The Light Metals Flagship has developed a low-cost barrier coating that protects the carbon anodes used in high-temperature electrolytic cells in aluminium smelting. The new coating extends the operational life of carbon anodes and will significantly improve efficiency at smelters leading to substantial cost and environmental savings.
Trials in both Australian and overseas smelters have demonstrated the effectiveness of the barrier coating. The coating maintains its integrity throughout the life of the anode, without cracking, and importantly, using coated anodes presents no safety problems. The anodes survived the rigours of transport via ship, truck and smelter conveyor without damage to the coating.
Photographer : Mark Fergus on November 16 2006.
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<table style="border:1px solid;padding:2px; width:310px;" ><tr><td><a href="http://scienceimage.csiro.au/image/11702/"><img src="http://scienceimage.csiro.au/images/embed/300_200_LM12376.jpg" width="300" alt="CSIRO researcher applying coating to carbon anode" style="margin: 0 0 5px 0; border: 0px;"></a><br/><a href="http://scienceimage.csiro.au/image/11702/">CSIRO researcher applying coating to carbon anode</a><br />by CSIRO</td></tr></table>
CSIRO researcher applying coating to carbon anode