Betaquimica

Betaquimica

Catalytic process

Catalytic process
Manganese dioxide

Removing iron and manganese from water reliably and safely is possible with Manganese Dioxide.

Elimination of iron and manganese by catalytic oxidation

With our natural granular manganese dioxide, without additives and free of contamination, it is possible to remove iron and manganese dissolved in the water by means of catalytic oxidation. This process has the following advantages:

1. It does not demand an ideal pH environment although there are optimum levels.

2. It transfers its activity to adjacent grains of sand.

3. It does not require regeneration with KMnO4.

Dióxido de Manganeso textura

How does manganese dioxide work?

In general, manganese dioxide is placed on a bed of sand. Due to its high density, greater than that of the filter sand, it penetrates inside the filters, being located, after approximately 3-4 washes, in a layer between 500-700 mm depth. This operation stratifies the bed into three different zones.
Dióxido de manganeso en la catálisis

The three-layer bed

→ A first layer of filter sand whose function is to retain the particles, where part of Fe is eliminated.

→

A second layer of manganese dioxide. The AQUA-MANDIX layer, free of particle contamination, remains active to perform the catalytic action and thus retain the Fe and Mn.

MnO2‐Inert‐MnO2 + Fe2+ ‐‐> MnO2‐Inert‐Mn2O3 + Fe3+‐O32+

MnO2‐Inert‐MnO2 + Mn2+ ‐‐> MnO2‐Inert‐Mn2O3 + Mn3+‐O32+

→ A third layer of sand that guarantees the final polishing of the effluent

The filter products that Betaquímica supplies to its customers are in accordance with the criteria set out in Royal Decree 902/2018 of July 20 on substances for the treatment of water destined *for human consumption following the tests described in UNE-EN standards.

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