High efficiency ion exchange system for removing...

Details High efficiency ion exchange system for removing... High efficiency ion exchange system for removing...

2005-04-12

2005-04-12

Cintins, Ivars C. (Department: 1724)

Liquid purification or separation

Processes

Ion exchange or selective sorption

C210S677000, C210S678000, C210S683000, C210S903000

Reexamination Certificate

active

06878286

ABSTRACT:
The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to another as is required in moving bed ion exchange water purification systems. The invention combines features of single fixed bed ion exchange systems with those of a moving bed system. The invention applies to the treatment of water having typical industrial and drinking water concentrations of various ions.

REFERENCES:
patent: 3366241 (1968-01-01), McMorris
patent: 3482697 (1969-12-01), Tremont et al.
patent: 3531401 (1970-09-01), Crits
patent: 4687582 (1987-08-01), Dixon
patent: 5026482 (1991-06-01), Sircar
patent: 5069779 (1991-12-01), Brown et al.
patent: 5182023 (1993-01-01), O'Connor
patent: 6066257 (2000-05-01), Venkatesh et al.
patent: 6537456 (2003-03-01), Mukhopadhyay
patent: 671 759 (1978-12-01), None
patent: WO 9006820 (1990-06-01), None

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