Supported by the National High-tech Research and Develop Program of China("863"Program)(2009AA064704);the National Natural Science Foundation of China(51038003);the Program for New Century Excellent Talents in University by the State Education Ministry(NCET-08-161)~~
[Objective] To explore the optimal extraction conditions of extracellular polymeric substances (EPS) from activated sludge. [Method] The efficiency of five methods (H2SO4, formaldehyde-NaOH, mixing, heating and NaO...
The Project of Scientific Research Base and Scientific Innovation Platform of Beijing Municipal Education Commission (No.PXM2008-014204-050843);the Project of Beijing Science and Technology Committee (No.D07050601500000);the Knowledge Innovation Program of the Chinese Academy of Sciences (No.RCEES-QN-200706);the Special Funds for Young Scholars of RCEES,CAS.
Two biological nitrogen removal processes are compared in the aspect of nitrogen removal, process operation and energy saving. Results show that when the returned sludge ratio is 50% of the inflow rate, the step-feedi...