Technology & product

CDI (Capacitive Deionization)

A capacitive deionization technology based on the principle that when electricity is applied to the electrodes, the oppositely charged ions pass through the ion membrane and move to the electrode surface for electric adsorption

Features

cdi 구조
  • Applicable to a wide range of TDSs
  • Operation under stable DC voltage with bipolar electrodes
  • High Recovery Rate < 95%
  • Desalination Rate < 95%
  • Operating Temperature < 40℃
  • Low energy consumption due to low pressure operation
  • Salt rate < 95% (remove ionic substances such as nitrogen, potassium, chlorine, hardness, magnesium, etc.)
  • Cost-effective pre-treatment process compared to other technologies
  • Electrical stability is ensured due to no electrodes exposed

Pre-Treatment Conditions

Parameter Unit Criteria
pH - 2 ~ 10
Turbidity NTU < 2
Pre-filter um < 10
TOC ppm < 10
Oil ppm < 0.5
Free Chlorine ppm < 0.1

Applications

  • Reuse Osmosis (RO) Concentration Water Reuse System Application
  • Removal of heavy metals in drinking water
  • Apply Pure/Super-Pure Systems
  • Improvement of Water Quality in the Village
  • Industrial water/discharge water reuse system
  • Replacement of a softener

CDI Types

Small Scale
Large Scale