Corrosion inhibitor composition, applications thereof, and method using same to perform acid-washing on equipment
The invention discloses a corrosion inhibitor composition, applications thereof, and a method using the same to perform acid-washing on equipment. The corrosion inhibitor composition contains a promoter, thiocyanate, and a hydrazine type corrosion inhibitor, and the weight ratio of the promoter to t...
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| creator | WANG ZUYUAN BU SHAOHUA ZHANG JIANMEI |
| description | The invention discloses a corrosion inhibitor composition, applications thereof, and a method using the same to perform acid-washing on equipment. The corrosion inhibitor composition contains a promoter, thiocyanate, and a hydrazine type corrosion inhibitor, and the weight ratio of the promoter to the thiocyanate to the hydrazine type corrosion inhibitor is 1:0.5-10:0.2-8. The acid-washing on equipment comprises a step of contacting an acid-washing liquid containing the corrosion inhibitor composition with equipment. Through the technical scheme mentioned above, the components in the corrosion inhibitor composition can cooperate with each other to generate a synergetic effect. Therefore, the chemical property of the corrosion inhibitor composition is stable, and the corrosion inhibitor composition is multifunctional and environment-friendly, and is accord with the environment protection requirements. The corrosion inhibitor composition has a wide adaptability and excellent corrosion inhibiting performance, the using amount is little, the processing process is simple, the effect is prominent, and thus the corrosion inhibitor composition is easy to promote and use. |
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The corrosion inhibitor composition contains a promoter, thiocyanate, and a hydrazine type corrosion inhibitor, and the weight ratio of the promoter to the thiocyanate to the hydrazine type corrosion inhibitor is 1:0.5-10:0.2-8. The acid-washing on equipment comprises a step of contacting an acid-washing liquid containing the corrosion inhibitor composition with equipment. Through the technical scheme mentioned above, the components in the corrosion inhibitor composition can cooperate with each other to generate a synergetic effect. Therefore, the chemical property of the corrosion inhibitor composition is stable, and the corrosion inhibitor composition is multifunctional and environment-friendly, and is accord with the environment protection requirements. 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The corrosion inhibitor composition contains a promoter, thiocyanate, and a hydrazine type corrosion inhibitor, and the weight ratio of the promoter to the thiocyanate to the hydrazine type corrosion inhibitor is 1:0.5-10:0.2-8. The acid-washing on equipment comprises a step of contacting an acid-washing liquid containing the corrosion inhibitor composition with equipment. Through the technical scheme mentioned above, the components in the corrosion inhibitor composition can cooperate with each other to generate a synergetic effect. Therefore, the chemical property of the corrosion inhibitor composition is stable, and the corrosion inhibitor composition is multifunctional and environment-friendly, and is accord with the environment protection requirements. The corrosion inhibitor composition has a wide adaptability and excellent corrosion inhibiting performance, the using amount is little, the processing process is simple, the effect is prominent, and thus the corrosion inhibitor composition is easy to promote and use.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY |
| title | Corrosion inhibitor composition, applications thereof, and method using same to perform acid-washing on equipment |
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