Experimental study on biological types during the process of biofilm colonization of biological sand filtration sewage treatment technology
YUAN Jie1, JIN La-hua2, CAI Xiao-qiong2
1. Industrial Technology Research Institute, South China University of Technology, Guangzhou 510640, China; 2. Department of Environmental Engineering, Jinan University, Guangzhou 510632, China
In this experiment,the method of biofilm colonization on sand filtration(M01 and M02)sewage treatment was studied.It is showed the regular change of biofilm development under different conditions,the increment of bacteria number,the success of micro-animal kinds and population etc in the process.The rate of removal of CODcr、NH3-N is observed.The experimental result shows biofilms can be cultivated on the surface of the biological sand filtration,and bacteria played a key role in this process.Epistylis,Vorticella,Zoothamnium,Rataria,Nemato and other microorgnisms can also be found in the system.The degradation of COD and NH3-N on M01 can reach 90% and 70% respectively,The degradation of COD and NH3-N on M02 can reach 60% and 20% respectively.
袁杰1, 金腊华2, 蔡小琼2. 生物砂滤网工艺挂膜实验研究[J]. , 2007, 26(6): 531-535.
YUAN Jie1, JIN La-hua2, CAI Xiao-qiong2. Experimental study on biological types during the process of biofilm colonization of biological sand filtration sewage treatment technology. , 2007, 26(6): 531-535.
