DE338962C - Process for the production of solid sodium hypochlorite - Google Patents
Process for the production of solid sodium hypochloriteInfo
- Publication number
- DE338962C DE338962C DE1919338962D DE338962DD DE338962C DE 338962 C DE338962 C DE 338962C DE 1919338962 D DE1919338962 D DE 1919338962D DE 338962D D DE338962D D DE 338962DD DE 338962 C DE338962 C DE 338962C
- Authority
- DE
- Germany
- Prior art keywords
- production
- chlorine
- sodium hypochlorite
- solid sodium
- solid
- 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
Links
- 239000007787 solid Substances 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000005708 Sodium hypochlorite Substances 0.000 title description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- 239000000460 chlorine Substances 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000003518 caustics Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000007789 gas Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/04—Hypochlorous acid
- C01B11/06—Hypochlorites
- C01B11/062—Hypochlorites of alkali metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Herstellung von festem Natriumhypochlorit. Bisher erfolgte die Herstellung von Natriumhypochlorit derartig, daß mam Lösungen der Ätzalkalien der Einwirkung von Chlor aussetzte. Als Ergebnis erzielt man Flüssigkeiten, deren Transport und Aufbewahrung selbstverständlich Schwierigkeiten bereitet.Process for the production of solid sodium hypochlorite. So far took place the production of sodium hypochlorite in such a way that mam solutions of the caustic alkalis exposed to the action of chlorine. The result is liquids whose Transport and storage are of course difficult.
Das vorliegende Verfahren bezweckt, Alkalihypochlorite in fester Form herzustellen, derartig, daß dieselben fest transportiert werden können. Die Anwendung z. B. in der Textilindustrie erfolgt, indem man das feste pulverige Alkalihypochlorit in Wasser löst.The present process aims to produce alkali hypochlorites in solid form to produce such that the same can be firmly transported. The application z. B. in the textile industry is done by the solid powdery alkali hypochlorite dissolves in water.
Es ist bekannt, Chlor auf gepulvertes, trockenes Natriumkarbonat einwirken zu lassen (D a mm er, Handbuch der anorganischen Chemie 1894, 112, S.-133). Die Einwirkung von Chlor auf Soda ist aber reversibel, d. h. die entstehende Kohlensäure zersetzt ihrerseits das gebildete Hypochlorit. Das auf diesem Wege hergestellte Hypochlorit enthält daher eine für die praktische Verwendung zu geringe Menge an wirksamem Chlor.Chlorine is known to act on powdered, dry sodium carbonate to let (D a mm er, Handbuch der inorganic Chemie 1894, 112, S.-133). the However, the effect of chlorine on soda is reversible, i. H. the resulting carbonic acid in turn decomposes the hypochlorite formed. The one produced in this way Therefore, hypochlorite contains too small an amount for practical use effective chlorine.
Das vorliegende Verfahren besteht darin, daß man feste Ätzalkalien, z. B. Natriumhydroxyd, vorteilhaft in zerkleinertem, z. B. gepulvertem Zustande, mit einem durch Luft oder andere indifferente Gase, beispielsweise Stickstoff oder Kohlenoxyd, verdünntem Chlorstrom behandelt und dafür Sorge trägt, daß die bei der Einwirkung entwickelte Reaktionswärme durch hinreichende Kühlung ausgeglichen wird. Man kann das Verfahren beispielsweise derartig ausführen, daß man gepulveries Nätriumhydro4yd in eine Kammer bringt, in welche eine Mischung von Luft mit Chlor, die vorteilhaft etwas Feuchtigkeit enthält, aber von Kohlensäure befreit ist, eingeleitet wird. Man sorgt dafür, daß eine gute Vermischung des festen Ätznatrons mit dem Gase stattfindet. Es kann dies beispielsweise durch sorgfältiges Rühren o. dgl. stattfinden. Man kann fortlaufend einen Gasstrom aus Luft und Chlor in die Kammer einleiten und die abziehenden Gase wiederum zu einer- erneuten Behandlung des Ätznatrons verwenden, bis sich eine weitgehende Erschöpfung des Chlors herausstellt. Die Kammern werden durch Belegen mit Eis oder durch Verdampfung verflüssigter Luft oder allgemein verflüssigter Gase gekühlt. Man kann auch verflüssigte Luft in die Kammer einbringen und durch deren Verdampfung eine Kühlung herbeiführen. Wenn die Außentemperatur hinreichend niedrig ist, so kann man auch eine äußere Kühlung mit Wasser, Salzlösungen o. dgl. vornehmen. Wenn die Aufnahme des Chlors hinreichend vorgeschritten ist, so daß ein festes Natriumhypochlorit von dem gewünschten Gehaltes an wirksamem Chlor erhalten wird, so kann man den Chlorstrom abstellen und das Produkt entleeren. Man kann nötigenfalls eine Zerkleinerung vornehmen.The present method consists in that solid caustic alkalis, z. B. sodium hydroxide, advantageously in crushed, z. B. powdered state, with one by air or other inert gases, for example nitrogen or Treated carbon oxide, diluted chlorine stream and ensures that the The heat of reaction developed under the influence is compensated for by adequate cooling. The process can for example be carried out in such a way that powdered sodium hydroxide is used brings into a chamber in which a mixture of air with chlorine, which is beneficial contains some moisture but has been de-aerated. It is ensured that there is good mixing of the solid caustic soda with the gases. This can take place, for example, by careful stirring or the like. One can continuously introduce a gas stream of air and chlorine into the chamber and remove the Use gases again to treat the caustic soda again until a extensive depletion of the chlorine turns out. The chambers are by evidence with ice or by evaporation of liquefied air or generally liquefied gases chilled. You can also bring liquefied air into the chamber and through it Evaporation bring about cooling. When the outside temperature is sufficiently low external cooling with water, salt solutions or the like can also be carried out. When the uptake of the chlorine has progressed sufficiently, so that a solid sodium hypochlorite of the desired content of active chlorine is obtained, the chlorine stream can be used turn off and empty the product. If necessary, crushing can be carried out.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE338962T | 1919-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE338962C true DE338962C (en) | 1921-07-08 |
Family
ID=6223102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1919338962D Expired DE338962C (en) | 1919-04-23 | 1919-04-23 | Process for the production of solid sodium hypochlorite |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE338962C (en) |
-
1919
- 1919-04-23 DE DE1919338962D patent/DE338962C/en not_active Expired
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