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Fluid Dynamics has launched Magcat for treating difficult scales such as those from water containing high levels of sulphate, silica or phosphate and where oil contamination is present.

Magcat uses powerful magnets encased in pole heads that are manufactured out of the same metal used for the catalytic core of the Fluid Dynamics Colloid-A-Tron.

The calcium carbonate particles that are formed when hard water is heated remain in suspension after this magnetic treatment instead of precipitating as scale on pipework and heat transfer surfaces.

It also gradually removes existing scale.

Alier Paper, a Spanish paper mill, was adding three tonnes of carbon dioxide a day to their water system to prevent scaling of its vacuum pumps but with limited success.

In January 2010 the company installed a 150mm diameter Magcat in the feed line to the vacuum pumps.

The chief engineer reduced the carbon dioxide injection slowly over a three-month period and the vacuum pumps now operate with no treatment other than the Magcat.

The savings in carbon dioxide are said to have paid back the capital cost of the Magcat in just five months.

According to Fluid Dynamics, the Magcat uses no power, has no consumable parts, requires no maintenance and is simple to install.

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