| Linde is the market leader of innovative gas solutions for the aluminium industry. Our industry-leading portfolio ranges from gases and equipment to process consulting and services.
The focus is in particular on the use of oxygen to enhance the combustion process increase efficiencies and reduce emission. Our Oxyfuel solution includes a wide range of oxyfuel burners and technologies. In over 130 installations, these applications have increases melting rates by as much as 100%, reduced fuel consumption by up to 50 % and cut fuel gas and emission by anything up to 90 %.
We also employ a wide range of inert gases to optimize results and cut production cost. Gas purging improves the quality of the final product by degassing, removing inclusions and homogenizing.
Other practical examples of how we put inert gas to good use include annealing, dross cooling and extrusion. We use a protective nitrogen atmosphere to anneal aluminium coils, this reducing oxidation and discoloration. And for dross cooling an inert atmosphere enhance the metal yield by preventing oxidation. Liquid nitrogen has also been shown to improve quality and productivity in extrusion die cooling.
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