Exploration of Eucheuma Seaweed Algae Extract as a Novel Green Corrosion Inhibitor for API ۵L Carbon Steel in Hydrochlorid Acid Medium
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-35-3_019
تاریخ نمایه سازی: 27 بهمن 1400
Abstract:
Regarding the issue of green chemistry and the vision of human sustainability, a novel corrosion inhibitor for API ۵L carbon steel was explored from Eucheuma seaweed algae. The inhibiting performance of Eucheuma extract was studied by electrochemical measurements such as potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). In this work, the Fourier Transform Infra-Red (FTIR) was also employed to confirm the main phenolic compounds of Eucheuma extract. The electrochemical measurement result indicated that the Eucheuma extract was an efficient corrosion inhibitor in reducing corrosion attacks of API ۵L carbon steel in hydrochloric acid medium. The improved corrosion resistance is attributed to the complicated items, including extract concentration and holding time. Eucheuma inhibitor efficiency up to ۹۰% (۹۶.۴%) with concentration ۵۰۰ppm and ۳۰min holding time indicated that Eucheuma could be used as a green inhibitor. It was found that the Eucheuma extract was a mixed-type corrosion inhibitor that inhibit both the cathodic and anodic corrosion reaction. This study was helpful to discover the seaweed algae that was abundant in Indonesia’s marine for inhibiting corrosion of API ۵L carbon steel in an aggressive environment.
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Authors
A. Nikitasari
Research Center for Metallurgy and Material, National Research and Innovation Agency, Indonesia
G. Priyotomo
Research Center for Metallurgy and Material, National Research and Innovation Agency, Indonesia
A. Royani
Research Center for Metallurgy and Material, National Research and Innovation Agency, Indonesia
S. Sundjono
Research Center for Metallurgy and Material, National Research and Innovation Agency, Indonesia
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