Enzyme extraction by ultrasound from sludge flocs
YU Guanghui, HE Pinjing, SHAO Liming, ZHU Yishu
State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze River Water Environment, College of Environmental Science
and Engineering, Tongji University, Shanghai 200092, China. E-mail: solidwaste@mail.tongji.edu.cn
Received 01 March 2008; revised 11 July 2008; accepted 28 July 2008
|