Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...
Patent
1986-07-16
1988-05-03
Fisher, Richard V.
Liquid purification or separation
Processes
Utilizing electrical or wave energy directly applied to...
241 1, 134 1, 134 251, C02F 134
Patent
active
047418397
ABSTRACT:
Processes and apparatus for treatment of flowing slurries of particulate material mixed in liquid employ a wide, elongated downwardly-slanted, metal tray with upturned edge flanges, cable-suspended for unrestrained vibratory flexing and undulation. The tray is provided with a plurality of ultrasonic transducers mounted on its underside, and the flowing slurry is delivered to the upper tray end, flowing lengthwise down the tray in a shallow flowing sheet. Ultrasonic vibratory energy coupled through the tray to the flowing slurry has a "microscopic scrubbing" action on all particles and agglomerates, breaking the surface tension on the particle, cleaning particle surfaces, and separating different constituent particles and coatings of gels, slimes, algae, clay or mud. Mixtures of fine particles of coal or other valuable minerals with ash, clay, rock or sand particles are separated with unexpected efficiency by these techniques.
REFERENCES:
patent: 2905455 (1959-10-01), Sasaki
patent: 4200470 (1980-04-01), Pennekamp
patent: 4521302 (1985-06-01), Stone
patent: 4525219 (1985-06-01), Jones
The Way Things Work, An Illustrated Encyclopedia of Technology, Simon and Schuster, 1967, p. 208.
Fairbanks Harold V.
Hunicke Raymond L.
Krenicki Joseph
Morton William E.
Wallis James
Fisher Richard V.
Heritage Industries Inc.
Lee Coreen Y.
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