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1. WO2001063012 - METHOD OF CONVERTING HALL-HEROULT CELLS TO INERT ANODE

Publication Number WO/2001/063012
Publication Date 30.08.2001
International Application No. PCT/US2001/006077
International Filing Date 23.02.2001
Chapter 2 Demand Filed 18.09.2001
IPC
C25C 3/06 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
3Electrolytic production, recovery or refining of metals by electrolysis of melts
06of aluminium
CPC
C25C 3/06
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
3Electrolytic production, recovery or refining of metals by electrolysis of melts
06of aluminium
Applicants
  • ALCOA, INC. [US]/[US] (AllExceptUS)
  • D'ASTOLFO, Leroy, E., Jr. [US]/[US] (UsOnly)
  • MOORE, Robert, C. [AU]/[US] (UsOnly)
Inventors
  • D'ASTOLFO, Leroy, E., Jr.
  • MOORE, Robert, C.
Agents
  • HANDELMAN, Joseph, H.
Priority Data
60/184,63824.02.2000US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD OF CONVERTING HALL-HEROULT CELLS TO INERT ANODE
(FR) PROCEDE DE CONVERSION DE CELLULES DE HALL-HEROULT EN CELLULES ANODIQUES INERTES POUR PRODUIRE DE L'ALUMINIUM
Abstract
(EN)
A method is provided for retrofitting conventional aluminum smelting cells (1) with inert anode assemblies (12) which replace the consumable carbon anodes (2) of the cell (1). The inert anode assemblies (12) are pre-heated prior to introduction into the operating cell. Insulation (18) may be installed for reducing heat loss during operation of the retrofit cells.
(FR)
L'invention concerne un procédé servant à convertir par rattrapage des cellules classiques de fonte d'aluminium (1) en ensembles anodiques inertes (12) remplaçant les anodes au carbone consommables (2) de la cellule (1). On effectue un réchauffement préalable de ces ensembles anodiques inertes (12) avant de les introduire dans la cellule opérationnelle. On peut monter une isolation (18) afin de limiter les pertes de chaleur pendant la mise en service des cellules rattrapées.
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