Research on the Oxygenation Capacity and Energy Efficiency of Aeration Tank Impacted by Cellular Standpipe Filler
This experimental study focuses on the discussion of improving oxygenation capacity and reducing energy consumption by adding cellular standpoint filler into aeration tank. The first stage test on clean water aerating confirms that mass transfer efficiency of oxygen transfer in aeration process is significantly enhanced through adding cellular standpipe filler into the gas-water two-phase system; and that the smaller diameter in a certain range of the filter was more effective. The follow-up sewage treatment experiment in sequencing batch operation further demonstrates that the biological treatment efficiency is improved, the processing time is shortened and the smaller diameter in a certain range of filler is more significantly efficient, by adding the cellular standpipe filler packed into aeration tank. The results reveal that packing small-diameter of cellular standpipe filler into aeration tank is practical for increasing oxygenation capacity, thereby for improving mass transfer efficiency as well as for saving energy.
aeration tank oxygenation capacity cellular stand filler energy efficiency mass transfer
WANG Heli CHENG Li
School of Water Resources and Environment, China University of Geosciences, Beijing 100083, China School of Resource and Safety Engineering, China University of Mining and Technology, Beijing 100083
国际会议
2007环境科学与技术国际会议(The 2007 International Symposium on Environmental Science and Technology)
北京
英文
2007-11-13（万方平台首次上网日期，不代表论文的发表时间）