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Maior demineralizers and deionizers


The MAIOR Demineralization system manufacture has started since the 1966, lots of units has been sold all over the world during the last over than 40 years, installed directly by Elettracqua or through other resellers companies, time passing the MAIOR is still produced with new features as PLC fully automation system, new valves and components, new painting materials, new options for chemical reagent loads, new neutralization systems, contact us for more information.
For demineralization and deionization we mean the elimination of dissociated salts from water by means of strong and weak cationic (H+) and anionic (OH-) ion Exchange resins.
Our ion exchange MAIOR demineralizers series have three steel columns internally lined with anticorrosive painting. The third column is provided of sight glass to see the resins inside the column and their behaviour during the regeneration steps.
The above mentioned columns, equipped with selected strong synthetic polystyrene-base resins, produce demineralized water with a high purity degree.





Raw water flowing through the first two columns, equipped respectively with cationic resin in H+ cycle and anionic resin in OH- cycle, is deprived almost totally of its salts and it flows out with a purity corresponding to a conductivity from 10 to 2,5 uS/cm. Water flowing afterwards through the third column containing cationic and anionic resins, mixed together, attains very high purity values – A conductivity lower than 0,2 uS/cm or a resistivity higher than 5 Mohms/cm
Technical Features.
MAIOR series demineralizer has been designed to reduce dimensions to a minimum.
All the installation, supported by a metal frame work, protected by an epoxidic painting, is assembled in a single rational unit, accurately refinished and covered with PVC plates.
Its smartness and adaptability allow it to be placed in any room.
The tanks for diluted reactive substances are embodies in the demineralizer upper part, allowing contemporary of descent by gravity of regenerating substances with free flow, without electro-pumps requirements.
Special devices allow hydrochloridric acid (HCl) and caustic soda (NaOH) supply and dilution without dangerous handlings.

The MAIOR functional sequences are managed automatically by a PLC.
Regeneration is managed in automatic mode by pneumatic valves actuated by the PLC. The chemical loading to the dilution tanks on the upper part of the MAIOR, as option, can be automatically managed by the system.
Conductivity/resistivity probes and analyzer allows to control the produced demineralizer water quality in order to meet the required limits, even with remote control and alarm.


The wide range of deionizers and demineralizers with syntetic resins with two, three columns and single column with mixed beds, automatic, and manual, allows us to meet with customers’ requirements of any kind.
The MAIOR demineralization system are designed and manufactured for chemical, electronics, storage battery, electrophoresis installation and everywhere the demineralization water is required.


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