... 2,High water flux,Low energy consumption. 4, Long service life. BWT column hollow fiber membrane advantage1,PVDF material.high ... ,alkali resistant and strong oxidation resistance.3,Hollow fiber membrane noodle is fingered hole-anisomerous structure, high anti-pollution ... saving cleaning water. low operating cost. Column hollow fiber membrane specification MBF4BUBF4Pure water flux(25 °C 0.1MPa) 7000- ...