FR2409964A1 - Inhibiting boiler scale formation or metal corrosion - e.g. in sea water evapn. by adding cyclic dimer of hydroxy-di:phosphonic acid - Google Patents
Inhibiting boiler scale formation or metal corrosion - e.g. in sea water evapn. by adding cyclic dimer of hydroxy-di:phosphonic acidInfo
- Publication number
- FR2409964A1 FR2409964A1 FR7833346A FR7833346A FR2409964A1 FR 2409964 A1 FR2409964 A1 FR 2409964A1 FR 7833346 A FR7833346 A FR 7833346A FR 7833346 A FR7833346 A FR 7833346A FR 2409964 A1 FR2409964 A1 FR 2409964A1
- Authority
- FR
- France
- Prior art keywords
- water
- hydroxy
- evapn
- cyclic dimer
- sea
- 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.)
- Granted
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 3
- 239000013535 sea water Substances 0.000 title abstract 3
- 230000007797 corrosion Effects 0.000 title abstract 2
- 238000005260 corrosion Methods 0.000 title abstract 2
- 125000004122 cyclic group Chemical group 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 title 1
- 230000002401 inhibitory effect Effects 0.000 title 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- PAXPHUUREDAUGV-UHFFFAOYSA-N OP(=O)OP(O)(O)=O Chemical compound OP(=O)OP(O)(O)=O PAXPHUUREDAUGV-UHFFFAOYSA-N 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 238000005660 chlorination reaction Methods 0.000 abstract 1
- 239000000539 dimer Substances 0.000 abstract 1
- 239000003651 drinking water Substances 0.000 abstract 1
- 235000020188 drinking water Nutrition 0.000 abstract 1
- 239000003129 oil well Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/167—Phosphorus-containing compounds
- C23F11/1676—Phosphonic acids
-
- 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
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Formation of deposits, esp. boiler scale, or corrosion of metal surfaces in water conduits or plant is inhibited by adding 500 ppm of a cyclic dimer of a hydroxy-diphosphonic acid. The dimer has formula (I) (where R is a 1-20C alkyl, aryl, aralkyl or aliphatic ether gp., esp. Me). (I) are esp. useful for treating (i) sea-water fed to evaporators for drinking water prodn. on ships, desert coats or islands, partic. chlorinated sea-water and sea-water subjected to continuous chlorination, and (ii) water injected into oil wells during sec. oil recovery, to inhibit the formation of Ba- or Ca-contg. deposits.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4911477 | 1977-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2409964A1 true FR2409964A1 (en) | 1979-06-22 |
| FR2409964B1 FR2409964B1 (en) | 1982-02-12 |
Family
ID=10451193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7833346A Granted FR2409964A1 (en) | 1977-11-25 | 1978-11-24 | Inhibiting boiler scale formation or metal corrosion - e.g. in sea water evapn. by adding cyclic dimer of hydroxy-di:phosphonic acid |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS6017830B2 (en) |
| AR (1) | AR217882A1 (en) |
| AU (1) | AU528091B2 (en) |
| CA (1) | CA1128402A (en) |
| DE (1) | DE2850925A1 (en) |
| ES (1) | ES475398A1 (en) |
| FR (1) | FR2409964A1 (en) |
| HK (1) | HK59183A (en) |
| IT (1) | IT1109096B (en) |
| MX (1) | MX150586A (en) |
| SG (1) | SG34883G (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1334824C (en) * | 1987-02-11 | 1995-03-21 | Stewart Nelson Paul | Biocide protectors |
| JPH01319016A (en) * | 1988-06-17 | 1989-12-25 | Itaro Ouchida | Pad mat and pad of spectacles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079340A (en) * | 1965-03-30 | 1967-08-16 | Procter & Gamble | New cyclic phosphonic compounds |
| US3496222A (en) * | 1967-12-28 | 1970-02-17 | Procter & Gamble | Diacetylated cyclic dimer of ethane-1-hydroxy - 1,1 - diphosphonic acid and salts thereof |
| GB1345518A (en) * | 1970-02-20 | 1974-01-30 | Albright & Wilson | Phosphonate sequestrant |
-
1978
- 1978-11-23 AU AU41870/78A patent/AU528091B2/en not_active Expired
- 1978-11-24 AR AR274577A patent/AR217882A1/en active
- 1978-11-24 MX MX175752A patent/MX150586A/en unknown
- 1978-11-24 FR FR7833346A patent/FR2409964A1/en active Granted
- 1978-11-24 ES ES475398A patent/ES475398A1/en not_active Expired
- 1978-11-24 CA CA316,871A patent/CA1128402A/en not_active Expired
- 1978-11-24 IT IT69694/78A patent/IT1109096B/en active
- 1978-11-24 DE DE19782850925 patent/DE2850925A1/en active Granted
- 1978-11-25 JP JP53145943A patent/JPS6017830B2/en not_active Expired
-
1983
- 1983-06-17 SG SG348/83A patent/SG34883G/en unknown
- 1983-11-24 HK HK591/83A patent/HK59183A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079340A (en) * | 1965-03-30 | 1967-08-16 | Procter & Gamble | New cyclic phosphonic compounds |
| US3496222A (en) * | 1967-12-28 | 1970-02-17 | Procter & Gamble | Diacetylated cyclic dimer of ethane-1-hydroxy - 1,1 - diphosphonic acid and salts thereof |
| GB1345518A (en) * | 1970-02-20 | 1974-01-30 | Albright & Wilson | Phosphonate sequestrant |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6017830B2 (en) | 1985-05-07 |
| IT1109096B (en) | 1985-12-16 |
| DE2850925C2 (en) | 1989-09-21 |
| DE2850925A1 (en) | 1979-05-31 |
| MX150586A (en) | 1984-05-31 |
| IT7869694A0 (en) | 1978-11-24 |
| AU4187078A (en) | 1979-05-31 |
| HK59183A (en) | 1983-12-02 |
| SG34883G (en) | 1984-07-27 |
| JPS5499746A (en) | 1979-08-06 |
| FR2409964B1 (en) | 1982-02-12 |
| ES475398A1 (en) | 1980-02-16 |
| AU528091B2 (en) | 1983-04-14 |
| AR217882A1 (en) | 1980-04-30 |
| CA1128402A (en) | 1982-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |