RU98113752A - COMPOSITION FOR PROTECTION AGAINST CORROSION AND SALINATION OF WATER SUPPLY SYSTEMS AND METHOD FOR PREPARING IT - Google Patents
COMPOSITION FOR PROTECTION AGAINST CORROSION AND SALINATION OF WATER SUPPLY SYSTEMS AND METHOD FOR PREPARING ITInfo
- Publication number
- RU98113752A RU98113752A RU98113752/02A RU98113752A RU98113752A RU 98113752 A RU98113752 A RU 98113752A RU 98113752/02 A RU98113752/02 A RU 98113752/02A RU 98113752 A RU98113752 A RU 98113752A RU 98113752 A RU98113752 A RU 98113752A
- Authority
- RU
- Russia
- Prior art keywords
- mixture
- oxide
- terms
- hydroxide
- carbonate
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims 4
- 238000005260 corrosion Methods 0.000 title claims 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 6
- 239000000292 calcium oxide Substances 0.000 claims 5
- 239000000377 silicon dioxide Substances 0.000 claims 5
- 235000012239 silicon dioxide Nutrition 0.000 claims 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 4
- 239000000395 magnesium oxide Substances 0.000 claims 4
- 229960003563 Calcium Carbonate Drugs 0.000 claims 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L Calcium hydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L Magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N Sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 3
- 239000000920 calcium hydroxide Substances 0.000 claims 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims 3
- UDYRPJABTMRVCX-UHFFFAOYSA-J dimagnesium;carbonate;dihydroxide Chemical compound [OH-].[OH-].[Mg+2].[Mg+2].[O-]C([O-])=O UDYRPJABTMRVCX-UHFFFAOYSA-J 0.000 claims 3
- 239000001095 magnesium carbonate Substances 0.000 claims 3
- 239000011776 magnesium carbonate Substances 0.000 claims 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 3
- NOTVAPJNGZMVSD-UHFFFAOYSA-N Potassium oxide Chemical compound [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 claims 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims 2
- 229910001950 potassium oxide Inorganic materials 0.000 claims 2
- 229910001948 sodium oxide Inorganic materials 0.000 claims 2
- YLUIKWVQCKSMCF-UHFFFAOYSA-N calcium;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[Mg+2].[Ca+2] YLUIKWVQCKSMCF-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
Claims (1)
Фосфорная кислота - 66,5 - 72,0
Гидроксид натрия или карбонат натрия, или их смесь (в пересчете на оксид натрия) - 14,5 - 19,5
Оксид кальция или гидроксид кальция, или карбонат кальция, или их смесь (в пересчете на оксид кальция) - 6,5 - 9,5
Оксид магния или гидроксид магния, или карбонат магния, или их смесь (в пересчете на оксид магния) - 0,9 - 3,0
Гидроксид калия или карбонат калия, или их смесь (в пересчете на оксид калия) - 0,9 - 3,7
Диоксид кремния или растворимое стекло (в пересчете на диоксид кремния) - 0,8 - 2,2
2. Способ приготовления композиции для защиты от коррозии и солеотложений систем водоснабжения, включающий смешение фосфорной кислоты с другими компонентами, отличающийся тем, что предварительно измельченные оксид кальция или гидроксид кальция, или карбонат кальция, или их смесь в количестве 6,5 - 9,5 мас.% в пересчете на оксид кальция и оксид магния, или гидроксид магния, или карбонат магния, или их смесь в количестве 0,9 - 3,0 мас. % в пересчете на оксид магния смешивают с гидроксидом натрия, или карбонатом натрия, или их смесью в количестве 14,5 - 19,5 мас.% в пересчете на оксид натрия и с гидроксидом калия, или карбонатом калия, или их смесью в количестве 0,9 - 3,7 мас.% в пересчете на оксид калия, после чего в полученную смесь при одновременном перемешивании добавляют воду до образования однородной взвеси, смесь фильтруют и добавляют в нее 66,5 - 72,0 мас.% фосфорной кислоты, вновь перемешивают и нагревают до образования сиропообразной массы, в которую при постоянном нагреве и перемешивании вводят предварительно измельченный диоксид кремния или растворимое стекло (в пересчете на диоксид кремния) в количестве 0,8 - 2,2 мас.%, затем полученную массу продолжают нагревать до пластического состояния, после чего ее расплавляют при температуре не выше 900°С, расплав выдерживают при температуре плавления в течение 10-30 мин, затем перемешивают и охлаждают со скоростью не менее 150°С/мин.1. Composition for protection against corrosion and scaling of water supply systems containing phosphoric acid, characterized in that it further comprises sodium hydroxide or sodium carbonate, or a mixture thereof, calcium oxide, or calcium hydroxide, or calcium carbonate, or a mixture thereof, magnesium oxide or magnesium hydroxide or magnesium carbonate, or a mixture thereof, potassium hydroxide, or potassium carbonate, or a mixture thereof, silicon dioxide, or soluble glass in the following ratio, wt.%:
Phosphoric acid - 66.5 - 72.0
Sodium hydroxide or sodium carbonate, or a mixture thereof (in terms of sodium oxide) - 14.5 - 19.5
Calcium oxide or calcium hydroxide, or calcium carbonate, or a mixture thereof (in terms of calcium oxide) - 6.5 - 9.5
Magnesium oxide or magnesium hydroxide, or magnesium carbonate, or a mixture thereof (in terms of magnesium oxide) - 0.9 - 3.0
Potassium hydroxide or potassium carbonate, or a mixture thereof (in terms of potassium oxide) - 0.9 - 3.7
Silicon dioxide or soluble glass (in terms of silicon dioxide) - 0.8 - 2.2
2. A method of preparing a composition for protection against corrosion and scaling of water supply systems, comprising mixing phosphoric acid with other components, characterized in that the pre-ground calcium oxide or calcium hydroxide, or calcium carbonate, or a mixture thereof in an amount of 6.5 to 9.5 wt.% in terms of calcium oxide and magnesium oxide, or magnesium hydroxide, or magnesium carbonate, or a mixture thereof in an amount of 0.9 to 3.0 wt. % in terms of magnesium oxide is mixed with sodium hydroxide or sodium carbonate, or a mixture thereof in an amount of 14.5 - 19.5 wt.% in terms of sodium oxide and with potassium hydroxide, or potassium carbonate, or a mixture thereof in an amount of 0 , 9 - 3.7 wt.% In terms of potassium oxide, after which water is added to the resulting mixture while stirring until a homogeneous suspension is formed, the mixture is filtered and 66.5 - 72.0 wt.% Of phosphoric acid are added to it, again mix and heat until a syrupy mass is formed, into which, with constant heating and alternating pre-crushed silicon dioxide or soluble glass (in terms of silicon dioxide) in the amount of 0.8 - 2.2 wt.% is introduced, then the resulting mass is continued to be heated to a plastic state, after which it is melted at a temperature not exceeding 900 ° C, the melt is maintained at a melting temperature for 10-30 minutes, then mixed and cooled at a rate of at least 150 ° C / min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU98113752A RU2149219C1 (en) | 1998-07-20 | 1998-07-20 | Composition for protection against corrosion and salt depositions in water-supply systems and method for preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU98113752A RU2149219C1 (en) | 1998-07-20 | 1998-07-20 | Composition for protection against corrosion and salt depositions in water-supply systems and method for preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU98113752A true RU98113752A (en) | 2000-05-10 |
| RU2149219C1 RU2149219C1 (en) | 2000-05-20 |
Family
ID=20208593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU98113752A RU2149219C1 (en) | 1998-07-20 | 1998-07-20 | Composition for protection against corrosion and salt depositions in water-supply systems and method for preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2149219C1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2506489C2 (en) * | 2012-04-19 | 2014-02-10 | Закрытое Акционерное Общество "Научно-исследовательский, проектно-конструкторский и технологический институт "ВНИИжелезобетон" | Cement-polymer mixture for anticorrosion and abrasive protection of inner surfaces of steel pipes of heat and water supply systems |
| RU2535891C1 (en) * | 2013-10-16 | 2014-12-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Магнитогорский государственный технический университет им. Г.И. Носова" | Composition for protection of water supply and sanitation systems |
| US10081758B2 (en) | 2015-12-04 | 2018-09-25 | Ecolab Usa Inc. | Controlled release solid scale inhibitors |
| WO2017200864A1 (en) | 2016-05-16 | 2017-11-23 | Ecolab USA, Inc. | Slow-release scale inhibiting compositions |
| RU2634109C1 (en) * | 2016-12-20 | 2017-10-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Магнитогорский государственный технический университет им. Г.И. Носова" | Protective composition |
| US11142680B2 (en) | 2016-12-23 | 2021-10-12 | Championx Usa Inc. | Controlled release solid scale inhibitors |
-
1998
- 1998-07-20 RU RU98113752A patent/RU2149219C1/en not_active IP Right Cessation
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