The deflocculated sludge reduced the effective filtration area, which resulted from the deposition of colloidal particles and soluble matter that deposited on the membrane pores.
解体污泥由于胶体颗粒和可溶性物质沉积在膜面堵塞膜孔，使过滤的有效面积减小；
2
When this membrane has been applied to the filtration process, because of the electrical effects, it can rejects the charged colloidal particles.