Insights

EN / SV / FI

Aluminium

When you choose aluminium from Hydro, it's strong, light, durable and climate efficient, making you part of a smarter and more sustainable future. Our climate strategy is to cut our CO2 emissions 30% by 2030. Our aluminium can help you meet your goals, too.

Energy

With more than a century of experience in renewable energy, Hydro is one of the top three operators of power production in Norway, and a significant market player in the Nordics and Brazil. We are responsible for developing new business opportunities for Hydro within both renewable energy, hydrogen and batteries, and we provide support to the rest of Hydro’s business areas on contracts, security of supply and energy framework conditions.

Sustainability

Our purpose is to create a more viable society by developing natural resources into products and solutions in innovative and efficient ways. Our ambition is lifting profitability and driving sustainability, creating value for all stakeholders. To tackle our global challenges, the world needs to produce and consume in new ways. We want to contribute to creating a fair society and circular economy by producing responsibly, delivering circular solutions, making net-zero aluminium by 2050 or earlier, and producing and using more renewable energy.

Careers

A world of opportunities for students, graduates and professionals. A learning culture of challenges, responsibilities and variety. A friendly work environment of knowledgeable professionals. We depend on different perspectives to build industries that matter – for a more sustainable future. With us, you’re part of a bigger story. A story shaped by you.

Investors

We are a leading aluminium and renewable energy company that has created business opportunities for more than a century by developing products, solutions and industries that address global needs and demands. We supply low-carbon aluminium to customers worldwide and offer renewable energy solutions to industries that want to power manufacturing in a greener way.

Media

Working on a story about aluminium? Press releases, photos, stories, facts and figures – you will find everything you need here.

About Hydro

Hydro is a leading industrial company committed to a sustainable future. Our purpose is to create more viable societies by developing natural resources into products and solutions in innovative and efficient ways.

Alumina

Alumina, or aluminium oxide, is the largest single cost in connection with aluminium production. Top quality alumina is required to produce quality metal with low environmental impact. The worldwide production of close to 100 millions tonnes is mainly produced from bauxite in the Bayer process.

Key features

Hardness and strength
Low heat retention and high melting point

Application areas

For production of aluminium by the Hall–Héroult process
Other industrial uses include abrasives, fillers in plastics and catalyst support for industrial catalysts

Product details

To turn bauxite into alumina, we grind the ore and mix it with lime and caustic soda, pump this mix into high-pressure containers, and heat it. The aluminium oxide we’re after is dissolved by the caustic soda, then precipitated out of this solution, washed, and heated to drive off water. What’s left is the sugar-like white powder called alumina, or aluminium oxide (Al2O3).

Alumina

Key features

Application areas

Product details

Recommended for you