Arrangement for removing heavy metals from waters Roof drainage ions.

摘要

System roof drainage with a filter arrangement for water discharge roofs, having a filter (9, 9a), which is included in a drain roof (2) and the filter (9, 9a) is equipped with a filter material (13), which removes heavy metal ions from the water discharge roof, characterized in that the filter material (13) consists of aluminosilicates synthetic crystalline hydrated or that are present in nature with frame structure, which containing alkaline or alkaline earth ions.