Hydro starts aluminum production at HAL4e pilot plant; highest energy efficiency, smallest CO2 footprint

By mmillikin Hydro has started producing the first aluminium metal at its technology pilot in Karmøy, marking the start of verifying at an industrial scale the HAL4e aluminium technology. Compared to the world average, the Hydro-developed technology will use 15% less energy in aluminium production and has the lowest CO2 footprint.

Hydro began the HAL Ultra R&D initiative in 2010, with the long-term vision of being able to produce aluminium at a specific DC energy consumption of only 10 kWh/kg without net CO2 emissions. The technology pilot is designed with an annual production capacity of approximately 75,000 tonnes, consisting of 48 cells running

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