1
Anthony J Giuffrida, Anil D Jha, Gary C Ganzi: Electrodeionization apparatus. Millipore Corporation, Andrew T Karnakis, Paul J Cook, December 30, 1986: US04632745 (173 worldwide citation)

An electrodeionization apparatus and process are provided for removing ions from liquids. Liquid to be purified is passed through depleting compartments containing mixed anion and cation exchange resin beads while a second liquid is passed through concentrating compartments free of ion exchange resi ...


2
Gary C Ganzi, Frederick Wilkins, Anthony J Giuffrida, Christopher Griffin: Electrodeionization apparatus. IP Holding Company, Wolf Greenfield & Sacks, May 3, 1994: US05308466 (92 worldwide citation)

An electrodeionization apparatus is provided for removing ions from liquids. The apparatus is particularly well adapted for the removal of large, heavily hydrated, highly charged or weakly ionized molecules or complexes from feed water. Such removal is achieved by substituting, in at least one secti ...


3
Gary C Ganzi, Frederick Wilkins, Anthony J Giuffrida, Christopher Griffin: Electrodeionization apparatus. IP Holding Company, Wolf Greenfield & Sacks, May 31, 1994: US05316637 (91 worldwide citation)

An electrodeionization apparatus is provided for removing ions from liquids. The apparatus is particularly well-adapted for the removal of large, heavily hydrated, highly charged or weakly ionized molecules or complexes from feed water. Such removal is achieved by substituting, in at least one secti ...


4
Yoram Oren, Anthony Giuffrida, Stephen Ciaccio: Process for purifying water. Millipore Corporation, Andrew T Karnakis, Paul J Cook, October 13, 1992: US05154809 (82 worldwide citation)

A process is provided for removing ions from water which is passed through an ion depletion compartment of an electrodeionization apparatus. The electrodeionization apparatus contains an ion depletion compartment containing mixed ion exchange resin beads and an ion concentration compartment which ma ...


5
Anthony J Giuffrida, Anil D Jha, Gary C Ganzi: Electodeionization apparatus and method. Millipore Corporation, Andrew T Karnakis, Paul J Cook, May 15, 1990: US04925541 (80 worldwide citation)

An electrodeionization apparatus and process are provided for removing ions from liquids. Liquid to be purified is passed through depleting compartments containing mixed anion and cation exchange resin beads while a second liquid is passed through concentrating compartments free of ion exchange resi ...


6
Li Shiang Liang, Gary C Ganzi, Frederick Wilkins: Modules for electrodeionization apparatus. IP Holding Company, Wolf Greenfield & Sacks, March 8, 1994: US05292422 (78 worldwide citation)

A novel electrodeionization apparatus is disclosed. The apparatus includes a plurality of disk-shaped concentrating and diluting cell pairs which provide an apparatus which minimizes losses of ion exchange membrane efficiency due to membrane sealing to compartment spacers. In addition, a novel metho ...


7
Janet White: Electrodeionization and ultraviolet light treatment method for purifying water. Millipore Corporation, Andrew T Karnakis, Paul J Cook, May 26, 1992: US05116509 (75 worldwide citation)

A process is provided for removing organics and ions from liquid. Water to be purified is first exposed to ultraviolet(UV) radiation to oxidize organics in the liquid. The UV-treated water then is passed through an electrodeionization apparatus having an ion depletion compartment containing mixed an ...


8
Felice DiMascio, Anil Jha, Gary C Ganzi, Frederick Wilkins: Electrodeionization apparatus and method. United States Filter Corporation, Wolf Greenfield & Sacks P C, September 4, 2001: US06284124 (72 worldwide citation)

Electrodeionization apparatus and method. The electrodeionization apparatus includes an ion-depleting compartment in which alternating layers of an electroactive media are positioned. One of the alternating layers is doped to provide a more balanced current distribution through the apparatus. The me ...


9
Anthony J Giuffrida: Electrodeionization method and apparatus. Millipore Corporation, Andrew T Karnakis, Paul J Cook, June 5, 1990: US04931160 (71 worldwide citation)

An electrodeionization apparatus is provided for removing ions from liquids. Liquid to be purified is passed through at least two ion depletion compartments containing mixed anion and cation exchange resin beads in a given separation stage. A second liquid is passed through concentration compartment ...


10
Li Shiang Liang, Anil Jha, John Arba, Stephane Dupont: Electrodeionization apparatus and method. United States Filter Corporation, Wolf Greenfield & Sacks P C, November 18, 2003: US06649037 (70 worldwide citation)

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.