Aluminium cast house technology XI : selected, peer reviewed by John A Taylor; John F Grandfield; A Prasad

By John A Taylor; John F Grandfield; A Prasad

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Extra info for Aluminium cast house technology XI : selected, peer reviewed papers from the international conference, organised by the CAST CRC, on behalf of the aluminium industry : it was held from 13-16 September, 2009, on the Gold Coast, Queensland, Australia

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Taylor, J. F. Grandfield, A. Prasad 33 Opportunities for CO2 Emission Reduction It appears from this analysis that cast house activities can make up to 5% of total GHG emissions associated with primary aluminium production. Reduction in dross generation and an increase in melt recovery seem to be a high priority in terms of reducing GHG for cast house operations for both case and case 2. Increasing furnace energy efficiency will also lead to reduced GHG emissions. , eliminate the furnaces and the energy and materials consumed there.

The impact categories that have been selected to report the study are global warming potential (GWP) that deals with the emission of GHG emissions and energy consumption due to their importance for the aluminium industry. The life cycle impact and any comparison is expressed in terms of annual operation for each cast house and on a per tonne basis. Product System, System Boundaries and Assumptions For case 1, the assumed layout is 8 holding furnaces feeding 4 ingot casting conveyors (Figure 1).

The life cycle impact and any comparison is expressed in terms of annual operation for each cast house and on a per tonne basis. Product System, System Boundaries and Assumptions For case 1, the assumed layout is 8 holding furnaces feeding 4 ingot casting conveyors (Figure 1). Liquid metal is delivered from the reduction cells to the furnaces. For the production of Al-7% Si alloy ingots silicon is added to the furnace. The Al-Si alloy product is assumed to be degassed with argon and filtered inline.

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