Dishwashers are undoubtedly one of the handiest appliances to have in the kitchen. But do they reuse dirty water? We'll break ...

If you plan ahead a little bit you could have your own system of water purification to use in emergencies. Everyone needs clean drinking water and this gadget will let your produce your own ...

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 ...