WASTEWATER PURIFICATION DEVICE AND WATER TREATMENT PROCESS

摘要

The invention relates to a filtering-mass wastewater purification device (100) comprising a freely drained fixed culture first stage (101), placed directly above a water-saturated fixed-culture second stage (105), and a forced aeration system (110) extending under the second stage. The invention also relates to a wastewater treatment process, and also to a sludge mineralisation process, using such a purification device.