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.
Patent No.:
Date of Patent:
Aug. 24, 2021
Filed:
Mar. 31, 2015
Applicant:
Nanyang Technological University, Singapore, SG;
Inventors:
Assignee:
NANYANG TECHNOLOGICAL UNIVERSITY, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/02 (2006.01); B01D 61/08 (2006.01); C02F 1/44 (2006.01); B01D 61/12 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
B01D 61/022 (2013.01); B01D 61/08 (2013.01); B01D 61/12 (2013.01); C02F 1/441 (2013.01); B01D 2317/022 (2013.01); B01D 2317/025 (2013.01); B01D 2317/04 (2013.01); C02F 2103/08 (2013.01); Y02A 20/131 (2018.01);
Abstract
An apparatus for reverse osmosis, the apparatus comprising: a single-stage reverse osmosis (SSRO) unit; and a counter-current membrane cascade with recycle (CMCR) unit comprising a plurality of stages of reverse osmosis including at least a first stage and a second stage wherein permeate from the first stage is configured to be introduced as feed to the second stage; wherein retenate from the SSRO unit is configured to be introduced as feed to the first stage, and wherein product obtained using the apparatus comprises permeate from the SSRO unit and permeate from a last stage of the CMCR unit.