US 12,351,483 B1
Water harvester
Pavlo Kravchenko, Fremont, CA (US); and Ievgen Kapustin, Fremont, CA (US)
Assigned to Water Harvesting, Inc., Lakeview, CA (US)
Filed by Water Harvesting, Inc., Fremont, CA (US)
Filed on Nov. 1, 2024, as Appl. No. 18/934,454.
Int. Cl. C02F 1/28 (2023.01); B01J 20/10 (2006.01); B01J 20/16 (2006.01); B01J 20/18 (2006.01); B01J 20/28 (2006.01)
CPC C02F 1/281 (2013.01) [B01J 20/103 (2013.01); B01J 20/165 (2013.01); B01J 20/18 (2013.01); B01J 20/2803 (2013.01); B01J 2220/46 (2013.01); C02F 2201/002 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A water harvester, comprising:
a plurality of sorbent panels disposed in spatially fixed relation defining a fluid flow path between adjacent pairs of said sorbent panels;
wherein each of said sorbent panels includes a layer of a substantially solvent-free sorbent composition, an initial wet sorbent composition of which includes:
a sorbent of about 10 wt. % to about 60 wt. %, wherein said sorbent has a water uptake capacity of about 0.1 to about 2 grams of water per gram of sorbent;
a polymer binder of about 5 wt. % to about 30 wt. %;
a thickener of about 0.25 wt. % to about 5.0 wt. %; and
a solvent comprising the remaining wt. %, wherein said solvent dissolves or emulsifies said binder.