Domestic wastewater treatment plant. (Machine-translation by Google Translate, not legally binding)

摘要

Domestic sewage treatment plant, intended to purify waste water originating in a dwelling or other building, such as a bar, restaurant or similar, to the object of such water can be dumped into a channel, or used as irrigation water, or infiltrate the subsoil itself, characterized by comprising three compartments conveniently assembled and connected to each other, the first of which is intended as a septic tank to receive wastewater from the house, with a pipeline with holes at an intermediate height., through which the clearest water and located between the lower zone of decantation of dense materials and the uppermost zone of flotation of less dense materials, accesses the interior of a pipeline in which there is a water channeling "U" configuration through which air is applied, there is an upper duct through which clear water is supplied to the second determining compartment of an aeration chamber, it being provided that the third compartment is determined concentrically to the previous one and in it the clarification of the water is carried out; further characterized in that the active sludge arriving at said third compartment and decanted by gravity in its bottom, are recirculated through another conduit, with the collaboration of air blown thereto, for supply to the second compartment, existing therein and in correspondence with the latter. Lower part of the same air diffusers through which oxygen is applied for the metabolization of organic matter by aerobic bacteria. (Machine-translation by Google Translate, not legally binding)