Ecosoft Ecolite Demin equilibrated mixed bed ion exchange resin 25 L

Product information

Ecosoft Ecolite Demin equilibrated mixed bed ion exchange resin is a high-capacity, homogeneous gel-type resin consisting of a strong acid cation and a strong base anion component in H⁺/OH⁻ form. Designed for direct water purification, it ensures the production of demineralized water with conductivity below 0.1 µS/cm.

Ecolite Demin is ideal for portable systems used in window and solar panel cleaning, laboratory equipment, and autoclaves, as well as for hot-water boilers with aluminum alloy heat exchangers. The resin also provides final polishing of water after reverse osmosis, guaranteeing high-purity results for industrial and laboratory applications.

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Technical information

Parameter
Specification
Volume
25 L
Weight
18 ± 0.5 kg
Type
Strong acid cation / strong base anion Type I
Polymer matrix structure
Polystyrene crosslinked with DVB
Matrix
Gel
Ionic form (as shipped)
H⁺ / OH⁻
Volume ratio (cation/anion)
40% / 60%
Total exchange capacity (cation, Na⁺/H⁺ form)
2.0 / 1.9 eq/L min
Total exchange capacity (anion, Cl⁻/OH⁻ form)
1.3 / 1.0 eq/L min
U.S. standard screen (wet)
16–50 mesh
Particle size range
0.3–1.2 mm ≥ 95%
Water retention (H⁺/OH⁻ form)
50–55% / 60–65%
Shipping weight (approx.)
700–740 g/L
Operating temperature (max.)
100 °C
Service flow rate
20–60 BV/h
Minimum bed depth
0.7 m

Parameter
Specification
TDS (Total dissolved solids)
≤100 mg/L
Iron
≤0.01 mg/L
Manganese
≤0.01 mg/L
Oxidisability (COD)
≤1 mg O₂/L
Sediment prefilter rating
20 µm
Chlorine
≤0.5 mg/L

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FAQ

  • Ecolite Demin is an equilibrated mixed bed ion exchange resin designed for deep demineralization and polishing of water to produce high-purity or ultrapure water.

  • No. Ecolite Demin is supplied as a ready-to-use equilibrated mixed bed designed for single-use or limited-cycle operation. Regeneration is possible only in industrial systems equipped with separate resin separation units.

  • Yes. This is one of its main applications: final polishing of RO permeate to achieve ultrapure water quality.

  • No. Ecolite Demin is intended for technical and industrial water treatment processes, not for direct use in drinking water systems.

  • You can estimate it using the formula:

    Volume Capacity (m³) = Ecolite Demin volume (L) × [20 ÷ Conductivity (µS/cm)].

     

    For example, if reverse osmosis water with 16 µS/cm conductivity is polished using 100 L of Ecolite Demin, the treated water volume before replacement will be 125 m³.