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UDC 628.336.57:628.162.52

Podkovyrov V. P., Arutyunova I. Yu., Yagunkov S. Yu., Zvyagin K. E., Dmitrieva Yu. S.

Operational Experience of a Shop of Mechanical Dewatering of Water Treatment Sludge at the Eastern Water Treatment Station

Summary

From January, 2010 the facilities for processing of water treatment sludge operate at the Eastern water treatment station of the Moscow State Unitary Enterprise Mosvodokanal (MSUE). The facilities include settling tank-sludge thickeners, drum thickeners, and centrifuges. The sludge treatment facilities operate round-the-clock. The operational experience shows that influent wastewater is characterized by significant irregularity during the day both by flow rate and by quality. In this connection there was the search for both optimal operating conditions of the facilities and optimal reagents making it possible to achieve the maximum efficiency of dewatering at preservation of acceptable quality of wastewater disposed.

Key words

drum thickener , sludge from water treatment plant , dehydration , sludge treatment facility , flocculant , centrifuge

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