BURIED TYPE WATER PURIFICATION FACILITY WITH IMPROVED PURIFICATION EFFICIENCY WITH WASTEWATER PASSING THROUGH A SEPTIC TANK, A SPARE FILTER TANK, AN OXIDATION TANK, A STERILIZATION TANK, AND A FILTERED DISCHARGE TANK

摘要

PURPOSE: A buried type water purification facility is provided to prevent environmental pollution and water shortage as wastewater thrown away from a household or a farm in desert or countryside is reused as agricultural water or drinking water.;CONSTITUTION: A buried type water purification facility comprises a septic tank(10), a spare filter tank(20), an oxidation tank(30), a sterilization tank(40) and a filtered discharge tank(50). The septic tank separates solid of wastewater flowed in, and precipitates. The spare filter tank is equipped with a crushed stone layer(52) and a sand layer(54) to purify the wastewater which overflows through a partition wall with a top opening in the oxidation tank.;COPYRIGHT KIPO 2013