1
John W Arba, Gary V Zoccolante, Jonathan H Wood, Gary C Ganzi: Water treatment system and process. United States Filter Corporation, Wolf Greenfield & Sacks P C, June 4, 2002: US06398965 (59 worldwide citation)

A water treatment system and process for removing weakly ionized and/or organic materials from the water by intra-system pH adjustment. An exemplary embodiment of the system includes an inlet through which a feedstream passes into a first chemical treating unit wherein the pH of the feedstream is ma ...


2
John W Arba, Li Shiang Liang, Joseph D Gifford, Devendra Atnoor, Jonathan H Wood: Electrodeionization device and methods of use. USFilter Corporation, December 12, 2006: US07147785 (27 worldwide citation)

The present invention generally relates to purification systems, and to sanitization and/or sealing of the purification system. The purification system includes an electrodeionization device which can comprise one or a plurality of stages. The electrodeionization device can be constructed with a res ...


3
Joseph D Gifford, John W Arba, Evgeniya Freydina, Anil D Jha, Li Shiang Liang, Lu Wang: Low scale potential water treatment. Evoqua Water Technologies, May 5, 2015: US09023185

An electrochemical treating device having low scale potential is disclosed. The device has a variety of configurations directed to the layering of the anionic exchange and cationic exchange. The treatment device can also comprise unevenly sized ion exchange resin beads and/or have at least one compa ...


4
Joseph D Gifford, John W Arba, Evgeniya Freydina, Anil Jha, Li Shiang Liang, Lu Wang: Low scale potential water treatment. March 7, 2017: US09586842

An electrochemical treating device having low scale potential is disclosed. The device has a variety of configurations directed to the layering of the anionic exchange and cationic exchange. The treatment device can also comprise unevenly sized ion exchange resin beads and/or have at least one compa ...


5
John W Arba, Paul Springthorpe, Li Shiang Liang: Electrodeionization device and methods of use. Wolf Greenfield & Sacks PC, Federal Reserve Plaza, October 10, 2002: US20020144954-A1

The purification system includes an electrodeionization device which can comprise one or a plurality of stages. The electrodeionization device can be constructed with a resilient sealing member forming a water-tight seal between rigid thermally and dimensionally stable compartment spacers. The const ...


6
Joseph D Gifford, John W Arba, Evgeniya Freydina, Anil D Jha, Li Shiang Liang, Lu Wang: Low scale potential water treatment. Siemens Water Technologies, Lowrie Lando & Anastasi, U0105, March 20, 2008: US20080067069-A1

An electrochemical treating device having low scale potential is disclosed. The device has a variety of configurations directed to the layering of the anionic exchange and cationic exchange. The treatment device can also comprise unevenly sized ion exchange resin beads and/or have at least one compa ...


7
John W Arba, Li Shiang Liang, Joseph D Gifford, Devendra Atnoor, Jonathan H Wood: Electrodeionization device and methods of use. United States Filter Corporation, Timothy J Oyer PhD, Wolf Greenfield & Sacks PC, January 27, 2005: US20050016932-A1

The present invention generally relates to purification systems, and to sanitization and/or sealing of the purification system. The purification system includes an electrodeionization device which can comprise one or a plurality of stages. The electrodeionization device can be constructed with a res ...


8
Joseph D Gifford, John W Arba: Low scale potential water treatment. Siemens Corporation, August 26, 2010: US20100213066-A1

An electrochemical treating device having low scale potential is disclosed. The device has a variety of configurations directed to the layering of the anionic exchange and cationic exchange. The treatment device can also comprise unevenly sized ion exchange resin beads and/or have at least one compa ...


9
Liang Li Shiang, Anil Jha, John W Arba: Electrodeionization appts. and method. United States Fliter, guo xiaodong, August 11, 2004: CN02811028

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. Th ...