D.I. Water and Automatic Deionizers
TWO COLUMN
This style of deionizer consists of two media tanks in series. The first tank contains cation resins in the Hydrogen (H) form and the second tank contains anion resin in the Hydroxyl (OH) form.
Typical treated water quality is in the range of 50,000-250,000ohm resistivity depending on feed water chemistry and 1,000,000 to 2,500,000 ohm resistivity with R.O. water as feed. These units are designed to regenerate with chemicals DIRECTLY FROM THEIR SHIPPING CONTAINERS-NO HANDLING REQUIRED. Chemicals used are 30% Hydrochloric (HCI) acid and 50% liquid Sodium Hydroxide (NaOH).
Systems are fully automatic with regeneration initiated by a field adjustable resistivity meter. A manual override is included to allow an operator to finish a "run" without interruption. All systems fully assembled
and wet tested prior to shipment.
MIXED BED SINGLE TANK
This style of deionizer consists of both the cation and anion resin mixed within the same tank for the ultimate in reduction of dissolved solids. Treated water quality is from 10,000,000 to 18,000,000 ohm resistance. Resins are separated during regeneration wit HCI and NaOH and then re-mixed with air for service ( a source of compressed air delivering 6.5 scfm/sq. ft. tank area is required). A softener is required to pre-treat the anion regeneration water.
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