MAJie-ting,LIUXin-ya,MALu-ming,et al.Operating Conditions of Ozonation Process Catalyzed by Iron-based Catalyst Packing[J].China Water & Wastewater,2022,38(5):32-39.
铁基催化剂整砌填料催化臭氧的运行工况研究
- Title:
- Operating Conditions of Ozonation Process Catalyzed by Iron-based Catalyst Packing
- 摘要:
- 臭氧氧化; 铁基催化剂; 废水深度处理
- Abstract:
- Performance of iron?based catalyst packing with “micro?channel” structure for advanced oxidation of wastewater was investigated, and the effects of gas?liquid reverse flow and bubble size of gas distributor on ozone decomposition rate were quantitatively analyzed. The resistance coefficient and flooding point of the iron?based catalyst packing were calculated through pilot tests. Statistical analysis and regression of 70 “individual cases” was completed with the aid of professional software in the experiment, and the functional relationship between operational parameters (ozone equivalent, hydraulic retention time and influent quality) and COD removal efficiency was obtained. The results proved that the effluent quality of the process could stably meet the class Ⅳ criteria specified in Environmental Quality Standards for Surface Water (GB 3838-2002).
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