Ion ScaleBuster Water Conditioning - Geothermal Network - Case Study
In the early 80's, it was necessary to be visionary and provide a good dose of courage to imagine and develop a network of geothermal energy in France. And yet, Chevilly-Larue and Haÿ-les-Roses have bet on this adventure and is now a real success.
WATER SYSTEM CHALLENGES
With 20,000 households connected in three communities, SEMHACH is a concrete example of the performance of heating networks using renewable energy. If at the beginning, connections were mainly public buildings and social housing, private condominiums now increasingly seek SEMHACH. The site of L'Oreal Chevilly-Larue has been one of the first ones on the network since the mid-80’s. SEMHACH provides 100% of the maintenance of its primary network, which feeds about 350 heating sub stations. Because of the geology of the area, users of the hot water systems meet strong fouling problems. As part of a comprehensive quality control process and to provide better service, SEMHACH decided to charge customers for maintenance procedures of the secondary network closures as (ECS). A preliminary study which was carried out on a pilot residency using a thermal camera monitoring flows and temperatures highlighted a strong scaling on the network of warm water, and the differential temperature had been measured up to 10°C.