The pilot site replaces the device septic tank. it is equipped with the process “Biological Pit " lyseconcept, made up by concrete tank established online without need for spreading after. The water of rejection at exit contains fine organic matter particles in suspension an active total colony count and diffuse pollution (urea, ammonia, nitrogenize, nitrate, mug up, phosphate, cogitate, etc) which make of it an element fertilizing and enriching for the topsoil.
The process does not produce mud residues it removes the obligation of draining thus. The basic financial investment is amortized in the short run.