N， S -碳量子点作为多级闪蒸淡化系统中卤水加热器的绿色缓蚀剂

IF 9.2 2区工程技术 Q1 ENERGY & FUELS

Sustainable Materials and Technologies Pub Date : 2025-07-09 DOI:10.1016/j.susmat.2025.e01531

Rui Wan , Wenting Zhao , Xia Sun , Zhenqiang Wang , Zhili Gong , Lei Guo , Riadh Marzouki , Mingwen Luo , Ao Li , Yilong Ma , Bochuan Tan

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引用次数: 0

摘要

本文首次提出了利用花生饼渣电化学合成N， S-CDs的环保可持续方法。展示了其作为多级闪蒸淡化系统中卤水加热器的绿色缓蚀剂的潜力。利用TEM、FTIR、XPS、AFM和SEM对材料进行了综合表征，揭示了材料的纳米结构和表面功能。模拟酸洗条件下的电化学评价表明，100 mg/L N， S-CDs的缓蚀效率分别为98.77% (298 K), 98.26% （308 K）和97.22% （318 K）。表面分析证实了保护吸附层的形成，XPS数据证实了N， S-CDs与Cu-Ni合金表面之间的化学键合，这有助于材料的稳定性和耐腐蚀性。热力学研究表明，吸附遵循Langmuir单层行为，结合了物理吸附和化学吸附机制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

N, S‑carbon quantum dots as a green corrosion inhibitor for brine heaters in multistage flash desalination systems

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N, S‑carbon quantum dots as a green corrosion inhibitor for brine heaters in multistage flash desalination systems

This study presents an eco-friendly and sustainable approach for the first time to synthesize N, S-CDs by electrochemical methods using peanut cake residue. Demonstrating their potential as a green corrosion inhibitor for brine heaters in multistage flash desalination systems. Comprehensive characterization using TEM, FTIR, XPS, AFM and SEM revealed the nanostructure and surface functionality of the materials. Electrochemical evaluation under simulated pickling conditions revealed inhibition efficiencies of 98.77 % (298 K), 98.26 % (308 K) and 97.22 % (318 K) at 100 mg/L N, S-CDs, respectively. Surface analysis confirmed the formation of a protective adsorption layer and XPS data verified the chemical bonding between N, S-CDs and the Cu-Ni alloys surface, which contributes to the stability and corrosion resistance of the material. Thermodynamic studies showed that the adsorption followed a Langmuir monolayer behavior, combining physisorption and chemisorption mechanisms.

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来源期刊

Sustainable Materials and Technologies Energy-Renewable Energy, Sustainability and the Environment

CiteScore

13.40

自引率

4.20%

发文量

158

审稿时长

45 days

期刊介绍： Sustainable Materials and Technologies (SM&T), an international, cross-disciplinary, fully open access journal published by Elsevier, focuses on original full-length research articles and reviews. It covers applied or fundamental science of nano-, micro-, meso-, and macro-scale aspects of materials and technologies for sustainable development. SM&T gives special attention to contributions that bridge the knowledge gap between materials and system designs.