US 12,065,368 B2
Method and diffusiophoretic water filter with chemical contaminant removal capability
William C. Gehris, New Paltz, NY (US)
Assigned to Split Rock Filter Systems LLC, New Paltz, NY (US)
Filed by Split Rock Filter Systems LLC, New Paltz, NY (US)
Filed on Jan. 30, 2019, as Appl. No. 16/262,633.
Claims priority of provisional application 62/788,106, filed on Jan. 3, 2019.
Prior Publication US 2020/0216345 A1, Jul. 9, 2020
Int. Cl. C02F 9/00 (2023.01); C02F 1/00 (2023.01); C02F 1/28 (2023.01); C02F 1/52 (2023.01); C02F 1/68 (2023.01); C02F 101/30 (2006.01)
CPC C02F 9/00 (2013.01) [C02F 1/001 (2013.01); C02F 1/283 (2013.01); C02F 1/5245 (2013.01); C02F 1/68 (2013.01); C02F 2101/301 (2013.01); C02F 2303/04 (2013.01); C02F 2305/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A diffusiophoretic water filtration system comprising: a diffusiophoretic water filter; and a particle disperser upstream of the diffusiophoretic water filter; wherein the diffusiophoretic water filtration system is configured to use nanoparticles having positive zeta potential in water to attract and adsorb contaminants to remove organic chemicals or other contaminants.