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The items include sulfamic acid concentration, temperature, time, corrosion inhibitors and additives. Then, on the basis of the static small-scale test, a dynamic simulation test is performed to simulate the process of pickling, washing, neutralization, passivation and so on.
Practice of cleaning complex and insoluble scale with sulfamic acid
There is a certain technical difficulty in cleaning the complex and insoluble scale, and the key is to choose an appropriate cleaning agent. Sulfamic acid is a good chemical cleaning agent, which can dissolve various scales that are difficult to dissolve with hydrochloric acid under normal conditions.
After sulfamic acid cleans complex and insoluble scale
Cleaning effect inspection and evaluation of cooling system pipes, various parts of the cooling tower and the plastic multi-faceted hollow spherical packing inside the cooling tower, cleaned, no residual scale, no overwashing. The cleaning effect is good.
The sulfamic acid cleaning is selected as the cleaning agent, and the static small-scale test is first carried out. The items include sulfamic acid concentration, temperature, time, corrosion inhibitors and additives. Then, on the basis of the static small-scale test, a dynamic simulation test is performed to simulate the process of pickling, washing, neutralization, passivation and so on.
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Email:bailc@sandingchem.com
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