Articles & Case Studies

Water Filtration Specialists keep Stonehenge a Hot Attraction

Posted: Wednesday 27th August 2014

Water filtration engineering firm Industrial Purification Systems (IPS) has installed water filtration technology as part of an energy efficient ground source heat pump installation at the new National Trust visitor centre at Stonehenge. Is anticipated that the savings made on energy use will show a return of investment in under 12 months.

Following IPS's successful borehole water filtration projects at the Royal Festival Hall and Tate Modern, IPS was contacted to specify suitable technology which would protect the ground source heat pump system installed by GI Energy.

IPS director, Andy Evans, said: “In this particular instance process water was being drawn from a borehole and filtered before passing through heat exchangers where the latent energy was recovered to heat the new visitor centre. An all-hydraulic unit was preferred by the client to minimise the installation cost as this negated the requirement of an external energy source to operate the filter. We advised on a filtration grade of 100 micron provided by an AMIAD M100-1500 series filter to offer optimum protection of the heat exchangers. In addition, by keeping the heat exchange surface clean heat transfer performance was maximised. The system was duty standby with each filter serving a dedicated heat exchanger.”

During the project GI Energy utilised IPS lab facilities at its new Filtration Technology Centre in South Wales to establish suspended solids loading and contaminant size in the borehole water supply.

“This has been a special project for us,” said Andy; “being able to go some way to help protect our natural resources whilst giving future generations the opportunity to experience this ancient monument has a certain serendipity surrounding it.

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