Slow sand filtration remains a cornerstone of sustainable water treatment, harnessing both physical and biological processes to improve water quality. Central to this method is the development of a ...

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. New research ...

Today's filtration technologies do a wonderful job of producing potable water, but the spread of plastic waste throughout the environment means there are new threats to contend with. A new study has ...

This research was undertaken to investigate the use of sand filtration and activated carbon adsorption as polishing steps following dissolved air flotation of poultry processing wastewater. Two types ...

After a turbulent 2025 with their water, the City of Mattoon said they’re moving closer to getting key upgrades — ones they ...