US 12,030,034 B1
Multi-layered sorbent structure and a method for enhancing oil uptake performance thereof
Junaid Saleem, Doha (QA); Sk Safdar Hossain, Al-Ahsa (SA); Zubair Khalid Baig Moghal, Doha (QA); and Gordon McKay, Doha (QA)
Assigned to KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed by KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed on Aug. 24, 2023, as Appl. No. 18/237,504.
Int. Cl. B01J 20/26 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); C02F 1/28 (2023.01); C02F 101/32 (2006.01)
CPC B01J 20/261 (2013.01) [B01J 20/28035 (2013.01); B01J 20/3064 (2013.01); C02F 1/288 (2013.01); C02F 2101/32 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A multi-layered oil sorbent, comprising:
two superposed polyolefin thin films, each of the two superposed polyolefin thin films including a plurality of pores defined therethrough and a plurality of swellable cavities extending from a surface thereof; and
a polypropylene (PP) fibrous thin sheet sandwiched between the two superposed polyolefin thin films, wherein
the two superposed polyolefin thin films and the PP fibrous thin sheet are sealed together in a zigzag shape;
wherein the pores have a size ranging from about 500 nm to about 10 μm.