US Patent Issued to Saudi Arabian Oil, King Fahd University of Petroleum & Minerals on Feb. 17 for "Multi-stage air gap membrane distillation system and process" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,847, issued on Feb. 17, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia) and King Fahd University of Petroleum & Minerals (Dhahran, Saudi Arabia).

"Multi-stage air gap membrane distillation system and process" was invented by Dahiru Umar Lawal (Dhahran, Saudi Arabia), Turki Nabieh Baroud (Dhahran, Saudi Arabia) and Hasan Al Abdulgader (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for purifying a liquid is described. A liquid feed is fed to a feed chamber. A carrier gas is fed through the liquid feed in the feed chamber to form a humidified carrier gas. A coolant is fed to a coolant chamber. The coolant ch...