一种纳米催化剂在含肼废水处理中的应用
Application of a Nano-Catalyst in the Treatment of Hydrazine-Containing Wastewater
DOI: 10.12677/aep.2025.1512176, PDF,   
作者: 相李奎, 吴冬杰：东力(南通)化工有限公司研发中心，江苏 南通；李鹏鹏：洋口镇人民政府生态环境局，江苏 南通
关键词: 纳米复合材料；高碘酸钠；含肼废水；催化氧化；安全处理；Nanocomposite； Sodium Periodate； Hydrazine-Containing Wastewater； Catalytic Oxidation； Safe Treatment
摘要: 本文提出了一种高效处理甲基肼生产废水的新方法，采用高碘酸钠作为氧化剂，镍基金属纳米材料作为催化剂，对含肼废水进行氧化处理，最后用氢氧化钠溶液中和，实现含肼废水的完全分解及安全处理。通过系统实验，分析了影响氧化体系反应的各种因素，包括高碘酸钠添加比例、催化剂的选择、反应体系pH值和反应时间等。研究结果表明，该处理方法的最佳工艺条件为：以Ni40Ti60纳米复合材料为催化剂，高碘酸钠添加比例0.5 g/L，反应pH = 8.0，反应时间2 h。在此条件下，废水中肼的去除率可达98%以上，氨氮去除率也达到98%，处理后废水可直接进入生化处理系统进一步深度处理，出水水质满足《污水综合排放标准》要求。本研究为含肼废水的高效、经济处理提供了新的技术路径。
Abstract: A novel and efficient method for treating hydrazine-containing wastewater is proposed in this study. Sodium periodate was used as the oxidant and nickel-based metal nanomaterials as the catalyst for the oxidation treatment of hydrazine-containing wastewater, followed by neutralization with sodium hydroxide solution to achieve complete decomposition and safe disposal of the wastewater. Various factors affecting the oxidation system were systematically analyzed through experiments, including the addition ratio of sodium periodate, catalyst selection, reaction pH, and reaction time. The results showed that the optimal process conditions for this treatment method were: Ni40Ti60 nanocomposite as the catalyst, sodium periodate addition ratio of 0.5 g/L, reaction pH of 7.0, and reaction time of 2 hours. Under these conditions, the removal rate of hydrazine in the wastewater reached over 98%, and the ammonia nitrogen removal rate also achieved 98%. The treated wastewater could be directly sent to a biochemical treatment system for further advanced treatment, and the effluent quality met the requirements of the “Integrated Wastewater Discharge Standard”. This study provides a new technical route for the efficient and economical treatment of hydrazine-containing wastewater.
文章引用：相李奎, 李鹏鹏, 吴冬杰. 一种纳米催化剂在含肼废水处理中的应用[J]. 环境保护前沿, 2025, 15(12): 1631-1639. https://doi.org/10.12677/aep.2025.1512176

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