This investigation reveals the possibility of effective photocatalytic purification of aqueous solutions of organic pollutants in an experimental unit with an automatically cleaned photocatalytic coating. The automatic cleaning process is realizing by friction of rotating cylindrical photocatalytic coating carriers against a replaceable brush module. Based on data on phase analysis and sorption activity, an optimal silicate carrier was selected for further formation of a continuous coating with high photocatalytic activity on its surface. The effect of its multiple applications (1–4) and temperature (500 °C and 700 °C) on the formation, phase composition, morphology and photocatalytic properties of the coating was studied. It is shown that the highest photocatalytic activity of the coating is achieved with a double application and annealing temperature of 500 °C. Phase analysis and electron microscopy data indicate that with the above synthesis parameters, a continuous coating consisting of a strontium bismuthate phase in strontium to bismuth ratio close to 1:5 is formed. In an experimental wastewater purification unit equipped with samples of the coating that had the highest photocatalytic activity, the efficiency of photo-oxidation of real organic pollutants of wastewater was assessed by bio-testing with Lemna minor as a biological object. Comparative assessment of the efficiency of toxic impact reduction was carried out for two types of organic pollutants: (1) single-stage oxidizing; (2) having photo-oxidation intermediates. For both types of organic pollutants, the effectiveness of the photocatalytic material in reducing the toxic impact on the biological site has been demonstrated.

这项研究揭示了在具有自动清洁的光催化涂层的实验装置中有效地光催化纯化有机污染物水溶液的可能性。通过旋转的圆柱形光催化涂料载体与可更换的电刷模块之间的摩擦来实现自动清洁过程。基于相分析和吸附活性的数据，选择了最佳的硅酸盐载体以进一步在其表面上形成具有高光催化活性的连续涂层。研究了其多种应用（1-4）和温度（500°C和700°C）对涂层的形成，相组成，形态和光催化性能的影响。结果表明，涂​​层的最高光催化活性是通过两次涂覆和500°C的退火温度实现的。相分析和电子显微镜数据表明，利用上述合成参数，形成了由锶铋铋盐比接近1：5的铋铋酸锶相组成的连续涂层。在配备了具有最高光催化活性的涂层样品的实验废水净化装置中，通过以次要Lemna为生物学对象进行生物测试，评估了废水中真实有机污染物的光氧化效率。对两种类型的有机污染物进行了减少毒性影响的效率的比较评估：（1）单级氧化；（2）具有光氧化中间体。对于两种类型的有机污染物，