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...