Acoustic bubble removal method

Details Acoustic bubble removal method Acoustic bubble removal method

1982-01-21

1983-08-16

Lacey, David L.

Gas separation

Means within gas stream for conducting concentrate to collector

55 38, 55 52, 55277, 65134, 366114, 252361, 210748, B01D 1900

Patent

active

043989250

ABSTRACT:
A method is described for removing bubbles (14) from a liquid bath (12), such as a bath of molten glass to be used for optical elements. Larger bubbles are first removed by applying acoustic energy resonant to a bath dimension (H) to drive the larger bubbles toward a pressure well (30) where the bubbles can coalesce and then be more easily removed. Thereafter, submillimeter bubbles (50) are removed by applying acoustic energy of frequencies resonant to the small bubbles to oscillate them and thereby stir liquid immediately about the bubbles to facilitate their breakup and absorption into the liquid (16).

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Sound Breaks Foam Barrier, Chemical Week, May 6, 1961, pp. 51 and 52.

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