[Application of Micro-aerobic Hydrolysis Acidification in the Pretreatment of Petrochemical Wastewater].

Micro-aerobic hydrolysis acidification technology was applied in the reconstruction of ananaerobic hydrolysis acidification tank in a north petrochemical wastewater treatment plant. After put into operation, the monitoring results showed that the average removal rate of COD was 11.7% when influent COD was 490.