公开(公告)号：US20190083940A1

公开(公告)日：2019-03-21

申请号：US16065991

申请日：2016-12-19

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Linglu YANG ,  Peng WANG ,  Su LU ,  Zhen LIU ,  Yun PENG ,  Lawrence C. COSTA

IPC: B01D69/10 ,  B01D67/00 ,  B01D69/06 ,  B01D71/68 ,  B01D69/02 ,  B01D63/10 ,  B01D69/12

Abstract: The disclosure of the present invention relates to a method for preparing membrane and associated membrane and filter element. The method comprises providing a porous substrate having a plurality of pores; and applying a pre-filler solution to at least partially occupy the pores in the porous substrate. The membrane comprises a porous substrate and a filter layer formed on the porous substrate. The filter element comprises a core tube; and a membrane as prepared and rolled around the core tube.