1Citeau M, Larue O, Vorobiev E. Influence of salt, pH and polyelectrolyte on the pressure electro-dewatering of sewage sludge [J]. Water Research, 2011, 45(6): 2167-2180.
2Mahmoud A, Olivier J, Vaxelaire J, et al. Electro-de- watering of wastewater sludge: Influence of the operat- ing conditions and their interactions effects [J]. Water Research, 2011, 45(9): 2795-2810.
3Feng X, Deng J, Lei H, et al. Dewaterability of waste activated sludge with ultrasound conditioning [J ]. Bioresource Technology, 2009, 100(3): 1074-1081.
4Yuan H, Yan X, Yang C, et al. Enhancement of waste activated sludge dewaterability by electro-chemical pre- treatment [J]. Journal of Hazardous Materials, 2011, 187(1) : 82-88.
5Gao W. Freezing as a combined wastewater sludge pre-treatment and conditioning method [J]. Desalination, 2011, 268(1): 170-173.
6Zhu H, Zhang L, Wen X, et al. Feasibility of applying forward osmosis to the simultaneous thickening, diges- tion, and direct dewatering of waste activated sludge [J]. Bioresource Technology, 2012, 113: 207-213.
7Gray G T, McCutcheon J R, Elimelech Mo Internal concentration polarization in forward osmosis: Role of membrane orientation [J]. Desalination, 2006, 197 (1/ 2/3) :1-8.