Gaois

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2 results

  1. INDUSTRY|iron, steel and other metal industries|metals
    anóid réamhbhácáilte Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Blockanode | vorgebrannte Anode
    de
    prebaked anode | prebaked carbon anode
    en
    Definition large carbon blocks used to conduct electricity during the aluminium reduction process which are baked in very large gas-fired ovens at high temperature before being lowered into the pot Reference COM-Terminology Coordination, based on:The International Aluminium Institute. Anode Production, http://primary.world-aluminium.org/processes/anode-production.html [14.4.2016]
    Comment These are then replaced once consumed.
    anode précuite
    fr
    Definition Type d'anode utilisée dans la réduction électrolytique de l'alumine ; Type d'anode utilisée dans la réduction électrolytique de l'alumine. Ce sont des blocs de carbone, mélangé avec du brai, cuits préalablement à leur utilisation (entre 90 et 180 heures à une température de 1 100ºC, pour assurer une cokéfaction correcte du liant et une réactivité aussi basse que possible de l'anode). Reference Techn.Ing. ;
  2. INDUSTRY|iron, steel and other metal industries|metals
    anóid réamhbhácáilte Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    pre-baked anode | pre-bake anode
    en
    Definition in a primary aluminium plant, anode manufactured in a carbon plant from a mixture of calcined petroleum coke and coal tar pitch that is formed into a block and baked in an anode furnace Reference COM-EN, based on: Patrick Finlay. Primary aluminium production. Draft Guidelines on Best Available Techniques (BAT) for Primary Aluminium http://www.pops.int/documents/meetings/bat_bep/2nd_session/egb2_followup/draftguide/6b2primaryaluminiumdraft.pdf [10.1.2012]
    Comment They are gradually lowered into the pots as they are consumed, and need to be replaced before the entire block has been consumed. The anode remnants, known as anode “butts”, are cleaned and returned to the carbon plant for recycling. Depending on the method of feeding the alumina into the electrolytic cells, the cells are called Side-Worked Pre-Bake (SWPB) or Center-Worked Pre-Bake (CWPB). For SWPB cells, the alumina is fed to the cells after the crust is broken around the perimeter. For CWPB cells, the alumina is fed to the cells after the crust is broken along the centreline or at selected points on the centreline of the cell.
    anode précuite
    fr