supported by the National Natural Science Foundation of China (No. 30700010);the Eleventh Five-Year Plan National Key Technology R&D Program of China (No. 2006BAD07A01);the National Gongyixing Hangye Kejizhuanxiang (No. 200803033);the Special Program for Water Pollution Control of Taihu Lake in Jiangsu Province (No. BK2007741)
To improve the efficiency of backwashing in upflow biological aerated filter (BAF), a novel backwashing process named air-water siphon backwashing (AWSB) was proposed and applied on laboratory scale. The effects o...