2010全国生物材料大会论文集之 (1296).pdf

The Optimization Parameters and Performance of
Biological Aerated Filter with Sludge-glass Ceramic
Particles as Biofilter for Dairy Wastewater Treatment
Dong Yan1, Lou Yan1, Zhao Ji-hong1,2*, Liu Yong-de1
1. School of Chemistry and Chemical Engineering, Henan University of Technology
2. Zhengzhou University of Light Industry
Zhengzhou, Henan, P. R. China.
e-mail: ******@haut.


Abstract: Sludge-glass ceramic particles were used as filter media However, the sludge-glass devised in this study hasn’t been
for single biological aerated filter (BAF) to treat dairy exploited as bio-filter. With further development of economy
wastewater in this study. Seed sludge was inoculated from in China, a lot more new wastewater treatment plants are being
Zhengzhou Wulongkou wastewater treatment plant. When built and a large amount of residual sludge has been produced.
bio-film was promoted and the effluent contamination removal How to dispose of and utilize the solid waste in a reasonable
rates above 40% after one week’s operation, started to optimize way should be taken seriously. Meanwhile, a great deal of glass
the operation parameters such as pH, hydraulic retention time
+ has been produced in daily life and is difficult to degrade due
(HRT) and influent load, taking COD, NH4 -N,TN as well as TP to its stable state of character and, which must