Effectiveness of a fish scales-derived chitosan coating for corrosion protection of carbon steel

Q1 Earth and Planetary Sciences

Egyptian Journal of Petroleum Pub Date : 2022-03-01 DOI:10.1016/j.ejpe.2022.02.001

Femiana Gapsari , Syarif Hidayatullah , Putu Hadi Setyarini , Kartika A. Madurani , Hendra Hermawan

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引用次数: 3

Abstract

Many naturally-derived organic coating has been proposed for corrosion protection of carbon steel, but its effectiveness is challenged by poor coating adhesion. In this work, chitosan was extracted from Nila tilapia fish scales and coated onto ASTM A36 carbon steel surface by using electrophoretic deposition (EPD) and dip coating (DC) techniques. The work aims at determining the coating technique and process parameters that result in effective corrosion protection of carbon steel in acid solution. The effectiveness of corrosion protection was determined by calculating inhibition efficiency from corrosion parameters obtained by polarization test and electrochemical impedance spectroscopy. Results showed that each coating technique provides different mechanism of corrosion protection. The DC-made coating showed a physisorption mechanism where the steel's corrosion rate increases as the temperature increased. The EPD-coated specimens demonstrated a chemisorption mechanism with its minor change in corrosion rates than those of DC-coated specimens. The DC technique resulted in a higher inhibition (73 %) efficiency and lower corrosion rate than that of EPD (41 %) with some degree of stability over increasing temperature.

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鱼鳞壳聚糖涂层对碳钢的防腐效果研究

许多天然有机涂层已被提出用于碳钢的防腐，但其有效性受到涂层附着力差的挑战。本研究从Nila罗非鱼鱼鳞中提取壳聚糖，采用电泳沉积(EPD)和浸渍涂层(DC)技术将壳聚糖涂覆在ASTM A36碳钢表面。本文旨在确定碳钢在酸性溶液中有效防腐的涂层技术和工艺参数。通过极化试验和电化学阻抗谱分析得到的腐蚀参数计算缓蚀效率，确定了防腐效果。结果表明，不同的涂层技术具有不同的防腐机理。dc涂层表现出物理吸附机制，随着温度的升高，钢的腐蚀速率增加。epd涂层试样表现出化学吸附机制，其腐蚀速率比dc涂层试样变化较小。与EPD(41%)相比，直流技术的缓蚀效率更高(73%)，腐蚀速率更低，并且随着温度的升高有一定程度的稳定性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Egyptian Journal of Petroleum Earth and Planetary Sciences-Geochemistry and Petrology

CiteScore

7.70

自引率

0.00%

发文量

审稿时长

84 days

期刊介绍： Egyptian Journal of Petroleum is addressed to the fields of crude oil, natural gas, energy and related subjects. Its objective is to serve as a forum for research and development covering the following areas: • Sedimentation and petroleum exploration. • Production. • Analysis and testing. • Chemistry and technology of petroleum and natural gas. • Refining and processing. • Catalysis. • Applications and petrochemicals. It also publishes original research papers and reviews in areas relating to synthetic fuels and lubricants - pollution - corrosion - alternate sources of energy - gasification, liquefaction and geology of coal - tar sands and oil shale - biomass as a source of renewable energy. To meet with these requirements the Egyptian Journal of Petroleum welcomes manuscripts and review papers reporting on the state-of-the-art in the aforementioned topics. The Egyptian Journal of Petroleum is also willing to publish the proceedings of petroleum and energy related conferences in a single volume form.