RU97101532A - METHOD OF INHIBITING CORROSION AND SEDIMENTS IN WATER-CHARGING SYSTEMS - Google Patents
METHOD OF INHIBITING CORROSION AND SEDIMENTS IN WATER-CHARGING SYSTEMSInfo
- Publication number
- RU97101532A RU97101532A RU97101532/25A RU97101532A RU97101532A RU 97101532 A RU97101532 A RU 97101532A RU 97101532/25 A RU97101532/25 A RU 97101532/25A RU 97101532 A RU97101532 A RU 97101532A RU 97101532 A RU97101532 A RU 97101532A
- Authority
- RU
- Russia
- Prior art keywords
- water
- amount
- polyethylene glycol
- zinc sulfate
- stage
- Prior art date
Links
- 230000002401 inhibitory effect Effects 0.000 title claims 3
- 238000005260 corrosion Methods 0.000 title claims 2
- 230000007797 corrosion Effects 0.000 title claims 2
- 238000000034 method Methods 0.000 title claims 2
- 239000013049 sediment Substances 0.000 title 1
- 229920002556 Polyethylene Glycol 300 Polymers 0.000 claims 4
- 239000002202 Polyethylene glycol Substances 0.000 claims 4
- 229920001223 polyethylene glycol Polymers 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims 4
- 229960001763 zinc sulfate Drugs 0.000 claims 4
- 229910000368 zinc sulfate Inorganic materials 0.000 claims 4
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 claims 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims 3
- 239000011701 zinc Substances 0.000 claims 3
- VPTUPAVOBUEXMZ-UHFFFAOYSA-N (1-hydroxy-2-phosphonoethyl)phosphonic acid Chemical compound OP(=O)(O)C(O)CP(O)(O)=O VPTUPAVOBUEXMZ-UHFFFAOYSA-N 0.000 claims 2
- 239000003112 inhibitor Substances 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 claims 1
- 229910001463 metal phosphate Inorganic materials 0.000 claims 1
- 150000003751 zinc Chemical class 0.000 claims 1
Claims (1)
на 1-ом этапе продолжительностью 1 сутки в оборотную систему в расчете на весь объем воды вводят триполифосфат натрия 90-100 мг/л в расчете на P2O5; сульфат цинка 0,9-1,2 мг/л в расчете на Zn2+; оксиэтилидендифосфоновую кислоту в количестве 0,4-0,5 мг/л; полиэтиленгликоль ПЭГ-300 в количестве 7,5-10 мг/л;
на втором этапе продолжительностью 16 суток в подпиточную воду подают сульфат цинка 0,15-0,2 мг/л в расчете на Zn2+; оксиэтилидендифосфоновую кислоту 0,07-0,1 мг/л; полиэтиленгликоль ПЭГ-300 в количестве 1,2-1,7 мг/л;
на третьем этапе после 17 суток с начала опыта в подпиточную воду подают триполифосфат натрия 25-30 мг/л в расчете на P2O5; сульфат цинка 0,15-0,2 мг/л в расчете на Zn2+; оксиэтилидендифосфоновую кислоту в количестве 0,07-0,1 мг/л; полиэтиленгликоль ПЭГ-300 в количестве 1,2-1,7 мг/л.A method of inhibiting corrosion and deposits in water circulation systems using metal phosphates, hydroxyethylidene diphosphonic acid and zinc salts as inhibitors, characterized in that sodium tripolyphosphate, hydroxyethylidene diphosphonic acid, zinc sulfate and PEG-300 polyethylene glycol are used as inhibiting composition in the following concentrations and processing sequence :
at the 1st stage lasting 1 day, sodium tripolyphosphate of 90-100 mg / l per P 2 O 5 is introduced into the circulating system calculated for the entire volume of water; zinc sulfate 0.9-1.2 mg / l in the calculation of Zn 2+ ; hydroxyethylenediphosphonic acid in the amount of 0.4-0.5 mg / l; polyethylene glycol PEG-300 in the amount of 7.5-10 mg / l;
in the second stage with a duration of 16 days, zinc sulfate of 0.15-0.2 mg / l in terms of Zn 2+ is fed into the make-up water; hydroxyethylidene diphosphonic acid 0.07-0.1 mg / l; polyethylene glycol PEG-300 in the amount of 1.2-1.7 mg / l;
in the third stage, after 17 days from the beginning of the experiment, sodium tripolyphosphate of 25-30 mg / l in terms of P 2 O 5 is fed into the make-up water; zinc sulfate 0.15-0.2 mg / l, calculated on Zn 2+ ; hydroxyethylenediphosphonic acid in an amount of 0.07-0.1 mg / l; polyethylene glycol PEG-300 in the amount of 1.2-1.7 mg / l.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU97101532A RU2128628C1 (en) | 1997-01-27 | 1997-01-27 | Method of inhibiting corrosion and deposits in water-rotation systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU97101532A RU2128628C1 (en) | 1997-01-27 | 1997-01-27 | Method of inhibiting corrosion and deposits in water-rotation systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU97101532A true RU97101532A (en) | 1999-02-20 |
| RU2128628C1 RU2128628C1 (en) | 1999-04-10 |
Family
ID=20189536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU97101532A RU2128628C1 (en) | 1997-01-27 | 1997-01-27 | Method of inhibiting corrosion and deposits in water-rotation systems |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2128628C1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2146232C1 (en) * | 1999-06-09 | 2000-03-10 | Закрытое акционерное общество "Научно-исследовательский институт экологических проблем в металлургии" | Compound for prevention of carbonate, sulfate and iron oxide deposits |
| RU2198852C1 (en) * | 2001-06-13 | 2003-02-20 | Открытое акционерное общество "Новолипецкий металлургический комбинат" | Composition preventing carbonate, sulfate, and iron oxide deposits |
| RU2458867C2 (en) * | 2005-09-06 | 2012-08-20 | Федор Федорович Чаусов | Method of inhibiting scaling |
| RU2423416C1 (en) * | 2010-02-08 | 2011-07-10 | Михаил Аркадьевич Ершов | Composition for inhibiting corrosion and deposits in closed heating systems |
| RU2519685C1 (en) * | 2013-05-06 | 2014-06-20 | Открытое акционерное общество "Химический завод им. Л.Я. Карпова" | Method of producing corrosion inhibitor |
| RU2644157C1 (en) * | 2016-12-13 | 2018-02-08 | Евгений Александрович Курко | Means for chemical cleaning metal surfaces |
| US11897801B2 (en) | 2019-07-30 | 2024-02-13 | Solenis Technologies, L.P. | Silica scale inhibitors |
| RU2763494C1 (en) * | 2020-10-26 | 2021-12-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования «Магнитогорский государственный технический университет им. Г.И. Носова», | Composition for treating makeup water in centralised heat supply systems |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253969A (en) * | 1979-07-16 | 1981-03-03 | Betz Laboratories, Inc. | Deposit control through the use of oligomeric phosphonic acid derivatives |
| US4497713A (en) * | 1982-04-01 | 1985-02-05 | Betz Laboratories | Method of inhibiting corrosion and deposition in aqueous systems |
| SU1278304A1 (en) * | 1984-04-09 | 1986-12-23 | Предприятие П/Я А-7815 | Compound for dissolving carbonate deposits |
| SU1339094A1 (en) * | 1985-04-29 | 1987-09-23 | Всесоюзный Научно-Исследовательский И Проектный Институт По Переработке Газа | Composition for preventing deposition of salts in water cooling systems |
-
1997
- 1997-01-27 RU RU97101532A patent/RU2128628C1/en not_active IP Right Cessation
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