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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Aluminum Reduction Technology
Presentation Title Preheat, Start-up and Early Operation of DX+ Ultra Pots at 500 kA
Author(s) Nadia Ahli, Mustafa Mustafa, Abdalla Alzarooni, Konstantin Nikandrov
On-Site Speaker (Planned) Mustafa Mustafa
Abstract Scope In Emirates Global Aluminium (EGA), the first pots were started up in 1979 in its Jebel Ali smelter (then called Dubai Aluminium - DUBAL), using Kaiser P69 cells at an amperage of 150 kA. In 2014 EGA started up its flagship, home grown DX+ Ultra technology at 450 kA. In 2017 DX+ Ultra was upgraded targeting operations at higher amperages, eventually reaching 480 kA by 2019. Now, in 2022, EGA succeeded in starting up DX+ Ultra technology at 500 kA. This was done on 5 pots in it’s Jebal Ali smelter research and development demonstration section called Eagle. This paper aims to describe some of the adjustments made from previous generation of DX+ Ultra technology to enable the additional 20 kA amperage increase and start up the pots at 500 kA. It also details some of the related challenges and results from the preheat, start-up and early operations periods
Proceedings Inclusion? Planned: Light Metals


Achieving Low Pot Failure Rate at Aditya Aluminium
Application of Cell Retrofit in GP320 Aluminum Reduction Cell Line
CFD Modelling of Solidification and Melting of Bath during Raft Formation
Dissimilar Results in Restarting Two Different Potlines
Evaluation of Methodologies for Assessment of SO3 Concentration in Industrial Off-gas
Experimental Investigation of the Alumina Cloud During Alumina Injections in Low And High Temperature Conditions
Fundamental Mass Transfer Correlations Based on Experimental and Literature Data
Fundamentals of Pot Ventilation in Aluminum Smelters
Mathematical Modelling of the Desulfurization of Electrolysis Cell Gases in a Low Temperature Reactor
Numerical Investigation of the Thermal, Electrical and Mechanical Behaviour of Aluminum Reduction Cell during Preheating Phase
Potential of Production Al-Si Green Alloys in AP18 Aluminium Reduction Cell
Preheat, Start-up and Early Operation of DX+ Ultra Pots at 500 kA
Recent Improvements to a Mathematical Model Replicating the Wave and Stream at the Bath-metal Interface
Restart of Albras’ Potline 2 – Improving Performance and Changing Paradigms
Simplified 3D MHD Model for Quick Evaluation of Aluminium Electrolysis Cell Design
The Expanded Industrial Pilot of SAMI’s NCCT+ Technology
The SY500 Potline Technology Development

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