Abstract
Water pipes and drinking water quality deterioration in distribution systems and sea water desalination impose the use of corrosion inhibitors. The protective effect of spiropyrazole derivatives against Q235 steel and its adsorption performance were examined in solution of 1 M HCl utilizing TP (Tafel polarization), electrochemical frequency modulation (EFM), and electrochemical impedance spectroscopy (EIS) tests. The outcome data from hindrance efficiency rise with the dose of inhibitor. The orders of %IE of spiropyrazole derivatives are given: (1) > (2) > (3).It was noted that the values of EHOMO and ELUMO dropping in order run parallel to the improvement in %IE, which support the preceding order. EIS spectra exhibited one capacitive loop and approve the protective ability. Molecular docking was utilized to get a full picture on the binding mode among spiropyrazoles derivatives and the receptor of 3tt8-hormone of crystal structure examination of Cu human insulin derivative. The morphology of protected Q235 steel was evaluated by checking electron magnifying instrument innovation with energy dispersive X-beam spectroscopy (SEM–EDX).
Highlights
Corrosion in distribution systems pipes resulted in pipe material destruction, and deterioration in drinking water quality, i.e., water infection with other wastewater or any other water.Which leads to corrosion of valves or pumps in addition to blockage in pipes as a result of solid corrosion products.Unwanted chemical and biochemical reactions that occur in the distribution systems that release iron into distributed water can accumulate, creating tubers [1]
All the spiropyrazole products are potentially brilliant corrosion inhibitors for Q235 steel. The structures of these spiropyrazole inhibtors as well as the presence of certain substituents play a vital role on their effectiveness anticorrosive agents
The outcome values from electrochemical tests were in good agreement
Summary
Which leads to corrosion of valves or pumps in addition to blockage in pipes as a result of solid corrosion products.Unwanted chemical and biochemical reactions that occur in the distribution systems that release iron into distributed water can accumulate, creating tubers [1]. Corrosion measurements (tubers) consist of reactive types that modify the physical and chemical parameters of water in the distribution system by releasing Fe oxyhydroxides, and by interactions, for example, with by-products of chlorinated disinfection [2], nitrates, or with natural organic substance [3]. Oxygen in seawater affects metal pipes corrosion rate. The amount of oxygen affected with the temperature, and influences the rate of corrosion [4]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
