Biofiltration as a treatment technology in water and wastewater purification. The arrow indicates the direction of water flow. Biofilters contain filter medium grains (e.g., sand, granular activated ...

Implementing more biofiltration would help coho as well as other fish sensitive to urban runoff like steelhead, but it is only part of the solution, McIntyre said. "We also need to pay more attention ...

A recent study published in Engineering presents a novel approach to wastewater treatment and membrane fouling mitigation. The research, led by Zhiwei Wang from Tongji University, focuses on the ...

Every day, millions of litres of polluted water flow through many South African rivers and disappear into the sea. In South Africa, the small Stiebeuel River in Franschhoek, about 75km east of Cape ...

A relatively simple, inexpensive method of filtering urban stormwater runoff dramatically boosted survival of newly hatched coho salmon in an experimental study. That's the good news for the ...