Eco-friendly water treatment works best with experienced bacterial flora
Published 14 May 2018 New sand filters being installed at Ringsjöverket in southern Sweden. (Photo: Sandy Chan) Sustainable, biological filters called slow sand filters have been used to filter drinking water since the 1800s. They don’t use any chemicals, create no waste and use very little energy. However, technologies that meet modern requirements for control, monitoring and time-efficiency have
https://www.lunduniversity.lu.se/article/eco-friendly-water-treatment-works-best-experienced-bacterial-flora - 2025-02-07