公开(公告)号：US11458439B2

公开(公告)日：2022-10-04

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