Electrolysis: processes – compositions used therein – and methods – Electrolytic synthesis – Involving measuring – analyzing – or testing during synthesis
Patent
1999-02-23
2000-10-24
Bell, Bruce F.
Electrolysis: processes, compositions used therein, and methods
Electrolytic synthesis
Involving measuring, analyzing, or testing during synthesis
205337, 2042471, C25C 100
Patent
active
061361771
ABSTRACT:
The present invention provides a method and apparatus for determining the current densities in an alumina reduction cell by the measuring of magnetic fields without contact with the anodes or cathodes. The current density is modelled by determining the currents in the anodes and/or cathodes by measuring the magnetic field produced by the anodes or cathodes, or the conductors feeding them, and electronically correcting for ambient effects. The apparatus consists of Hall Effect devices to measure the magnetic field and electronics to correct, display, log and analyze the data.
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patent: 5089093 (1992-01-01), Blatch et al.
patent: 5240569 (1993-08-01), Waldron
patent: 5294306 (1994-03-01), Howard et al.
Computer Applications in the Electrochemical Industry, IEEE Transactions on Industry Applications, vol. 24, No. 6, Nov./Dec. 1988.
Bell Bruce F.
Universal Dynamics Technologies
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