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:
Oct. 08, 2002
Filed:
Sep. 07, 2001
Lih-Ren Shiue, Chun-Lin Hsiang, TW;
Chia-Chann Shiue, Lungtan Shiang, TW;
S-Yen Wang, Taishan Shiang Taipei County, TW;
Fei-Chen Hsieh, Shi Chiu, TW;
Chin-Hui Lee, Tubei, TW;
Wan-Ting Lo, Hsinchu, TW;
Yu-His Hsieh, Pushin Shiang, TW;
Lih-Ren Shiue, Hsinchu, TW;
Abstract
A free-standing flow-through capacitor (FTC) is constructed by concentrically winding two electrodes and two dividers into a hollow-center roll. A liquid-feeding pipe is inserted to the central opening for delivering fluids to the FTC. Nanoparticles of hydrated iron compound with Fe O as the main component or its composite powders are used as the active materials for the electrodes. With channels crated by the dividers assembled in the roll, fluids injected from the feed pipe are confined inside the FTC, and flow outwardly and transversely through the entire length of the electrodes. Under an application of a low DC voltage to the electrodes, charged species are adsorbed and removed from the treated liquids as soon as they are in contact with the electrodes. Capacitive deionization using FTC of the present invention is applicable to waste-streams reduction, water purification and desalination at low costs and easy operation.