Synthesized polyaspartic acid derivatives as corrosion and scale inhibitors in desalination operations
作者： M.A. Migahed , S.M. Rashwan , M.M. Kamel , R.E. Habib , Zhibing Zhang
DOI: 10.1080/23311916.2017.1366255
关键词:
摘要: AbstractThe present work investigated the preparation of valine polyaspartic acid (Val-PASP) and leucine poly aspartic (Leu-PASP) by using polysuccinimide. PASP compounds were used as corrosion scale inhibitors. The prepared derivatives in this study characterized Fourier transform infrared spectroscopy nuclear magnetic resonance 1HNMR. electrochemical behavior synthesized was studied on carbon steel surface potentiodynamic polarization impedance techniques. morphology C-steel specimens surveyed scanning electron microscopy energy dispersive analysis X-rays investigations. Scale agglomeration inhibition evaluated different concentrations inhibitors standard test method. highest efficiency for Val-PASP Leu-PASP reaches 86.94 88.62% respectively at 250 ppm concentration, while their 92.3 ...
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