The response surface method is used to investigate the optimal corrosion inhibition condition of reclaimed water pipeline

Author:

Zhou Shangming,Zhu Zhiping,Li Tao,Yang Huo

Abstract

Abstract In order to solve the problem of corrosion and scaling in the recycled water pipeline of thermal power plan, sodium polarized sodium phosphate and sodium molybdenum acid were selected as comparison experiments, and dynamic experiments were used to simulate recycled water through dynamic experiments. The actual usage situation, through the weight of the test, inspected the corrosion effect of different concentration corrosion doses, and the three-dimensional dynamic model of the regenerative water pipeline corrosion of the regenerative water pipeline at the response surface analysis, and the optimal reaction conditions were obtained. Essence The condition of the best sodium polarized sodium phosphate corrosion reaction conditions: the concentration of the corrosion agent was 10 mg/L, the temperature was 21°C, the pH was 8, the corrosion rate was 93.4%; Conditions: The concentration of the corrosion doses was 600 mg/L, the temperature was 21°C, and the pH was 8.47. Under this condition, the optimal corrosion rate of sodium molybdenum was 94.1%. Adding a corrosion agent could reduce the corrosion of the pipeline and reduce the cost of artificial maintenance.

Publisher

IOP Publishing

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