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E. N. BORISOVA, G. N. NIKOVSKAYA, Z. R. ULBERG, L. G. MAROCHKO, and N. P. STRIZHAK
«Colloid Chemical Aspects of Soil Colloids Bioaggregation»
379–384 (2008)

PACS numbers: 81.16.Fg, 82.45.Tv, 82.70.Dd, 82.70.Uv, 83.80.Hj, 87.15.Nn, 87.18.Ed

Changes in surface properties (zeta potential and hydrophobicity) of three types of soil colloids during activated sludge cultivation are studied. In the course of all types of soil-colloids bioaggregation, a lowering of negative charge values and an increase of hydrophobicity indexes are observed. Changes in surface properties of soil aggregates are mostly expressed in the case of the soil with alkaligenous metabolism trend provided by polypeptides or acetate substrates.

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