Effluent Treatment Plant Batch Process

Effluent Treatment Plant Batch Process

Effluent Treatment Plant Batch Process

In batch systems, the waste water is discontinuously treated in several successive chemical treatment steps taking into consideration the required reaction times. In the process, the waste water is pumped from a storage tank into the batch tank by means of a pumping station. After the decontamination, hydroxide precipitation or, if complex compounds are present, sulfide precipitation may be used. After a defined settling time, the clarified water is discharged from the batch. For secondary clarification, a sand filter and, if required, a selective ion exchanger are employed before the water is discharged into the sewerage system through final pH control. The sedimentation of the occurring flocculent sludges can also be effected in a batch or, as required, in a separate downstream sludge tank. Normally, the sludge is dewatered into a dumpable filter cake with a chamber filter press.

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