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Recirculating off-gas contributes to carbon capture

Recirculating off-gas contributes to carbon capture
Producing silicon results in large carbon dioxide emissions, but recirculating it can remove contaminants more efficiently.
Operators from Elkem Thamshavn are shown tapping liquid silicon from the furnace. Photo: Vegar Andersen
Every tonne of silicon we produce leads to emissions of around 5 tonnes of CO₂.
Carbon capture offers a possible solution to eliminate this emission, but the CO₂ concentration in the off-gas from the furnaces is often too low for CO₂ capture to be cost-effective.
One possible solution to reduce the cost is to increase the CO₂ concentration by recirculating the off-gas. The silicon manufacturer Elkem has collaborated with NTNU and SINTEF to test this idea in a pilot project. ....

Elkem Sinoco , Norsk Energi , Vegar Andersen , Elkem Thamshavn , Centre For Research Based Innovation , Aker Carbon Capture , Research Based Innovation , நார்ஸ்க் எனர்ஜி , ஆராய்ச்சி அடிப்படையிலானது கண்டுபிடிப்பு ,

Taking control of unmanned vessels at sea

Taking control of unmanned vessels at sea
Taking control of unmanned vessels at sea
What’s needed to be able to safely send a vessel to sea with no crew? How will these vessels detect a kayaker or a recreational boat that drifts into the course of the unmanned vessel? A new Centre for Research-Based Innovation, SFI AutoShip, will look for answers to these questions – and more.
This trio from NTNU’s Department of Design is playing a central role in the research work at the new NTNU Shore Control Centre. Left to right are research assistant Thomas Kaland, professor Ole Andreas Alsos and PhD candidate Erik Veitech. Photo: Idun Haugan / NTNU ....

Vest Agder , Norway General , Petter Mustvedt , Mary Ann Lundteigen , Egil Eide , Erik Veitch , Andreas Alsos , Idun Haugan , Thomas Kaland , Norwegian Coastal Administration , Shore Control Centre , Department Of Electronic Systems , Trondheim Maritime Centre , Communication Technology , Department Of Marine Engineering , Department Of Design , Department Of Engineering Cybernetics , Kongsberg Gruppen , Norwegian Maritime Authority , Research Council Of Norway Centre For Innovation , Natural Sciences , Trondheim Port Authority , Department Of Design Associate Professor Egil Eide , Department Of Information Security , Ole Andreas Alsos , Research Council ,