Brewery wastewater was collected from Breweries Ltd., located in Gangneung city in Korea. The company produces large amounts (approximately 1500 m3/day) of wastewater. Wastewater in an aerobic tank was used for the experiment. Water quality characteristics of the brewery wastewater are summarized in Table 1. The ratio of biochemical oxygen demand (BOD) and COD ranged from 0.3 to 0.5 in the influent and aerobic tanks. The average pH was relatively low and was measured at 5.1 for the influent tank and 6.5 for the aerobic tank.