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:
Jan. 17, 2023
Filed:
May. 12, 2021
Applicant:
Doosan Enerbility Co., Ltd, Changwon, KR;
Inventor:
Yong Hae Park, Busan, KR;
Assignee:
DOOSAN ENERBILITY CO., LTD., Changwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/14 (2006.01); B01D 61/16 (2006.01); B01D 65/02 (2006.01); C02F 1/44 (2006.01); C02F 9/00 (2006.01); C02F 1/30 (2006.01); C02F 1/52 (2006.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); B01D 61/145 (2013.01); B01D 61/16 (2013.01); B01D 65/02 (2013.01); B01D 2311/04 (2013.01); B01D 2311/06 (2013.01); B01D 2311/2603 (2013.01); B01D 2311/2642 (2013.01); B01D 2311/2692 (2013.01); B01D 2321/04 (2013.01); B01D 2321/10 (2013.01); B01D 2321/12 (2013.01); C02F 1/30 (2013.01); C02F 1/444 (2013.01); C02F 1/5245 (2013.01); C02F 2303/04 (2013.01); C02F 2303/16 (2013.01); C02F 2303/20 (2013.01); C02F 2305/023 (2013.01);
Abstract
A membrane separation pretreatment apparatus including a membrane separation unit and a first underwater plasma discharge unit disposed in front of the membrane separation unit is provided. The membrane separation pretreatment apparatus includes a membrane separation unit configured to remove particulate matter contained in raw water, and a first underwater plasma discharge unit disposed in front of the membrane separation unit and configured to cause a portion of the raw water to be introduced into the membrane separation unit to perform underwater plasma discharging.