GB299074A - Process for conditioning or treating water in boilers and the like to prevent incrustation and corrosion - Google Patents
Process for conditioning or treating water in boilers and the like to prevent incrustation and corrosionInfo
- Publication number
- GB299074A GB299074A GB1327027A GB1327027A GB299074A GB 299074 A GB299074 A GB 299074A GB 1327027 A GB1327027 A GB 1327027A GB 1327027 A GB1327027 A GB 1327027A GB 299074 A GB299074 A GB 299074A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phosphate
- sulphate
- boilers
- precipitation
- calcium
- 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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/083—Mineral agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
299,074. Gordon, J. May 17, 1927. Incrustation and corrosion, preventing.-Incrustation in boilers is prevented by adding to the boiler water a soluble phosphate to precipitate calcium phosphate, and maintaining the concentration of phosphate by further additions during evaporation, to ensure the precipitation of calcium as phosphate sludge rather than as adherent sulphate scale. A fluoride or arsenate may be used in place of phosphate. It is preferred to remove most of the calcium and magnesium by a preliminary treatment with lime and soda ash, or by a base exchange process, and the precipitates are separated from the feed water. Curves are prepared, showing the concentration of phosphate radical relatively to the sulphate radical at different boiler pressures, which 'it is necessary to maintain in the boiler to ensure the precipitation of calcum as phosphate. The hydroxyl concentration produced by hydrolysis of the soluble phosphate may be minimized, to prevent precipitation of magnesium as silicate or hydroxide, by the use of disodium hydrogen phosphate, or phosphoric acid. A preliminary treatment with a barium salt to remove sulphate as barium sulphate may be employed. The process is suitable for use in boilers operating at high temperatures and pressures.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1327027A GB299074A (en) | 1927-05-17 | 1927-05-17 | Process for conditioning or treating water in boilers and the like to prevent incrustation and corrosion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1327027A GB299074A (en) | 1927-05-17 | 1927-05-17 | Process for conditioning or treating water in boilers and the like to prevent incrustation and corrosion |
Publications (1)
Publication Number | Publication Date |
---|---|
GB299074A true GB299074A (en) | 1928-10-17 |
Family
ID=10019913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1327027A Expired GB299074A (en) | 1927-05-17 | 1927-05-17 | Process for conditioning or treating water in boilers and the like to prevent incrustation and corrosion |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB299074A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109516816A (en) * | 2018-12-21 | 2019-03-26 | 杭州钰山津环保科技有限公司 | A kind of shell active carbon removes ceramic material of scale and preparation method thereof |
EP2684849B1 (en) * | 2012-07-09 | 2019-10-30 | BWT Aktiengesellschaft | Method and device for treating drinking water |
-
1927
- 1927-05-17 GB GB1327027A patent/GB299074A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2684849B1 (en) * | 2012-07-09 | 2019-10-30 | BWT Aktiengesellschaft | Method and device for treating drinking water |
CN109516816A (en) * | 2018-12-21 | 2019-03-26 | 杭州钰山津环保科技有限公司 | A kind of shell active carbon removes ceramic material of scale and preparation method thereof |
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