NZ NZ597220A
597220 Disclosed is a fluid purification or treatment apparatus (10) for treating or purifying contaminated liquids such as water. The apparatus includes at least one upright elongated primary treatment chamber (11) having an inlet (14) for fluid to be treated at an upper end of the chamber (11) such that fluid flows downwardly through the chamber (11). Means (20 or 24) are provided for introducing a sterilizing agent such as ozone or ozone enriched air into a lower end of the chamber (11) for bubbling upwardly through liquid flowing downwardly through the chamber (11). Means (16) at the upper end of the chamber (11) remove waste and an ultraviolet lamp (29) is provided for UV treatment of the liquid, the ultraviolet lamp (29) being located in a separate chamber (12) connected to the primary treatment chamber (11) or within the primary treatment chamber (11). A plurality of chambers (11) and (12) may be provided for multiple treatment of the liquid.
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