Treating contaminated water e.g. in swimming pools

摘要

Treating contaminated water containing chlorine and optionally chlorinated organic compounds, comprises at least treatment step with one or more chlorine-removing agent and at least one single- or multi-step membrane filtration method for the treated water. Also claimed is the apparatus comprising at least one pre-filter (1), followed by one or more reactors (2) for treating optionally pre-filtered contaminated water with the chlorine-removing agent and optional water hardness remover. The reactor is followed by one or more membrane filters (4).