GB1161677A - Production of Chlorates - Google Patents
Production of ChloratesInfo
- Publication number
- GB1161677A GB1161677A GB53455/66A GB5345566A GB1161677A GB 1161677 A GB1161677 A GB 1161677A GB 53455/66 A GB53455/66 A GB 53455/66A GB 5345566 A GB5345566 A GB 5345566A GB 1161677 A GB1161677 A GB 1161677A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali metal
- cell
- chlorine
- chlorate
- acidification
- 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
-
- 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
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
- C25B1/265—Chlorates
-
- 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
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the material
- C25B13/05—Diaphragms; Spacing elements characterised by the material based on inorganic materials
- C25B13/06—Diaphragms; Spacing elements characterised by the material based on inorganic materials based on asbestos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
1,161,677. Electrochemical chlorate production. HOOKER CHEMICAL CORP. 29 Nov., 1966 [30 Nov., 1965], No. 53455/66. Heading C1A. [Also in Division C7] Alkali metal chlorates are produced by the electrochemical decomposition of an alkali metal chloride in a chlor-alkali diaphragm cell in which an aqueous solution of an alkali metal chloride and alkali metal chlorate is subjected to a decomposition voltage to produce chlorine and an alkali metal hydroxide, removing the chlorine and hydroxide from the cell, mixing and reacting the chlorine and hydroxide together at a pH of 6 to 8 to form, initially, hypochlorite which reacts to give chlorate, acidifying at least a portion of said reaction mixture and returning the portion to the anolyte compartment of the cell, the acidification being in an amount to produce an anolyte pH of 1 to 5. Sodium is the preferred alkali metal and acidification is accomplished with HC1 and/or Cl 2 . The cell temperature is maintained between 60 and 100 C. but all or part of the mixture after the chlorine and caustic soda reaction may be cooled to crystallize out some of the chlorate produced before returning the solution to the cell, after acidification. The diaphragm is preferably anthophyllite asbestos or a mixture containing it and can be made up on a mild steel gauze. Dichromates or chromic acid may be present in the solution to inhibit corrosion of the cell.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51059265A | 1965-11-30 | 1965-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1161677A true GB1161677A (en) | 1969-08-20 |
Family
ID=24031360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB53455/66A Expired GB1161677A (en) | 1965-11-30 | 1966-11-29 | Production of Chlorates |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3464901A (en) |
| BE (1) | BE690501A (en) |
| DE (1) | DE1567587A1 (en) |
| FR (1) | FR1502455A (en) |
| GB (1) | GB1161677A (en) |
| NL (2) | NL6616837A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159929A (en) * | 1978-05-17 | 1979-07-03 | Hooker Chemicals & Plastics Corp. | Chemical and electro-chemical process for production of alkali metal chlorates |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2511516A (en) * | 1945-10-31 | 1950-06-13 | Western Electrochemical Compan | Process for making sodium chlorate |
| US2628935A (en) * | 1946-06-05 | 1953-02-17 | Pennsylvania Salt Mfg Co | Electrolytic production of chlorates |
| US2954333A (en) * | 1957-07-11 | 1960-09-27 | Columbia Southern Chem Corp | Method of electrolyzing brine |
| US3043757A (en) * | 1959-07-08 | 1962-07-10 | Olin Mathieson | Electrolytic production of sodium chlorate |
| US3055821A (en) * | 1960-03-07 | 1962-09-25 | Olin Mathieson | Diaphragmless monopolar elecrolytic cell |
| FR1220408A (en) * | 1960-06-22 | 1960-05-24 | Ici Ltd | Multiple electrolytic cells |
-
0
- NL NL136039D patent/NL136039C/xx active
-
1965
- 1965-11-30 US US510592A patent/US3464901A/en not_active Expired - Lifetime
-
1966
- 1966-11-29 GB GB53455/66A patent/GB1161677A/en not_active Expired
- 1966-11-30 FR FR85542A patent/FR1502455A/en not_active Expired
- 1966-11-30 BE BE690501D patent/BE690501A/xx unknown
- 1966-11-30 DE DE19661567587 patent/DE1567587A1/en active Pending
- 1966-11-30 NL NL6616837A patent/NL6616837A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE690501A (en) | 1967-05-30 |
| NL6616837A (en) | 1967-05-31 |
| US3464901A (en) | 1969-09-02 |
| NL136039C (en) | |
| DE1567587A1 (en) | 1970-07-16 |
| FR1502455A (en) | 1967-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |