A modified electrolysis cell and a method for modifying same

A modified electrolysis cell and a method for modifying same

A method for optimizing stability in an electrolysis cell of the Hall-Héroult type where the cell has suspended prebaked anodes and a cathode panel. The panel comprises several cathode blocks or cathode block sections. A metal pad and an electrolytic bath are located between said anodes and the cath...

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Hauptverfasser: Bardal, Asgeir, Jorgensen, Robert, Lilleby, Anders, Hop, Jorund, Giskeodegard, Nils-Havard, Paulides, Sipke
Format: Patent
Sprache:eng
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APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
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creator Bardal, Asgeir
Jorgensen, Robert
Lilleby, Anders
Hop, Jorund
Giskeodegard, Nils-Havard
Paulides, Sipke
description A method for optimizing stability in an electrolysis cell of the Hall-Héroult type where the cell has suspended prebaked anodes and a cathode panel. The panel comprises several cathode blocks or cathode block sections. A metal pad and an electrolytic bath are located between said anodes and the cathode panel. The force field acting on the metal pad is calculated and monitored in a computer based model of the cell, whereby the local current paths and correspondingly the local forces in the metal above the cathode panel are modified by influencing selectively the current distribution in individual cathode blocks or block sections in the computer based model. At least one modification is implemented in the cell. The invention also relates to a correspondingly modified cell.
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subjects APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS
title A modified electrolysis cell and a method for modifying same
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