Winter Maintenance Wash-Water Heavy Metal Removal Pilot Scale Evaluation

Table 5

Settling times in hours for zinc particles based on Stokes law. The assumed dynamic viscosity of water for the Stokes law equation is determined by the temperature of the water. The particle settling times vary based on water temperature and the depth to which the particles are settling.

Depth (m)	Temperature (°C)
	0	5	10	16	21
1	6	5	4	4	3
2	12	10	9	8	6
3	18	15	13	11	9