In a previous study, we advanced an onsite source separation and synergistic treatment (O3ST) technology for household sewerage and showed its advantages in rural wastewater treatment. This study further put forward an assumption to extend the application of O3ST to the household food waste (FW) treatment, namely shredding FW, collecting it together with toilet wastewater (TW) and then treating them synergistically with source-separated washing wastewater. For the purpose of inspecting the technological feasibility, an experimental system was set up and run for 220 days. The results showed that the COD, total ammonia nitrogen, and TN removal efficiency was 93.8%, 92.5%, and 73.0% respectively, which proved the feasibility. The combined collection of TW and FW is conducive to the spontaneous realization of simultaneous nitrification and denitrification in the wastewater treatment process, and the simultaneous reaction efficiency was 71.1%. This study also obtained some useful information for the subsequent process optimization and engineering.

在先前的研究中，我们推进了家庭污水的现场源分离和协同处理（O3ST）技术，并展示了其在农村污水处理中的优势。这项研究进一步提出了一个假设，以将O3ST的应用扩展到家庭食物垃圾（FW）的处理中，即将垃圾粉碎，将其与厕所废水（TW）一起收集，然后与按源分离的洗涤废水进行协同处理。为了检查技术可行性，建立了一个实验系统并运行了220天。结果表明，COD，总氨氮和TN去除率分别为93.8％，92.5％和73.0％，证明了其可行性。TW和FW的合并收集有利于废水处理过程中自发同时硝化和反硝化，同时反应效率为71.1％。这项研究还为后续的工艺优化和工程设计提供了一些有用的信息。