| 摘要 |
The present invention relates to a multilayer PTFE hollow fiber membrane having hydrophilicity and a manufacturing method thereof, more specifically to a multilayer PTFE hollow fiber membrane having high removal efficiency of contaminant particles through a fine pore control, and having improved backwashing efficiency, porosity, water permeability, elimination rate, and filtering efficiency by using an external activated layer with finely controlled pores as a filter layer. |
