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Norsk Hydro : Hydro investing in the green transition and


The investments at the Norwegian primary aluminium plants will help Hydro take a leading role in climate efficient aluminium solutions through continued industrial development and initiatives driving the green transition. The primary aluminium plants will have an extended lifespan and the products are turned towards low-carbon aluminum for a growing market.

“We are upgrading the plants, investing in the development of the plants, and implementing new technology such as recycling, carbon capture and green hydrogen with the goal of becoming the world’s first supplier of zero-carbon aluminium. We recently entered into an agreement with Mercedes Benz for a technology collaboration, and to supply our aluminium products to support their investment in making lighter, more climate friendly electric cars,” says Ola Sæter, Head of Primary Production at Hydro.

In 2021, Hydro launched new climate ambitions to become carbon neutral by 2050, with a partial goal of having several technologies ready on an industrial scale by 2030. The company has initiated several projects to develop new technology that will help reduce emissions from aluminium production. Over the last two years, Hydro has initiated projects worth around NOK 3 billion at the Norwegian aluminium plants. The investments will contribute to reducing greenhouse gas emissions, on the way to becoming carbon-neutral by 2050.

The technology of increased recycling of post-consumer aluminium will contribute to reducing emissions faster today. In 2022, Hydro produced aluminium products for customers that were 100 percent recycled, and with near zero-carbon footprint. By introducing green hydrogen to replace natural gas, it could bring the production to zero-carbon emissions. Hydro Høyanger has tested using more post-consumer aluminium in its primary production, with good results. They are now building a special facility that will take in more post-consumer aluminium directly into the primary aluminium casthouse production, and further reduce the climate footprint for aluminium produced in Norway.

Old caviar tubes becomes new, low-carbon aluminium after recycling

The development of carbon capture, adapted to aluminium production, will be able to reduce the direct emissions at the existing primary plants. At the same time, Hydro is developing a completely new production method that will remove the emissions from the electrolysis process. The new process is called HalZero and involves replacing the current Hall-Heroult process, which was patented in 1886, and which has been gradually improved and used for almost 140 years.

“We believe that Norway, with its political system, large natural resources and highly competent workforce, gives us a good starting point for developing tomorrow’s materials and industrial processes,” says Sæter.

Maximilian van Veen, Jan Erik Abrahamsen og Jonny Manseth discussing use of post-consumer aluminium in the sheet ingot casthouse at Hydro Høyanger.

In addition to investment projects, Hydro is working on developing the skills of the work force. During the period of a weaker market for certain aluminium products, Hydro Husnes and Hydro Karmøy are doing a comprehensive skills upgrade. This involves a management development program, industrial vocational school, training in the prevention of CO2 emissions, training on various types of vehicles and training in new work tasks.

“We have a lot of activity at all our Norwegian aluminium plants and there is an exciting development of new aluminium products. It increases our flexibility to deal with challenging markets and increased demands for quality and a low-carbon footprint from customers,” says Sæter.

“Although the current aluminium market is challenging and we are entering 2023 with high inventories, we are confident that the long term development of the aluminium market will be positive. The world needs more aluminium, especially low-carbon aluminium, which we can produce. Demand for low-carbon aluminium is increasing by 20 percent annually, compared to three percent annual growth for aluminium overall. Norway, therefore, has the best conditions for us to continue to be the most important aluminium supplier in Europe. The competition is fierce and we must continue to develop the Norwegian primary aluminium plants,” says Sæter.


Examples of projects that have started at the Norwegian primary aluminium plants in 2021-2022:

Karmøy

  • Bath cleaning machine, equipment for cleaning anode material for easier maintenance and residual waste management (NOK 116 million)
  • Upgrade of the high voltage distribution network for electrolysis (NOK 205 million)
  • Relining facility for the technology pilot (NOK 55 million)

Husnes

  • Upgrade of cranes in hall A (NOK 35 million)
  • In addition, over NOK 1.5 billion was invested in the start-up of the B hall in the period before 2021

Årdal

  • New alumina silos for electrolysis (NOK 73 million)
  • Control systems for electrolysis (NOK 82 million)
  • Preheating chamber in TYA casthouse (NOK 34 million)
  • Upgrading the PFA casthouse (NOK 62 million)

Høyanger

  • Recycling plant for post-consumer aluminium (NOK 184 million)
  • Anode cover material technology project (NOK 27 million)

Sunndal

  • Power supply and upgrade of electrolysis line SU3 (NOK 845 million)
  • Electric vehicles (NOK 74 million)
  • Anode furnance upgrade (NOK 42 million)

Published: December 29, 2022



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