Zero Liquid Discharge
Because clean water is increasingly scarce.
Two-thirds of the surface of our blue planet is covered with water. However, the proportion of freshwater is just 3 percent. Consequently, water purification is of primary importance. Desalination plants are currently market leaders in regions with water shortages and the trend is growing. However, these waste management approaches now already lead to serious environmental problems, such as releasing highly concentrated brines back into water sources (e.g. sea or groundwater) or discharging them into waste water streams. Another challenge is the treatment of contaminated water into industrial water, as is the case, for example, in mining areas. Innovative solutions are also in demand here.