Research on hydrolytic-acidification and aerobic treatment of wastewater produced by optics

The research on the treatment of the wastewater produced by optics shows that it is effective to treat wastewater produced by optic by hydrolytic-acidification aerobic process.When inlet COD_Cr concentration of optics wastewater varied from 530～900mg/L,outlet COD_Cr concentration of hy drolytic-acidification and aerobic process was 148～376mg/L and 45～115mg/L respectively.The gross ratio of COD_Cr removal was higher than 86.2% and was better than single aerobic process.