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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 6
BKCSDE 22(6)
June 20, 2001 

Separation and Characterization of Dust and Ground Water Particulates Using Gravitational SPLITT Fractionation
Seungho Lee, Hee-Young Park, Sang-Keun Lee, Sung-Gwon Yang, Chul Hun Eum
Gravitation SPLITT Fractionation (GSF), Preparative separation, Sedimentation coefficient, Dust, Ground water particles.
Split-flow thin (SPLITT) cell Fractionation (SF) is a technique that allows separation of particulates and macromolecules into two fractions. A gravitational SF (GSF) system is constructed and tested for its applicability for separation of dust and ground water particulates. When tested with polystyrene latex particles, experimental data were in good agreements with theory. The 9.8 and 21.4 ㎛ polystyrene particles were successfully separated in a continuous mode, where the mixture is continuously fed into the GSF channel allowing separation in a large scale. The GSF system is successfully applied to continuous separation of dust and ground water particles based on the sedimentation coefficient, which is closely related to the particle size. The separations were confirmed by microscopy and energy-dispersive X-ray (EDX) analysis.
616 - 622
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