GB1309086A - Process for decolourising crude fluorosilicic acid and its salts - Google Patents
Process for decolourising crude fluorosilicic acid and its saltsInfo
- Publication number
- GB1309086A GB1309086A GB1309086DA GB1309086A GB 1309086 A GB1309086 A GB 1309086A GB 1309086D A GB1309086D A GB 1309086DA GB 1309086 A GB1309086 A GB 1309086A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluorosilicic acid
- acid
- solution
- salts
- decolourising
- 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
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
- C01B33/103—Fluosilicic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Abstract
1309086 Fluorosilicic acid and fluorosilicates FISONS Ltd 23 Oct 1970 [15 Nov 1969] 56039/69 Heading C1A Fluorosilicic acid or water-soluble salts of fluorosilicic acid (e.g. the Mg, Zn or NH 4 salt) are decolorized by treating an aqueous solution of the acid or salt with an oxidizing agent having a standard oxidation potential of less than - 0À53 volts, e.g. sodium hypochlorite, ferric chloride, potassium iodate, potassium permanganate or hydrogen peroxide which removes iodide anions and then treating the solution to remove free iodine, e.g. by passing the solution through a column of active carbon, solvent extraction, volatilization or precipitation as an insoluble iodide.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5603969 | 1969-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1309086A true GB1309086A (en) | 1973-03-07 |
Family
ID=10475572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1309086D Expired GB1309086A (en) | 1969-11-15 | 1969-11-15 | Process for decolourising crude fluorosilicic acid and its salts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1309086A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2265612A (en) * | 1992-03-30 | 1993-10-06 | Chemifloc Tech Ltd | A method for stabilising a fluosilicic acid solution |
| CN103345954A (en) * | 2013-06-20 | 2013-10-09 | 哈尔滨工业大学 | Water treatment method of removing radioactive iodine pollutants by using permanganate and activated carbon together |
| CN111017930A (en) * | 2019-12-31 | 2020-04-17 | 贵州瓮福蓝天氟化工股份有限公司 | Method for removing iodine in fluosilicic acid |
| CN111453735A (en) * | 2020-06-08 | 2020-07-28 | 贵州瓮福蓝天氟化工股份有限公司 | Method for removing iodine from fluosilicic acid |
-
1969
- 1969-11-15 GB GB1309086D patent/GB1309086A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2265612A (en) * | 1992-03-30 | 1993-10-06 | Chemifloc Tech Ltd | A method for stabilising a fluosilicic acid solution |
| CN103345954A (en) * | 2013-06-20 | 2013-10-09 | 哈尔滨工业大学 | Water treatment method of removing radioactive iodine pollutants by using permanganate and activated carbon together |
| CN103345954B (en) * | 2013-06-20 | 2016-06-08 | 哈尔滨工业大学 | A kind of permanganate removes the method for treating water of radioactive iodine pollution with activated carbon coupling |
| CN111017930A (en) * | 2019-12-31 | 2020-04-17 | 贵州瓮福蓝天氟化工股份有限公司 | Method for removing iodine in fluosilicic acid |
| CN111453735A (en) * | 2020-06-08 | 2020-07-28 | 贵州瓮福蓝天氟化工股份有限公司 | Method for removing iodine from fluosilicic acid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |