU143476A (en) | Process for the purification of aqueous solutions and elimination of impuriries insoluble in water | |
| GB937763A (en) | Improvements in water softening apparatus and system | |
| BR7309285D0 (pt) | Processo de recuperacao de sais organicos de amonia em solucoes aquosas | |
| GB1213000A (en) | Improvements in or relating to water-softening apparatus | |
| GB1105498A (en) | Process for the purification of h or a n/h mixture | |
| FR1310466A (fr) | Procédé de traitement du lait de brebis en vue de sa consommation en nature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |