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:
Sep. 26, 2023
Filed:
Apr. 04, 2018
Seoul National University R&db Foundation, Seoul, KR;
Industry Academic Cooperation Foundation, Hallym University, Gangwon-do, KR;
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
INDUSTRY ACADEMIC COOPERATION FOUNDATION, HALLYM UNIVERSITY, Gangwon-do, KR;
Abstract
A purification device is provided. The purification device includes: an injection channel having an inlet provided on one end thereof; a purification channel and a discharge channel which branch off from the other end of the injection channel via a mesh part, and the remaining substance to be purified is discharged through the discharge channel; an ion-selective membrane contacting at least one side of the mesh part; and a buffer part arranged on the other side of the ion-selective membrane which is in contact with the mesh part, wherein the mesh part has an ion-selective coating layer formed on the surface thereof, and when an electric field is applied, an ion concentration polarization phenomenon occurs to the other end of the injection channel and to the adjacent portion of the mesh part, whereby an ion depletion zone is formed.