From the side of pressure mains in sewage pumping stations
DOI:
https://doi.org/10.36119/15.2019.11.7Keywords:
wastewater, pumping, sediment, odoursAbstract
Three subjects belonging to pumping of sewage have been considered: non-return valves, the impact of small stones and coarse gravel on the flow resistance in a vertical pipe and the formation of odorants during pressure sewage transport. The flow velocities that open the non-return valves in the pumping station are described and some values are characterized. Then, the equations describe the effect of small stones and coarse gravel on the flow resistance through pressure lines. Finally, instructions on how to reduce the odour nuisance of transported sewage are given.
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