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How aluminium is made

Creating aluminium using electricity was first developed in 1886 and is still used to this day

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Creating aluminium

The pure form of aluminium does not naturally occur in nature, so remained largely unknown until as recently as 200 years ago. Creating aluminium using electricity was first developed in 1886 and is still used to this day.

Bauxite mining

Aluminum production starts with the raw material bauxite, an aluminium rich mineral in the form of aluminium hydroxide. There are around 29 billion tonnes of known reserves of bauxite and at the current rate of extraction, these reserves will last us more than 100 years.

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mining
  • mining

    Bauxite mining

    Aluminum production starts with the raw material bauxite, an aluminium rich mineral in the form of aluminium hydroxide. There are around 29 billion tonnes of known reserves of bauxite and at the current rate of extraction, these reserves will last us more than 100 years.

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  • refining

    Alumina refining

    Bauxite is crushed, dried and ground in special mills where it is mixed with a small amount of water. This process produces a thick paste. It is then collected in special containers and heated with steam to remove most of the silicon present in bauxites.

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  • reduction

    Reduction process

    At an aluminum smelter, alumina is poured into special reduction cells with molten cryolite at 950°C. Electric currents are then induced in the mixture at kA or above, allowing to break the bond between aluminium and oxygen atoms.

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  • production

    Primary production

    Primary production is cast into ingots. Shapes and sizes vary, depending on the needs of the clients. Once in the desired form, aluminium is then shipped to customers globally or used in the production of aluminium alloys.

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  • fabrication

    Fabrication

    Primary aluminium is developed into different products and various forms with wide applications. The most common uses of primary aluminum are extruding, rolling and casting. Aluminium characteristics allow for shaping it for an incredible variety of functions.

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  • recycling

    Recycling

    Aluminium loses none of its core properties when recycled. Approximately 75% of all the aluminium ever made is still in use. What’s more, recycling aluminium requires 5% the amount of energy needed to make new material and it can take as little as 60 days.

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Symbiotic combination of assets

Our assets are located in the heart of Siberia, next to Lake Baikal, the largest freshwater reserve in the world. This allows En+ to harness the unique potential of the Angara and Yenisey rivers. En+ Groups symbiotic combination of energy and aluminium assets allows to set industry standards in operational efficiency. We are constantly expanding and upgrading our production facilities.

En+ Group is the worlds largest producer of low carbon aluminium

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