Specialized metallurgical processes – compositions for use therei – Processes – Process control responsive to sensed condition
Patent
1992-06-16
1993-07-13
Andrews, Melvyn J.
Specialized metallurgical processes, compositions for use therei
Processes
Process control responsive to sensed condition
73 1907, 73 6143, 75681, 266 80, C22B 905, C22B 2106
Patent
active
052269507
ABSTRACT:
The present invention includes process and apparatus for continuously monitoring or detecting a liquid element or compound in another, different liquid including introducing a gas into a first liquid, measuring bubble size of bubble formation of the gas in the first liquid, introducing a second liquid element or compound into the first liquid to form a combination liquid, introducing a gas into the combination liquid, measuring bubble size of bubble formation of the gas in the combination liquid, and comparing gas bubble formation in the first liquid with gas bubble formation in the combination liquid to determine the amount of the second liquid in the combination liquid. The present invention further includes controlling or adjusting the amount of the second liquid contained in the first liquid in response to the monitoring and detecting determination of the present invention.
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Aluminum Company of America
Andrews Melvyn J.
Glantz Douglas G.
Pearce-Smith David W.
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