GB1175352A - Manufacture of Alkali Metal Chlorate. - Google Patents
Manufacture of Alkali Metal Chlorate.Info
- Publication number
- GB1175352A GB1175352A GB5215765A GB5215765A GB1175352A GB 1175352 A GB1175352 A GB 1175352A GB 5215765 A GB5215765 A GB 5215765A GB 5215765 A GB5215765 A GB 5215765A GB 1175352 A GB1175352 A GB 1175352A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali metal
- hypochlorite
- chlorate
- aqueous solution
- solution
- 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
- 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
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
1,175,352. Removing hydrochlorites from alkali metal chlorate solutions. ELECTRIC REDUCTION CO. OF CANADA Ltd. 6 Jan., 1967 [8 Dec., 1965], No. 52157/65. Heading C1A. Alkali metal chlorates are produced by heating an aqueous solution containing hypochlorous acid and alkali metal hypochlorite at a temperature above 65‹ C. while maintaining the pH of the solution between 4À5 and 8À0. The preferred temperature range is 80-100‹ C. and the preferred pH range is 6À8-6À9. This process is particularly designed to reduce the hypochlorite level in an aqueous solution withdrawn from an electrolytic chlorate production cell and the hypochlorite content is preferably reduced to less than 0À2 gram per litre by this process. Further reduction may be accomplished, in the conventional manner, by adding urea, prior to recovery of sodium chlorate from the solution. The pH may be controlled by addition of an inorganic base, preferably an alkali metal hydroxide, especially one wherein the alkali metal cation is the same as that of the hypochlorite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5215765A GB1175352A (en) | 1965-12-08 | 1965-12-08 | Manufacture of Alkali Metal Chlorate. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5215765A GB1175352A (en) | 1965-12-08 | 1965-12-08 | Manufacture of Alkali Metal Chlorate. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1175352A true GB1175352A (en) | 1969-12-23 |
Family
ID=10462850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5215765A Expired GB1175352A (en) | 1965-12-08 | 1965-12-08 | Manufacture of Alkali Metal Chlorate. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1175352A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378447A (en) * | 1992-07-31 | 1995-01-03 | Huron Tech Corp. | Method for the preparation of chlorates from waste gas streams obtained from the production of chlorine dioxide |
-
1965
- 1965-12-08 GB GB5215765A patent/GB1175352A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378447A (en) * | 1992-07-31 | 1995-01-03 | Huron Tech Corp. | Method for the preparation of chlorates from waste gas streams obtained from the production of chlorine dioxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |