A sustainable and eco-friendly rice husk-derived mesoporous silica nanoparticles loaded with benzotriazole for enhanced corrosion inhibition

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING

Biomass & Bioenergy Pub Date : 2025-09-02 DOI:10.1016/j.biombioe.2025.108335

Leni Rumiyanti , Shania Gracia , Nurul Imani Istiqomah , Dyah Ayu Larasati , Yuliyan Dwi Prabowo , Nugraheni Puspita Rini , Wiwien Andriyanti , Posman Manurung , Abhishek Sharma , Daoud Ali , Chotimah , Edi Suharyadi

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引用次数: 0

Abstract

Corrosion prevention remains a critical global challenge, with inhibitor-loaded nanocontainers offering a promising route to long-term protection. In this study, mesoporous silica nanoparticles (MSNs) were sustainably synthesized from rice husk (RH) biomass via an eco-friendly sol–gel method, loaded with benzotriazole (BTA) by impregnation, and incorporated into an epoxy binder to develop a durable, bio-derived corrosion-inhibition system. Transmission electron microscopy revealed uniform particles with an average diameter of 55.3 nm, while X-ray diffraction confirmed the formation of the SiO₂ phase. Nitrogen adsorption–desorption analysis indicated a pore diameter of 4.7 nm, a specific surface area of 16 m² g⁻¹, and a pore volume of 0.1 cm³ g⁻¹. Corrosion rate testing using the weight-loss method showed a substantial reduction from 3.89 to 1.02 × 10⁻⁴ mm yr⁻¹ with increasing BTA loading, consistent with electrochemical impedance spectroscopy results that demonstrated enhanced corrosion resistance and reduced double-layer capacitance. Surface morphology analysis confirmed that BTA effectively mitigated typical corrosion defects, including pits, cracks, and irregular deposits. For practical application, RH-MSN–BTA was dispersed into epoxy immediately before coating, ensuring uniform distribution, strong interfacial adhesion, controlled release at microcracks, and extended service life with reduced maintenance requirements. This approach integrates renewable nanocontainers, optimized inhibitor dosage, and in-situ epoxy incorporation to achieve high protection efficiency with environmental compatibility and energy savings.

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一种可持续和环保的稻壳衍生的介孔二氧化硅纳米颗粒，负载苯并三唑，具有增强的缓蚀作用

防腐蚀仍然是全球面临的一个重大挑战，负载缓蚀剂的纳米容器提供了一种有希望的长期保护途径。本研究以稻壳（RH）生物质为原料，采用环保的溶胶-凝胶法制备介孔二氧化硅纳米颗粒（MSNs），通过浸渍加载苯并三唑（BTA），并将其掺入环氧粘合剂中，开发出一种耐用的生物衍生缓蚀剂体系。透射电镜观察到颗粒均匀，平均直径为55.3 nm， x射线衍射证实了SiO2相的形成。氮气吸附-解吸分析表明，其孔径为4.7 nm，比表面积为16 m2 g−1，孔体积为0.1 cm3 g−1。用失重法测试腐蚀速率表明，随着BTA负载的增加，腐蚀速率从3.89大幅降低到1.02 × 10−4 mm yr−1，这与电化学阻抗谱结果一致，表明耐腐蚀性增强，双层电容降低。表面形貌分析证实，BTA有效地减轻了典型的腐蚀缺陷，包括凹坑、裂缝和不规则沉积物。在实际应用中，RH-MSN-BTA在涂覆前立即分散到环氧树脂中，确保了分布均匀，界面附着力强，微裂纹处释放可控，延长了使用寿命，减少了维护需求。该方法集成了可再生纳米容器、优化抑制剂用量和原位环氧树脂掺入，以实现高保护效率，同时具有环境兼容性和节能性。

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来源期刊

Biomass & Bioenergy 工程技术-能源与燃料

CiteScore

11.50

自引率

3.30%

发文量

258

审稿时长

60 days

期刊介绍： Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials. The scope of the journal extends to the environmental, management and economic aspects of biomass and bioenergy. Key areas covered by the journal: • Biomass: sources, energy crop production processes, genetic improvements, composition. Please note that research on these biomass subjects must be linked directly to bioenergy generation. • Biological Residues: residues/rests from agricultural production, forestry and plantations (palm, sugar etc), processing industries, and municipal sources (MSW). Papers on the use of biomass residues through innovative processes/technological novelty and/or consideration of feedstock/system sustainability (or unsustainability) are welcomed. However waste treatment processes and pollution control or mitigation which are only tangentially related to bioenergy are not in the scope of the journal, as they are more suited to publications in the environmental arena. Papers that describe conventional waste streams (ie well described in existing literature) that do not empirically address ''new'' added value from the process are not suitable for submission to the journal. • Bioenergy Processes: fermentations, thermochemical conversions, liquid and gaseous fuels, and petrochemical substitutes • Bioenergy Utilization: direct combustion, gasification, electricity production, chemical processes, and by-product remediation • Biomass and the Environment: carbon cycle, the net energy efficiency of bioenergy systems, assessment of sustainability, and biodiversity issues.