Arc Aroma Pure AB announced that Aarhus Vand, Aarhus Denmark, and Arc Aroma Pure AB (ArcAroma), Lund Sweden, have agreed to jointly evaluate ArcAroma´s technology dynaCEPT® to increase biogas production from sewage sludge and improve dewaterability, viscosity of the sludge and foaming. The test will start at Egaa wastewater treatment plant in Aarhus this spring and continue up to six months. The aim of the evaluation is to optimize the performance of Egaa wastewater treatment plant, but also to test new technologies for ReWater, the future resource recovery plant in Marselisborg.