SCOPE

The testing of core samples taken from the baked anodes used in aluminum production is well established at smelters. This testing is essential for feedback on anode core quality but requires laboratory facilities and can take several days to get results. Laboratory anode testing can be supplemented by practical "in-plant" anode quality testing methods that give rapid feedback on anode quality and require only very simple tools. In this workshop, the basis and techniques used in these methods of assessing anode and butt quality will be explained so they can be applied by attendees. The link between test results and diagnosing anode performance will be explained. In particular, the optical macroscopy method of core quality assessment will be demonstrated — although not a prerequisite, if they are in a position to do so, workshop participants are strongly urged to bring a sample of around 10 permeability/thermal conductivity anode core slices from their plant to the course for assessment.

These techniques are also applicable to equipment and raw material suppliers who wish to understand how to rapidly assess their customer’s anode and butt quality. After attending the workshop, attendees will be able to assess anode and butt quality in the workplace and use the test results for diagnosing anode performance. They will understand the basics of using optical macroscopy for anode quality assessment and how this can be used to address anode production problems.

WHO ATTENDS?

This workshop is targeted for aluminum smelting production and technical staff who wish to learn how to assess the quality of anodes and butts "in-plant," in parallel with conventional laboratory testing.

INSTRUCTOR BIOS

Barry Sadler has been involved in the aluminum industry for more than 30 years in a range of positions but always with a focus on anode carbon technology. He has degrees in metallurgy and worked in research, carbon plant production management, organizational development, and corporate technical management for Comalco/Rio Tinto in Australia and New Zealand for over 20 years. Since 2002 he has been the principal of Net Carbon Consulting Pty Ltd., and provides advice, training, and support to worldwide clients on improving carbon raw material, anode, and carbon plant performance, always maintaining a strong focus on the practical application of statistical thinking and methods. Sadler has published widely on anode technology, is a regular lecturer at courses run by the University of Auckland, and has been an invited speaker at a range of conferences and meetings. He was the 2013 editor of TMS Light Metals proceedings, and has served as the chair of the TMS Aluminum Committee.

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