| 摘要 |
The present invention provides an apparatus (10) for housing a suspended medium in a fluid, for particular use in treating aquaculture waters, the apparatus (10) comprising a chamber (12) in which the suspended medium is housed, the suspended medium preferably comprising a bio-film supported on a plurality of carrier elements and/or an activated sludge culture, the chamber forming a looped flow path, in which the fluid and the suspended medium circulate.
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