Industrial Water Treatment

Softening, Demineralization, Mixed bed polishing

Mixed-Bed Polishing

In water demineralisation plants, a polishing mixed bed can be used following first step of ion exchange resins or reverse osmosis membranes primary unit to get higher quality.

Generally, the mixed bed consists of strong acid cationic and strong basic anionic resins, they can be gel or macroporous type. They are normally regenerated in the same column they are operated. In some cases, external regeneration is done for easier and safer operations.

Mixed beds could also be used as working mixed beds when the inlet water is clean enough to allow a long cycle length, for a low demand or simple systems.

Ready-to-use mixed-beds for water demineralization

Trademark
Type
Description
Volume ratio
SAC/SBA
Applications
TREVERLITE MB090
Mixed bed
Single use
50/50
Volumic ratio for very low conductivity in EDM machine
TREVERLITE MB100
Mixed bed
Regenerable
50/50
Volumic ratio for very low conductivity and high cationic capacity
TREVERLITE MB200
Mixed bed
Regenerable
40/60
Demineralization units
TREVERLITE MB200/Blue
Mixed bed
Regenerable with color indicator
40/60
Demineralization units
TREVERLITE MB300
Mixed bed
Regenerable
33-67
High purity and operating capacity, low silica leakage