Method and arrangement for aeration of liquids
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United States of America Patent
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Dec 6, 1983
Issued Date -
N/A
app pub date -
Dec 10, 1981
filing date -
Oct 10, 1978
priority date (Note) -
Expired
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Abstract
A method of aerating liquids, particularly for aerobic growing of microorganisms, has the steps of forming a circumferential stream of liquid, forming a longitudinal stream of liquid, and superimposing these streams so as to form a combined closed spiral-shaped stream. An arrangement is provided in which the circumferential stream is formed by an upright conduit tube and an impeller, the longitudinal stream is formed by a distributing element with a plurality of nozzles, and the superimposing of the streams is attained by fixedly mounting the distributing element relative to the impeller.
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