The treatment of urban wastewaters by membrane methods

1Seminska, OO
1Kucheruk, DD
1Balakina, MM
1Goncharuk, VV
1A. V. Dumansky Institute of Colloid and Water Chemistry of the NAS of Ukraine, Kyiv
Dopov. Nac. akad. nauk Ukr. 2016, 11:112-116
Section: Ecology
Language: Ukrainian

The efficiency of the preconditioning of Kyiv's wastewater for its further purifying by reverse osmosis plants with filtration through a sand filter with the 1—2 mm faction loading followed by the microfiltration on a ceramic microfilter with clay minerals is investigated. It is established that the combination of chosen water pretreatment methods contributes to the efficient stable operation of the reverse osmosis membrane, providing a reduction of the source water turbidity by 99.9 %, phosphate content in it by 98.8 %, and total organic carbon by 94.8...99.9 % at constant values of its specific productivity to the permeate selection ratio of 80 %.

Keywords: ceramic microfilter, phosphates, reverse osmosis, turbidity, wastewater treatment
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