Patent · US Expired

Electrodeionization apparatus and method

US6824662B2 · kind B2 · utility

56Cited by

177References

33Claims

0Family size

Assignee

USFilter Corporation · US

Inventors

Li-Shiang Liang · Harvard, US
Anil D. Jha · San Francisco, US
John Arba · Bradford, US
Stephane Dupont · La Louvière, BE

Key dates

Filing date	Oct 27, 2003
Grant date	Nov 30, 2004
Priority date	—
Expiry date	Oct 27, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2209/06
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An electrodeionization apparatus and method for purifying a fluid. A fluid, such as water, can be purified by removing weakly ionizable species from the fluid. Weakly ionizable species may be dissociated at different pH levels to facilitate removal from the fluid in an electrodeionization device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.