1. The Kelly tube involves an error because of drainage from the side-arm into the main tube, as pointed out by Duncombe and Withrow.
2. It has been shown that this becomes negligible by re- designing the tube.
3. A general equation has been derived which permits direct calculation of the percent settled and which does not require that the density of the particle or the concentration of the suspension be known.
4. Experimental results are given for the settling of a BASO4 suspension.
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References
1.
W.J. Kelly.Ind. Eng. Chem., 16, 928 (1924).
2.
C.G. Duncombe and J.R. Withrow.J. Phys. Chem., 36, 31 (1932).
