Afrox optimises South African aluminium processes


Afrox is consulting with several key players in the South African aluminium industry with a view to introducing an innovative new optimised oxyfuel melting process, developed by parent company, The Linde Group.

The process delivers production improvements which lead to significant cost savings and could deliver real capacity increases in the South African aluminium sector.

Following its introduction in Europe in 2005, the new proprietary ‘low-temperature oxyfuel burner process (LTOF®)’ is achieving an average 30-50% higher melt rate and in some cases, a 100% improvement in melt rate – compared with conventional air-fuel processes.

Fuel consumption is reduced by up to 50%, flue gas volumes by up to 80% and dross formation decreased as a result of more uniform heating and melting. Carbon dioxide and sulphur dioxide emissions are also cut by up to 50% and nitrogen oxide emissions are virtually eliminated.

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