Groundwater Aquifers | Project 2 - Groundwater: How can it be cleaned?
Project 2
Groundwater: How can it be cleaned?
Purpose
Surface water—water in lakes, rivers, and wetlands—often contains impuritiesChemicals or other pollutants in water. that make it look and smell bad. It may also contain bacteria and other organisms that can cause disease. Consequently, this water must be "cleaned" before it can be used. Water treatment plants typically clean water by taking it through these processes:
- aerationMixing a gas, like oxygen, with a liquid, like water., which allows foul-smelling gases to escape and adds oxygen from the air
- coagulationA process during which solid particles in a liquid begin to stick together., which causes solid particles to stick...
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