Eco-friendly water treatment works best with experienced bacterial flora
This article is over 5 years old, and the information may therefore be outdated. 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 become popular, while biologic
https://www.lunduniversity.lu.se/article/eco-friendly-water-treatment-works-best-experienced-bacterial-flora - 2026-05-23
