| 摘要 |
In place of the conventional aerobic treatment station, wastewater undergoes aeration in a treatment-pipe. The treatment-pipe has a long/narrow configuration. Open-cell foam serves as treatment material, in the treatment pipe, and promotes attachment of microbial colonies. Two or more treatment-pipes may be connected in series or parallel. Also, in place of a conventional septic tank, wastewater undergoes anaerobic treatment and settlement in a treatment-pipe. The treatment-pipe has a long/narrow configuration. End chambers provide inlet and outlet ports, a sump for collecting settled-out solids, and sealing attachments for the treatment-pipe itself.
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