Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Reexamination Certificate
2008-09-23
2008-09-23
Williams, Hezron E. (Department: 2856)
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
C073S061790, C073S597000, C702S054000, C702S056000
Reexamination Certificate
active
11115492
ABSTRACT:
A submersible meter is provided that measures the speed of sound propagating in an aerated fluid to determine any one of a plurality of parameters of the fluid, such as the gas holdup of the fluid (εb), the bubble size (db), the bubble surface area flux (Sb), and the flotation rate constant (k). The meter includes a spatial array of sensors disposed at predetermined axial locations x1-XNaxially along a tube. The array of sensors provide acoustic pressure signals P1(t)-PN(t) to a transmitter which determines the speed of sound amixpropagating through the aerated fluid in the tube using acoustic spatial array signal processing techniques. The submersible meter enables real time measurement of the bubble size, the bubble surface area flux and flotation rate constant, which enables real time monitoring of the efficiency and recovery rate of flotation machines. A control system is also provided using the submersible meter improve the efficiency of mineral processing by controlling the process parameters in response to the measured parameter of the fluid within a flotation machine.
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“Visc
Expro Meters Inc.
Fayyaz Nashmiya S
Williams Hezron E.
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