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Green production of silicon is just around the corner

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DIG DEEPER at Norwegian SciTech News:
https://norwegianscitechnews.com/2023/02/green-production-of-silicon-is-just-around-the-corner/

“We see no technical obstacles to being able to produce silicon without CO2 emissions within the next two to three years,” says Maria Wallin at NTNU.

Norway is Europe’s largest producer of aluminium and silicon. The metal industry is one of the country’s most important export industries, but also accounts for 10 per cent of its CO2 emissions.

Norway urgently needs to cut its emission levels in the current production methods in order to reach its climate targets.

NTNU has taken out a patent for an industrial process that will remove all direct emissions of CO2 and NOx. The process has been named SisAl.

Quartz is the raw material in both the traditional smelting process and using the SisAl method. With today’s technology, CO2 is formed when quartz reacts with carbon. Instead of carbon, the SisAl process uses aluminium as a reducing agent, thus avoiding the formation of CO2.

DIG DEEPER at Norwegian SciTech News:
https://norwegianscitechnews.com/2023/02/green-production-of-silicon-is-just-around-the-corner/
Category
NORWEGIAN NEWS
Tags
Norwegian sci-tech news, research news, NTNU
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