Sewage treatment system

摘要

Sewage treatment system has a settling tank and a downstream filter tank and /- 1 tank contains zeolite. Preferably, the settling tank comprises three chambers, with a presettling chamber (2.1), a secondary settling chamber (2.2), and a decomposition chamber (2.3) with at /- 1 zeolite filter bed (2.4). The filter bed of the downstream filter tank preferably has a layer of broken stone, above which is a filter layer of zeolite-lava mixture and a top layer of plant material. Purity of treated material conforms to stringent requirements.