Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1980-02-29
1981-08-25
Hill, Ralph J.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
73432PS, 233 27, B03B 500
Patent
active
042858097
ABSTRACT:
A long, thin annular belt-like channel is designed for use in sedimentation field flow fractionation. The channel has a generally rectangular cross section and a width to thickness aspect ratio lying in the range of 3-50 to 1. The channel may be formed of a flattened capillary tube. The ratio of the thickness of the channel to the characteristic height of the particles to be separated is greater than 5 to 1.
REFERENCES:
patent: 2920478 (1960-01-01), Golay
patent: 4066536 (1978-01-01), Ball et al.
Giddings et al., "Sedimentation Field-Flow Fractionation", Analytical Chemistry, vol. 46, No. 13, Nov. 1974, pp. 1917-1924.
Dilks, Jr. Charles H.
Kirkland Joseph J.
Yau Wallace W.
E. I. Du Pont de Nemours and Company
Hill Ralph J.
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