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Glossary

Household sewage treatment plant

A complex of devices intended for treatment of sewage produced in one or more households. As a result of an aerobic and anaerobic decomposition occurring in that system, the larger part of sewage is converted into the form of water of second class quality that can be safely discharged into the ground or nearby surface waters (rivers, streams, ditches, ponds, lakes). A household sewage treatment plant consists of a primary settling tank and a final treatment system.

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