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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Aluminum Reduction Technology
Presentation Title Fundamentals of Pot Ventilation in Aluminum Smelters
Author(s) Diego Oitaben, Samaneh Poursaman, Stephen J. Lindsay
On-Site Speaker (Planned) Diego Oitaben
Abstract Scope The gases generated at the electrolytic cells (or pots) of modern aluminum smelters are collected with a network of ducts that connect each of the pots to a scrubber in order to keep the overall emissions to targets that are below regulatory limits. This pot ventilation has also an effect on the cell thermal balance and minimizes the exposure of workers to the pollutants from the pots. This paper explains the fundamentals of this ventilation process and describes a simplified approach for a quick verification of the gas flow at each pot. The paper also proposes a procedure for balancing the pot flows, which is the most basic practice for an optimum performance of the pot ventilation system.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Process Technology, Environmental Effects


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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