June 2005
Volume 47 Number 6

An Introduction to SWEDI
by Avijit Dey   Pages: 

Electrodeionization (EDI) is a separation process combining electrodialysis and conventional ion exchange; the resulting hybrid process entails zero regenerant chemicals. One benefit of this technology includes the elimination of secondary hazardous waste associated with the chemical regeneration of ion exchange tanks...

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  SWEDI: A More Forgiving Electrodeionization Technology with Higher Feed Water Hardness Tolerance