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The continual biological treatment of greywater by wastewater-typical microorganisms is maintained through the regular supply
of greywater. If no greywater is introduced over an extended period of time (e.g. holiday, seasonal operation), then the number
of microorganisms reduces. After fresh inlet of greywater, the microorganisms require a little time to achieve the maximum
biological capacity. During this time, a reduced biological cleaning capacity can occur during the treatment process. Weak re-
sidual scents of shampoo, soaps, etc. may be subjectively noticed in the process water.
If the downtime of the system is longer than 4 weeks, then we recommend a supporting inoculation of microbiology with dry
bacteria when the treatment process is recommenced.
6.5.
Extended periods of downtime
Please do not switch of the control unit during a downtime period to keep a sustain and strong microbiology.
Please contact your contractual partner or DEHOUST.
