Water quality in the Września intake. Comparison of the characteristics of chalcedony bed and the characteristics of traditional anthracite-silicon beds in the aspects of deironing and demanganization, obtained mass capacities and hydraulic losses adequate to each, beds rinsing.
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Characteristics of sludge from subterranean water treatment. Dynamics of ortophosphates release from excessive sludge in oxygen-free conditions. Influence of ferrous sludge on diminishing ortophosphates release from sewage sludge. Comparison od ferrous sludge to other chemical reactants.