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Demineralisation

Demineralised water, also known as deionised water, is water that has been purified by removing the dissolved minerals and salts such as sodium and chloride. This can be achieved by using ion exchange resins to exchange dissolved charged impurities, for hydrogen and hydroxyl ions, or reverse osmosis membranes that retain the salts and prevent them passing through into the demineralised water. In high purity applications several stages of demineralisation can be used to obtain the required quality. Companies involved in steam raising applications, utilities and manufacturing industries, have come to rely on Ovivo for convenient, cost effective demineralisation solutions.

Demineralisation can be achieved by a variety of methods and Ovivo provide the following technologies: 

Further Details

Demineralised water is required in a huge range of applications from power generation, petrochemicals, steel/aluminium manufacture, food and beverage, electronics, pharmaceuticals, metal finishing and paper manufacture. 

Each of these industries has a specific requirement ranging from softened water (Calcium and Magnesium removed) in the beverage industry to high purity demineralised water where only a few parts per trillion of dissolved ions are permissible in the semiconductor industry.

The required equipment also varies considerably with a simple softener plant requiring one process step and a custom engineered plant containing multiple processes. In addition to the treated water requirements different industries have varying levels of engineering specifications that need to be complied with and Ovivo have experience of working to some of the tightest specifications and customer requirements in the world.