- Applicable in separation, purification and decontamination procedures
- Permeates water through bead-liked spherical resin constituents
- Ions in water (contaminants) are being replaced by other ions fixed to the beads (hydrogen an hydroxide ions)
- Regeneration of beads can be done and beads can be reused
- Cation exchange resin is regenerated using either hydrochloric or sulfuric acid
- Anion resin will be regenerated with sodium hydroxide