Abstract

Samples of a carbon–mineral catalyst based on natural clay and tire crumb for the oxidative decomposition of nonionic surfactants (NSes) with hydrogen peroxide in wastewater have been developed and studied. The iron content in the samples has been varied in a range of 2.3–3.9 wt %. The effect of the pyrolysis temperature varied for the samples in a range of 350–800°C on changes in their textural characteristics, the number and type of acid sites on the surface, and the ζ-potential (zeta potential) of colloidal systems based on the synthesized samples has been studied. Using model solutions under steady-state and dynamic conditions, the effect of the pyrolysis temperature used for the samples on their catalytic properties in the oxidative decomposition of H₂O₂ and the neonol AF 9-10 NS with hydrogen peroxide has been studied. The best result in the oxidation of neonol AF 9-10 with hydrogen peroxide has been obtained in the presence of a carbon–mineral catalyst sample calcined at 650°C.

中文翻译：

---

基于天然粘土和轮胎碎屑的碳矿物催化剂的开发和研究，用于废水中过氧化氢氧化分解非离子表面活性剂

摘要

已经开发和研究了基于天然粘土和轮胎碎屑的碳矿物催化剂样品，用于废水中过氧化氢氧化分解非离子表面活性剂（NSes）。样品中的铁含量变化范围为 2.3–3.9 wt%。样品的热解温度在 350–800°C 范围内变化，对其结构特征、表面酸位点的数量和类型以及基于胶体系统的 zeta 电位的变化产生影响。对合成样品进行了研究。使用稳态和动态条件下的模型解，研究了样品的热解温度对其在H 2 O 2 氧化分解中的催化_性能的_影响并研究了Neonol AF 9-10 NS与过氧化氢的反应。在 650°C 下煅烧的碳矿物催化剂样品的存在下，用过氧化氢氧化霓虹灯 AF 9-10 获得了最佳结果。