US 12,390,790 B2
Magnetic nanoparticle-coated porous materials for recovery of contaminants
Stephanie M. Ribet, Kensington, CA (US); Vikas Nandwana, Evanston, IL (US); and Vinayak P. Dravid, Glenview, IL (US)
Assigned to Northwestern University, Evanston, IL (US)
Appl. No. 17/800,281
Filed by Northwestern University, Evanston, IL (US)
PCT Filed Feb. 24, 2021, PCT No. PCT/US2021/019324
§ 371(c)(1), (2) Date Aug. 17, 2022,
PCT Pub. No. WO2021/173608, PCT Pub. Date Sep. 2, 2021.
Claims priority of provisional application 62/980,509, filed on Feb. 24, 2020.
Prior Publication US 2023/0084588 A1, Mar. 16, 2023
Int. Cl. B01J 20/28 (2006.01); B01J 20/32 (2006.01); B01J 20/34 (2006.01); C02F 1/28 (2023.01); C02F 1/66 (2023.01); C02F 101/10 (2006.01); C02F 101/16 (2006.01)
CPC B01J 20/28009 (2013.01) [B01J 20/28083 (2013.01); B01J 20/28085 (2013.01); B01J 20/3212 (2013.01); B01J 20/3236 (2013.01); B01J 20/3295 (2013.01); B01J 20/3475 (2013.01); C02F 1/288 (2013.01); C02F 1/66 (2013.01); C02F 2101/105 (2013.01); C02F 2101/163 (2013.01); C02F 2303/16 (2013.01); C02F 2305/08 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A magnetic nanoparticle-coated porous material for recovering a contaminant from contaminated water, the coated porous material comprising a porous substrate having a solid matrix defining a plurality of pores distributed through the solid matrix and further comprising a coating comprising magnetic nanoparticles on surfaces of the solid matrix, wherein the coating is characterized by an average thickness corresponding to an average diameter of the magnetic nanoparticles.