The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 22, 2022

Filed:

Nov. 12, 2020
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/36 (2006.01); B01D 5/00 (2006.01); C02F 1/04 (2006.01); C02F 103/08 (2006.01); C02F 103/10 (2006.01); C02F 103/16 (2006.01);
U.S. Cl.
CPC ...
B01D 3/36 (2013.01); B01D 5/006 (2013.01); B01D 5/0051 (2013.01); C02F 1/04 (2013.01); C02F 2103/08 (2013.01); C02F 2103/10 (2013.01); C02F 2103/16 (2013.01);
Abstract

A method of desalinating an aqueous composition includes forming a hetero-azeotrope mixture by combining the aqueous composition with an entrainer, the aqueous composition including at least one salt, and subjecting the hetero-azeotrope mixture to distillation at a distillation temperature of less than the boiling temperature of the aqueous composition for an operating distillation pressure, resulting in separating the hetero-azeotrope mixture into a distillation bottoms liquid and a multi-phase condensate. The method includes recovering the multi-phase condensate having an entrainer-rich phase and an aqueous phase, the aqueous phase comprising desalinated water, and removing a portion of the aqueous phase from the multi-phase condensate to recover the desalinated water. Systems for conducting the method of desalinating an aqueous stream are also disclosed.


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