LiveZilla Live Chat Software

Constellation, le dépôt institutionnel de l'Université du Québec à Chicoutimi

Preventive treatment of anode effects using on-line individual anode current monitoring

Dion Lukas, Lagacé Charles-Luc, Laflamme François, Godefroy Antoine, Evans James W., Kiss László et Poncsák Sándor. (2017). Preventive treatment of anode effects using on-line individual anode current monitoring. Dans : 146th Annual Meeting & Exhibition, TMS Light Metals 2017 , September 2017, San Diego, CA.

[img] PDF - Version acceptée
Administrateurs seulement

765kB

Résumé

Anode effects (AE) are considered a nuisance for aluminium production due to the numerous negative impacts that they generate in an electrolysis cell. Previously, great efforts have been deployed to mini-mize the occurrence of this event. Using online anode current monitoring, Alouette introduced an algorithm to detect abnormalities prior to an AE, allowing sufficient time to apply a corrective action before its occurrence. Several sets of strategies were tested to evaluate the best approach to correct the situation without generating addition-al problems in the cells. Finally, individual anode currents measurements were connected to the cell control system of two pots to automatically launch preventive treatment of AE. A decrease in the total number of anode effects along with an increased cell stability is noticeable. Other indicators, such as anodic incidents, alumina dosage and metal purity were also compared to make sure that no deterioration in the cell conditions occurred over time.

Type de document:Matériel de conférence (Non spécifié)
Date:Septembre 2017
Sujets:Sciences naturelles et génie > Génie
Sciences naturelles et génie > Génie > Génie des matériaux et génie métallurgique
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Liens connexes:
Mots-clés:Anode effect, PFC emissions, individual anode monitoring, preventive anode effect treatment, effet d'anode, émissions de PFC, surveillance individuelle des anodes, traitement préventif de l'effet d'anode
Déposé le:27 janv. 2021 19:25
Dernière modification:27 janv. 2021 19:25
Afficher les statistiques de telechargements

Éditer le document (administrateurs uniquement)

Creative Commons LicenseSauf indication contraire, les documents archivés dans Constellation sont rendus disponibles selon les termes de la licence Creative Commons "Paternité, pas d'utilisation commerciale, pas de modification" 2.5 Canada.

Bibliothèque Paul-Émile-Boulet, UQAC
555, boulevard de l'Université
Chicoutimi (Québec)  CANADA G7H 2B1
418 545-5011, poste 5630