US 11,713,259 B2
Containerized desalination system
Avraham Israel Amaral, Caesarea (IL); Ravid Levy, Caesarea (IL); and Phil Elovic, Caesarea (IL)
Assigned to FLUENCE WATER ISRAEL, LTD., Caesarea (IL)
Filed by Fluence Water Israel Ltd., Caesarea (IL)
Filed on Nov. 16, 2020, as Appl. No. 17/99,771.
Application 17/099,771 is a division of application No. 15/772,808, granted, now 10,836,656, previously published as PCT/US2017/051842, filed on Sep. 15, 2017.
Claims priority of provisional application 62/395,317, filed on Sep. 15, 2016.
Prior Publication US 2021/0214244 A1, Jul. 15, 2021
Int. Cl. C02F 1/44 (2023.01); B01D 65/02 (2006.01); B01D 61/02 (2006.01); B01D 61/58 (2006.01); B01D 29/52 (2006.01); B01D 29/66 (2006.01); B01D 61/14 (2006.01); B01D 61/16 (2006.01); C02F 1/00 (2023.01); B01D 61/18 (2006.01); B01D 61/08 (2006.01); C02F 103/08 (2006.01)
CPC C02F 1/444 (2013.01) [B01D 29/52 (2013.01); B01D 29/66 (2013.01); B01D 61/025 (2013.01); B01D 61/145 (2013.01); B01D 61/16 (2013.01); B01D 61/58 (2013.01); B01D 65/02 (2013.01); C02F 1/004 (2013.01); C02F 1/441 (2013.01); B01D 61/08 (2013.01); B01D 61/18 (2013.01); B01D 2201/202 (2013.01); B01D 2311/2649 (2013.01); B01D 2313/20 (2013.01); B01D 2313/246 (2013.01); B01D 2313/54 (2013.01); B01D 2317/025 (2013.01); B01D 2317/04 (2013.01); B01D 2317/06 (2013.01); B01D 2321/04 (2013.01); B01D 2321/12 (2013.01); B01D 2321/14 (2013.01); B01D 2321/16 (2013.01); B01D 2321/20 (2013.01); C02F 2103/08 (2013.01); C02F 2303/16 (2013.01); Y02A 20/131 (2018.01)] 15 Claims
OG exemplary drawing
 
1. A method comprising:
passing water through a reverse osmosis process;
backwashing a first set of ultrafiltration membranes or a second set of ultrafiltration membranes with brine generated by the reverse osmosis process; and
backwashing at least one of the first set of ultrafiltration membranes or the second set of ultrafiltration membranes with one or more chemicals and reverse osmosis permeate,
wherein the brine generated from the reverse osmosis process is directly communicated, through an energy recovery device, to a backwash inlet of a backwashing system of the first set of ultrafiltration membranes.