Sewage treatment plant (WWTP)

A sewage treatment plant (WWTP), also known as wastewater treatment plant (AWZI), purifies the waste water from households and companies that is supplied via the sewer. In a sewage treatment plant, the waste water from sewers is purified before it enters surface water. The incoming dirty water, the influent, is purified in a number of steps in the installation. The purified water is called the effluent. The coarser particles are removed successively with a grid or a separator, then the finer particles in settling tanks, and finally the dissolved substances. In addition to water, other substances are released, in particular sludge, which is sometimes given a new destination. The treatment of waste water is framed in national and international regulations.

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Last Updated April 11, 2023, 23:11 (UTC)
Created April 11, 2023, 23:11 (UTC)
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