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RU2000129624A - METHOD FOR CLEANING METAL SURFACES FROM DEPOSITS - Google Patents

METHOD FOR CLEANING METAL SURFACES FROM DEPOSITS

Info

Publication number
RU2000129624A
RU2000129624A RU2000129624/02A RU2000129624A RU2000129624A RU 2000129624 A RU2000129624 A RU 2000129624A RU 2000129624/02 A RU2000129624/02 A RU 2000129624/02A RU 2000129624 A RU2000129624 A RU 2000129624A RU 2000129624 A RU2000129624 A RU 2000129624A
Authority
RU
Russia
Prior art keywords
deposits
metal surfaces
cleaning metal
stage
solution containing
Prior art date
Application number
RU2000129624/02A
Other languages
Russian (ru)
Other versions
RU2190698C2 (en
Inventor
Анатолий Сергеевич Ющенко
Александр Владимирович Гончар
Георгий Михайлович Курдюмов
Сергей Николаевич Счастливцев
Лев Николаевич Кузнецов
Виктор Александрович Тепаев
Original Assignee
Московский государственный институт стали и сплавов (технологический университет)
Filing date
Publication date
Application filed by Московский государственный институт стали и сплавов (технологический университет) filed Critical Московский государственный институт стали и сплавов (технологический университет)
Priority to RU2000129624A priority Critical patent/RU2190698C2/en
Priority claimed from RU2000129624A external-priority patent/RU2190698C2/en
Application granted granted Critical
Publication of RU2190698C2 publication Critical patent/RU2190698C2/en
Publication of RU2000129624A publication Critical patent/RU2000129624A/en

Links

Claims (1)

Способ очистки металлических поверхностей от отложений, включающий двухстадийную обработку поверхности - на первой стадии водным щелочным раствором и на второй - раствором, содержащим фосфорсодержащий органический растворитель, отличающийся тем, что в качестве водного щелочного раствора используют раствор, содержащий мас. %: 35-43% едкого натра, 3-4% полифосфата натрия, остальное - вода, а на второй стадии - водный раствор, содержащий мас. %: 0,08-0,15% аминоэфира ортофосфорной кислоты, 0,3-0,7% полидиметилдиаллиламмонийфторида, остальное - вода.A method of cleaning metal surfaces from deposits, including a two-stage surface treatment - in the first stage with an aqueous alkaline solution and in the second with a solution containing a phosphorus-containing organic solvent, characterized in that a solution containing wt. %: 35-43% sodium hydroxide, 3-4% sodium polyphosphate, the rest is water, and in the second stage, an aqueous solution containing wt. %: 0.08-0.15% phosphoric acid amino ester, 0.3-0.7% polydimethyldiallylammonium fluoride, the rest is water.
RU2000129624A 2000-11-28 2000-11-28 Method of cleaning metal surfaces from deposits RU2190698C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000129624A RU2190698C2 (en) 2000-11-28 2000-11-28 Method of cleaning metal surfaces from deposits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000129624A RU2190698C2 (en) 2000-11-28 2000-11-28 Method of cleaning metal surfaces from deposits

Publications (2)

Publication Number Publication Date
RU2190698C2 RU2190698C2 (en) 2002-10-10
RU2000129624A true RU2000129624A (en) 2002-12-20

Family

ID=20242603

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000129624A RU2190698C2 (en) 2000-11-28 2000-11-28 Method of cleaning metal surfaces from deposits

Country Status (1)

Country Link
RU (1) RU2190698C2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2036980C1 (en) * 1991-06-07 1995-06-09 Общество с ограниченной ответственностью - Научно-экологическое предприятие "ЭКОСИ" Metal surfaces depositions cleansing method
FR2683165A1 (en) * 1991-10-31 1993-05-07 Commissariat Energie Atomique PROCESS FOR CLEANING EVAPORATORS OF ORGANIC EFFLUENTS
JP3199824B2 (en) * 1992-03-13 2001-08-20 日本パーカライジング株式会社 Cleaning solution for tinplate and cleaning method
FR2694944A1 (en) * 1992-08-24 1994-02-25 Benhaim Alain Compsn. for softening scale on central heating pipes - contains sodium carbonate, sodium hydroxide, sodium silicate, anionic surfactant, reaction accelerator and water

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