Patent ID: 9738543
Date: 2017-08-22
CPC Classifications: B01D,C02F,Y02A

Claim:
1. A device for producing a drinkable aqueous liquid from feed liquid comprising: a first fluid reservoir for receiving an aqueous feed liquid; a filter, in fluid communication with both the first fluid reservoir and a second fluid reservoir; wherein the filter is configured to size exclude undesired materials as the aqueous feed liquid passes from the first fluid reservoir to the second fluid reservoir, so that a sufficient amount of undesired materials are removed from the aqueous feed liquid to provide drinkable water to the second fluid reservoir by one pass of the aqueous feed liquid through the filter; and a photocatalyst, comprising 1) a titanium oxide and 2) copper, tin, or a combination thereof, disposed within the first fluid reservoir or the second fluid reservoir and contacting the water contained therein; wherein at least one of the first and second fluid reservoirs is substantially transparent to visible light.