| 摘要 |
<p>The invention pertains to a plant for the purification of civil or industrial wastewaters, the plant comprising a bio filter (2) containing support materials (13) for a biomass and an aeration tank (1) equipped with an air injection device (3) and connected to said biofilter (2) through pipelines (6, 7) suitable to allow the recycle of the wastewaters from said tank (1) to said biofilter (2) and vice versa. The invention also pertains to a discontinuous process for the purification of civil or industrial wastewaters by means of said plant.</p> |
