| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Melt Processing, Casting and Recycling
|
| Presentation Title |
Dynamics of Hydrogen in Aluminium in Contact with Humid Atmosphere |
| Author(s) |
Martin Syvertsen, Halvor Dalaker |
| On-Site Speaker (Planned) |
Martin Syvertsen |
| Abstract Scope |
Most melting and holding furnaces in casthouses are heated with gas burners. These gas burners give high concentrations of water vapour in the atmosphere. The concentration of water vapour is dependent on both burner configuration and furnace design (excess air entrainment), as well as fuel. The issue will become even more relevant if more hydrogen is being used in burners in a push towards decarbonisation. High levels of water vapour have previously been shown to correlate with high levels of dissolved hydro-gen and this is supported in this article. This paper shows the dynamic transport of hydrogen absorption into the melt and hydrogen evaporation out of the melt. Mass transfer coefficients for both absorption and evaporation are presented, and the measurements show that absorption of hydrogen from water vapour into the melt is faster than evaporation. |
| Proceedings Inclusion? |
Planned: Light Metals |
| Keywords |
Aluminum, Recycling and Secondary Recovery, Sustainability |