1. 0 Presenters company logo (if desired) Dubai, 29 November to 1 December 2015 ICSOBA Authors (Arial 28 or 32 bold) Affiliation (Arial 28 or 32) Presented by: Presenter’s Name (Arial 28 or 32 bold) TITLE OF PAPER (ALL CAPITALS, ARIAL 32 or 36 BOLD)

2. 1 Presenters company logo (if desired) Dubai, 29 November to 1 December 2015 ICSOBA Contents XXX YYY ZZZ

3. 2 Presenters company logo (if desired) Dubai, 29 November to 1 December 2015 ICSOBA Introduction Xxx Yyy – Aaa – Bbb Mmm Nnn – CCC Zzz

4. 3 Presenters company logo (if desired) Dubai, 29 November to 1 December 2015 ICSOBA Amperage Increase Strategy The table shows main heat balance parameters: Reduction of voltage, ACD and cathode heat loss Increase of anode assembly heat loss

5. 4 Presenters company logo (if desired) Dubai, 29 November to 1 December 2015 ICSOBA Due to good control on bath height there was rarely any rods rejected. Anode rod rejection an average percentage of 0.29 % for the period of 5 years, in which on average there were 10 rods rejected per year out of 2 593 roded anodes. Bath Height Control and Anode Stubs

6. 5 Presenters company logo (if desired) Dubai, 29 November to 1 December 2015 ICSOBA The average iron concentration in metal for entire operational period was 0.04%. Low concentration of iron in metal was established as a result of: – Good operation practices in which anode problems were reduced – Good control of bath height Pot Operation: Metal Purity

7. 6 Presenters company logo (if desired) Dubai, 29 November to 1 December 2015 ICSOBA Xxxx Yyyy Zzzz Conclusions