Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1989-02-17
1990-03-27
Fisher, Richard V.
Liquid purification or separation
With means to add treating material
Directly applied to separator
2102422, 261 77, 261120, B01F 304
Patent
active
049118382
ABSTRACT:
A pluri-tubular aerator includes a vertical central tube member, at least one outer tube member disposed concentrically around said central tube member, and at least one of an diffuser and an air tank disposed on an lower end of the aerator for delivering externally supplied air into the central tube member or a space between the central and outer tube members. The diffuser produces a continuous stream of fine air bubbles while the air tank intermittently produces a bulky air bubble of either a spherical shape or a ring-shape. Preferably, the diffuser and the air tank are used concurrently.
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Fisher Richard V.
Kabushiki Kobe Seiko Sho
Lee Coreen Y.
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