| abstract |
A filter apparatus (11) for removing dissolved organic compounds from a water based liquid, comprising at least one filter unit (12, 20) in the form of a container (13, 21) in which an inlet (14, 22, 23) and an outlet (16, 17, 24) is provided, a filter bed (25) being arranged in the at least one container between the inlet and the outlet, the filter bed comprising at least one layer of an adsorbent comprising an amorphous precipitated silica material. |