| 摘要 |
A bioreactor for treating a liquid comprises a container having a vertical wall portion with at least one inlet port and at least one outlet port. The bioreactor also comprises a media support platform securely disposed inside the container at a position below the inlet and outlet ports, and substantially permeable to liquid. The bioreactor comprises at least one cylindrical chamber inside the container at a position above the media support platform. The bioreactor also comprises a plurality of media units topically disposed on the media support platform. The bioreactor comprises a recirculation/aeration system secured at a bottom end of the cylindrical chamber. The recirculation/aeration system has a submersible pump device that can be programmed to pump liquid at variable speeds and has a liquid intake portion having perforations, an air intake tube, and an eductor device. The air intake tube protrudes through a top port of the container.
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