| 摘要 |
A sewage system is provided for waste disposal units whose waste is removed by the supply of liquid and subsequent application of partial vacuum, for example vacuum closets. In order to make for the employment of large systems, the units are grouped such that a predetermined maximum partial vacuum transport distance is not exceeded. Each such group is connected to a converter in which the partial vacuum is converted into excess pressure which makes for long distance transport, by the intermediary of an intermediate step at atmospheric pressure. Moreover, the waste can be comminuted and oxygenated in the intermediate step of the converter, at the same time as the requisite partial vacuum is established.
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