Abstract: The influences of pulse aeration on activated sludge degradation of simulated domestic sewage have been investigated. The results show that under pulse aeration condition,the total organic carbon removing rate is equiva-lent to the removing rate under continuous aeration condition,both are about 85%. The ammonia nitrogen removing rate is 4%-5% lower than the removing rate under continuous aeration condition. The total nitrogen removing rate is 3%-4% higher than the removing rate under continuous aeration condition. The output concentration from the disso-lved microbial products is about 2 mg/L lower than that under continuous aeration condition.

Key words: pulse aeration, activated sludge process, biotreatment, denitrification, domestic sewage

摘要： 研究了脉冲曝气方式对活性污泥降解模拟生活污水的影响。结果表明：脉冲曝气时，总有机碳去除率与连续曝气下的去除率相当，均在85%左右，氨氮去除率比连续曝气时的去除率低4%~5%，总氮去除率比连续曝气时的高3%~4%，溶解性微生物产物的产出浓度比连续曝气下的低2 mg/L左右。

关键词: 脉冲曝气, 活性污泥法, 生物处理, 脱氮, 生活污水

CLC Number: 

• TU992.3

• X703