可持续防腐：壳聚糖/还原氧化石墨烯纳米复合涂层，源自棕榈油空果束在低碳钢上

Q1 Environmental Science Case Studies in Chemical and Environmental Engineering Pub Date : 2025-06-01 Epub Date: 2025-01-27 DOI:10.1016/j.cscee.2025.101116

Sri Suhartini , Novita Ainur Rohma , Andhika Putra Agus Pratama , Nimas Mayang Sabrina Sunyoto , Efri Mardawati , Kasbawati , Abdul Mudjib Sulaiman , Afifah Harmayanti , Femiana Gapsari

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摘要

对可持续防腐材料的需求不断增长，推动了环保创新。本研究开发了一种壳聚糖/还原性氧化石墨烯（rGO）纳米复合涂层，用于低碳钢（LCS）的防腐。在最佳条件（温度、搅拌、pH）下，采用硫酸钾和氯化锌进行绿色氧化还原，成功合成了还原氧化石墨烯。90%壳聚糖/ 10%氧化石墨烯涂层的缓蚀效率高达90.65%，通过增强电荷转移阻力和形成坚固的防腐屏障来降低腐蚀速率。这种可扩展、可持续的解决方案为工业腐蚀防护提供了一种经济高效的替代方案。

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Sustainable corrosion protection: Chitosan/reduced graphene oxide nanocomposite coating derived from palm oil empty fruit bunches on low carbon steel

The growing demand for sustainable corrosion protection materials has prompted eco-friendly innovations. This study developed a chitosan/reduced graphene oxide (rGO) nanocomposite coating derived from empty fruit bunches (EFB) for corrosion protection on low carbon steel (LCS). Using a green oxidation-reduction process with KMnO₄ and ZnCl₂ under optimized conditions (temperature, stirring, pH), the rGO was successfully synthesized. The 90 % chitosan/10 % rGO coating achieved a high inhibition efficiency of 90.65 %, reducing corrosion rates by enhancing charge transfer resistance and creating a robust anti-corrosion barrier. This scalable, sustainable solution offers a cost-effective alternative for industrial corrosion protection.

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