Sika
Reliable surface protection for drinking water purification
In the heart of the Ruhr metropolis, the Rheinisch-Westfälische Wasserwerksgesellschaft (RWW = Rhenish-Westphalian Water Works Corporation) uses surface water of the Ruhr river as a raw water source. The water is purified in a multi-stage, multi-barrier process, the so-called “Mülheimer Verfahren” (= Mülheim process). Altogether, the Rhenish-Westphalian Water Works Corporation supplies water to around 825,000 people via a distribution network comprising around 3,000 km, making it one of the largest water service providers throughout Germany.
At the RWW’s Ruhr water works in Styrum/West, the raw...
