2019/3/15/ · The mixed wastewater in the regulating reservoir was pumped to the EGSB (35 m 3 /h) bioreactor and the aerobic activated sludge (AS) bioreactor (40 m 3 /h) for treatment. The excess wastewater in the EGSB (210 m 3 /h) flowed into the aerobic AS bioreactor (35 m 3 /h) directly or returned to the EGSB (175 m 3 /h) bioreactor for