US 12,434,205 B1
Porous self-cleaning photocatalytic membrane
Umair Baig, Dhahran (SA); and Abdul Waheed, Dhahran (SA)
Assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed by KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed on Jun. 20, 2025, as Appl. No. 19/243,757.
Application 19/243,757 is a continuation of application No. 18/084,085, filed on Dec. 19, 2022, granted, now 12,343,688.
Int. Cl. B01D 71/68 (2006.01); B01D 71/02 (2006.01); B01D 71/48 (2006.01); B82Y 30/00 (2011.01)
CPC B01D 71/68 (2013.01) [B01D 71/0211 (2022.08); B01D 71/481 (2022.08); B82Y 30/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A porous self-cleaning photocatalytic membrane, comprising:
a polysulfone/polyethylene terephthalate (PSf/PET) support; and
an active layer on an outer surface of the PSf/PET support,
wherein the active layer comprises reacted units of:
a diacyl chloride compound;
a tetra-amine compound; and
a nanocomposite comprising a mixture of graphitic carbon nitride in the form of nanosheets and having triazine and heptazine rings and polypyrrole,
wherein the membrane has pores with an average diameter of less than 1 nm.