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US 12,509,382 B2Granted
Controlling biofouling in water purification
AssigneeSaudi Arabian Oil Company
InventorNidal A. Samad
Life of this patent
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Abstract
A system and a method for water purification are provided. An exemplary system includes a multimedia filter, an ozone generator, an ozone contactor coupled to the ozone generator, and a ceramic membrane filter coupled to an air scouring system, wherein the air scouring system is coupled to the ozone generator. A storage tank is coupled to a purified water line from the ceramic membrane filter, wherein the storage tank is coupled to a backwashing line coupled to the multimedia filter.
Claims12
A system for purifying water, comprising:
- a pretreatment system comprising:
- a feed water line;
- a multimedia filter (MMF) receiving the feed water line;
- an ozone generator;
- an ozone contactor coupled to the ozone generator;
- a filtered water line extending from the MMF to the ozone contactor;
- a ceramic membrane filter coupled to an air scouring system, wherein the air scouring system is coupled to the ozone generator;
- a disinfected water line extending from the ozone contactor to the ceramic membrane filter;
- a sideline extending from the disinfected water line to the feed water line;
- a storage tank coupled to a purified water line from the ceramic membrane filter, wherein the storage tank is coupled to a backwashing line coupled to the multimedia filter;
- and
- a reverse osmosis system downstream of the pretreatment system.
9 more elements
Dependencies are inferred from the claim text.