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journalArticle Yun Liu Qingzhen Du Wei Xiong Yanfang Gao Fang Shang Wei Zhang Gangliang Li Evaluation and Optimization of Corrosion Inhibitor System By combining two methods of weightlessness and electrochemistry, the corrosion inhibitors have been selected and optimized. The orthogonal experiment has been carried out to optimize the inhibitor’s performance. The range analysis results indicated that corrosion inhibition performance of optimized corrosion inhibitor (HZ-1) has been improved remarkably. The corrosion inhibition rate can reach 94.66% with lower corrosion current density. The optimum concentration of HZ-1 is 90 mg/L and working temperature is 80~100℃. Its site application shows that the inhibitor also has remarkable corrosion inhibition effect, the concentration of iron ions is decreases, and the period of pumping wells has been prolonged significantly. 012035 2020-02-10 en https://iopscience.iop.org/article/10.1088/1757-899X/729/1/012035 2020-02-19 16:38:11 CrossRef IOP Conference Series: Materials Science and Engineering 729 DOI 10.1088/1757-899X/729/1/012035 ISSN 1757-899X