GB480334A - Process for the electrolytic manufacture of hyposulphite - Google Patents
Process for the electrolytic manufacture of hyposulphiteInfo
- Publication number
- GB480334A GB480334A GB2295236A GB2295236A GB480334A GB 480334 A GB480334 A GB 480334A GB 2295236 A GB2295236 A GB 2295236A GB 2295236 A GB2295236 A GB 2295236A GB 480334 A GB480334 A GB 480334A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catholyte
- electrolytic
- sodium
- cathode
- hyposulphites
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
480,334. Electrolytic production of hyposulphites. CARPMAEL, A. (I. G. Farbenindustrie Akt.-Ges.) Aug. 20, 1936, No. 22952. [Class 41] In a process for the production of watersoluble hyposulphites by electrolytic reduction of bisulphites, a current concentration of more than 2 amperes per 100 cc. of catholyte is used, while during the electrolysis the pH value of the catholyte is measured and maintained between 4À0 and 6À5, preferably between 4À5 and 6À0. The process may be carried out at temperatures above 15‹ C., preferably between 25 and 50‹ C. In examples, sodium hyposulphite is manufactured in an electrolytic cell divided into anode and cathode chambers by a porous rubber diaphragm, the anode comprising a lead plate and the cathode a silver wire net. During the electrolysis, the anolyte, consisting of sodium stilphite solution, and the catholyte, consisting of sodium bisulphite solution, are passed continuously through the cell, carbon dioxide, hydrogen, or nitrogen mixed with sulphur dioxide to maintain the desired pH value, being introduced into the cathode chamber from below, for stirring the catholyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2295236A GB480334A (en) | 1936-08-20 | 1936-08-20 | Process for the electrolytic manufacture of hyposulphite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2295236A GB480334A (en) | 1936-08-20 | 1936-08-20 | Process for the electrolytic manufacture of hyposulphite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB480334A true GB480334A (en) | 1938-02-21 |
Family
ID=10187721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2295236A Expired GB480334A (en) | 1936-08-20 | 1936-08-20 | Process for the electrolytic manufacture of hyposulphite |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB480334A (en) |
-
1936
- 1936-08-20 GB GB2295236A patent/GB480334A/en not_active Expired
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