Monday, April 16, 2007

sewage disposal unit

Sewage Disposal Unit

Sewage disposal unit is the way to purified polluted water before enter the river. As we know, this polluted water really dangerous for human health. Before the polluted water purified by sewage disposal unit, the water contents of wastes and dangerous substances from house and factory. Sewage disposal unit help to decrease the dangerous of polluted water before they enter the river.

There are three steps in sewage disposal unit to purify the polluted water. First , the polluted water come from the main sewer and store in the settling tank. In this settling tank, some of substances in polluted water change into sediment formed. Than, the water is pumped by the pump house in oder to make the polluted water enter the sprinkler bed. After that, the polluted water purified in the sprinkle bed. In sprinkler beds, polluted water will be purified and will remove from microorganisms, stones, and other dangerous substances. Water that comes out from sprinkler bed will be safe to enter the river,

Less of dangerous for the environment, and human health.

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