At Grundfos, we focus constantly on sustainability in how we manufacture our products and their subsequent use. As in any other industrial production, Grundfos uses large amounts of water in our factories and buildings where our pumps are produced. Producing water of the right quality is associated with a greater or lesser amount of water waste and energy consumption. Since water treatment is a central part of many industrial processes, there is untapped potential in improving water utilisation and reducing energy consumption, benefitting the environment and factory operations. Therefore, reducing water waste in treatment processes in our factories and buildings is significant for tapping into this potential, as is reducing the energy consumption of the pumps feeding the processes. The situation The Grundfos pump factories and buildings in Bjerringbro, Denmark get water without chlorine from the local waterworks. However, for pump manufacturing processes, drinking water quality is not sufficient in the various phases of production. The requirement is demineralised process water with low conductivity supplied by a reverse osmosis (RO) unit with a water softener as pre-treatment and a subsequent water saving unit for recycling the wastewater onsite. The original installation is with a softening unit from 1995, which was extended in 2011 with another softening unit and subsequent RO unit. The existing solution was due for replacement in 2023, and Grundfos found the solution in collaboration with EUROWATER, which in 2020 became a Grundfos company. 2
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