Chemical-free water treatment

Wednesday, 17 August, 2005 | Supplied by:

The VRTX chemical-free water-treatment technology is based on colliding two rotating water streams at very high speeds and the resulting hydrodynamic cavitation causing intense, microscopic localised extremes of temperature and pressure. Chemical reactions are forced to proceed under these conditions.

It has been demonstrated to be an effective chemical-free alternative for the treatment of cooling, process - and waste-water.

It successfully eradicates bacteria, inhibits scale formation, gradually removes existing scale and biofilm deposits and controls corrosion in industrial water applications such as cooling towers, condensers and air-washers. Economic benefits to the end user include elimination of chemicals-costs, reductions in water, sewage and electricity charges and significantly lower maintenance and plant shutdown requirements. Non-economic benefits are improved OH&S conditions and an enhanced 'green' corporate image.

The technology can successfully reduce levels of contaminants, such as phosphorus, TCE, BOD, COD and heavy metals from wastewater sources. The deployment of VRTX for such applications generally needs to be reviewed on a case-by-case basis. As an example, field studies on phosphorus and hardness removal have shown that significant cost reductions could be achieved by replacing traditional reverse osmosis and chemical treatments with the VRTX technology.

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