This test utilizes two liter graduated cylinders in which feed solids concentration, flocculant dosage, pH and temperature can be varied to determine the rise rate of the material tested, underflow density and the total suspended solids (tss) of the overflow liquid.
Dynamic Clarification Tests
This test utilizes a continuous bench scale unit equipped with a motorized rake mechanism and pumps for continuous feed and flocculant delivery. An underflow pump is used to withdraw solids from the bottom of the unit to measure the solids content at various hydraulic loading rates. Total suspended solids (tss) measurements are also taken from a sample of overflow to determine the clarity at various hydraulic loading rates.