Product Lines|Bellex International Corporation



Product introduction

Electrodeionization (EDI) is a continuous process that uses an electric field to produce ultrapure water.


EDI systems consist of ion exchange resins sandwiched between ion exchange membranes. An electric field continually regenerates the ion exchange resins, eliminating the need for regeneration chemicals.
EDI can produce 10–18MΩcm ultrapure water from feed water treated by reverse osmosis (RO).


  • Simple system for easy maintenance
  • No resins in concentrate cells: less scaling
  • No concentrate recirculation: no need for circulation pumps and tanks
  • Compact and lightweight: no special equipment needed for handling
  • All connections are on one side for easy installation
  • Patented ion exchange membranes provide high water quality and high performance
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