| 摘要 |
<p>Water treatment apparatus (10) comprising a building (11) having a tank-like base (12) for containing water, a drum or screen filter (23), a first biological filter chamber (26) for receiving water from the drum or screen filter (23), a series of further chambers (43,50,51,52,53,54) in which water can undergo different water treatments, and at least one further biological filter chamber (58, 70).</p> |
