METHOD AND APPARATUS FOR MEASURING SEDIMENTATION OF SOLID-LIQUID TWO-PHASE MIXTURE
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United States of America Patent
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Dec 4, 2014
app pub date -
May 9, 2014
filing date -
May 29, 2013
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Abstract
A method and an apparatus for measuring sedimentation of a solid-liquid two-phase mixture are provided. A standard work curve and/or standard mathematical model, indicating a relationship between thermal conductivity (k) and concentration (φ) (and/or density (ρ)), are provided for measuring sedimentation of the solid-liquid two-phase mixture. To measure the sediment, thermal conductivities (k) are measured at settling times (t) to obtain a relationship (k−t). Concentrations (φ) and/or densities (ρ) are then determined, based on the measured relationship (k−t) and the standard work curve and/or the standard mathematical model. A sedimentation rate is determined according to a variation rate of the thermal conductivity. A sedimentation status, sedimentation degree, and/or complete sedimentation degree are determined according to variation rate and variation degree of the thermal conductivity (k), the concentration (φ) and/or the density (ρ) of the solid-liquid two-phase mixture to be measured.
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