The study shows that the process biological contact oxidation between gravels canremove COD and chromaticity color from sauce wastewater effectively and realize sludgereduction.

• 本实验同步实现对酱油废水 COD 去除、色度去除和污泥减量化,首次尝试以砾石为填料的生物砾间接触氧化法处理酱油废水,为废水处理开辟了新的研究途径。