On the development of a mercury-free ternary aluminium anode for cathodic protection

The development of a new mercury-free ternary aluminum anode (CIFTAL) for cathodic protection of marine structures is described. The new anode demonstrated a current efficiency of 83.5% to 85.4% in a current density range of 5.6 to 166.7 mAdmˉ². The current efficiency remained practically stable at 1.4 mAdmˉ² over a test period of 300 days. The service trials of the anode on steel trawlers and aluminum (Indal M 57 S) sheathed wooden boats have shown satisfactory performance in terms of uniform dissolution, current efficiency and driving voltage. In the wake of legislations restricting the use of anodes containing mercury in an endeavor to control the mercury pollution of the near shore aquatic environment, the new anode (CIFTAL) with its stable current output and high current efficiency merits significance in marine cathodic protection.

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Detalhes bibliográficos
Principais autores: Ravindran, K., Gopalakrishna Pillai, A.G.
Formato: article biblioteca
Idioma:English
Publicado em: 1987
Assuntos:Fisheries, cathodic protection, offshore structures, corrosion control, fishing boats,
Acesso em linha:http://hdl.handle.net/1834/33963
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