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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Aluminum Reduction Technology
Presentation Title The Expanded Industrial Pilot of SAMI’s NCCT+ Technology
Author(s) Xi Cao, Yafeng Liu, Hongwu Hu, Xuan Wang, Jinlong Hou, Wei Liu, Kangjian Sun, Michael A. Ren
On-Site Speaker (Planned) Michael A. Ren
Abstract Scope Shenyang Aluminum and Magnesium Engineering and Research Institute Co. Ltd (SAMI) has carried out a series of technical research and experiments since 2015 to develop a more environment-friendly and energy-efficient aluminum reduction technology. By adopting the technical route of improving MHD stability while reducing cathode voltage drop, SAMI's New Conceptual Cathode Technology namely NCCT Technology has been developed. In 2019, this technology has been applied and verified in Indonesian INALUM aluminum smelter’s upgrade project. Since then, an expanded industrial test was implemented on two SY500 potlines in 2021 and a newer version of NCCT Technology has been developed, called NCCT+ Technology. Statistical data over the past year demonstrates that energy consumption of NCCT Technology is < 12,300 kWh/t Al, while that of the NCCT+ Technology is < 12,200 kWh/t Al. Both these technologies provide strong technical support for aluminum industry to upgrade existing low-amp reduction cells for better carbon emission.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Other, Other


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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