... chemical, and hydrodynamic conditions. It is of interest for understanding, modeling, and design in natural and engineered water and wastewater treatment systems. In natural aquatic 1-5 667 0-6 1 5-7 /05/$0.00+$1.50© ... 2, corresponding to the three different measurement times, were incorporated in the calculations (D 2 = 1.84, 1.75, and 1.65, and D3= 2. 77, 2. 62, and 2. 47, fort = 10 min, 20 min, and 30 min, ... “L1615_C005” — 20 04/11/19 — 18:48 — page 120 — #26 120 Flocculation in Natural and Engineered Environmental Systems 12. Meakin, P., Simulations of aggregation processes, in The Fractal Approach...