FIELD: chemistry.
SUBSTANCE: composition contains 20.0-35.0 wt % hydrochloric acid, 4.0-6.0 wt % sodium or potassium or ammonium pyrosulphate or sodium or potassium or ammonium persulphate, 1.0-1.5 wt % non-ionic surfactant, 3.5-5.0 wt % thiourea, 10.0-15.0 wt % dimethylsulphoxide (DMSO) and water - the balance.
EFFECT: high effectiveness of removing scales from metal surfaces of pipes and different processing units and apparatus by increasing the rate of dissolution of scales.
2 dwg, 3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION FOR REMOVAL OF SCALE AND DEPOSIT | 2005 |
|
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|
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|
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|
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| COMPOSITION FOR DESCALING HEAT-EXCHANGE SURFACES | 2010 |
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|
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|
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| COMPOSITION FOR DISSOLUTION / REMOVAL OF HARDNESS SALTS | 2019 |
|
RU2715205C1 |
| DESCALING COMPOSITION | 2003 |
|
RU2238915C1 |
