e-Refinery Lunch lecture

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Tim Nijssen, Delft University of Technology, ME/P&E, Engineering Thermodynamics

Negative CO₂ emissions: flipping the flux

Abstract
A fully circular carbon economy where CO₂ is a valuable feedstock instead of a planet-endangering pollutant; it’s a scenario many of us dream of. But where do we get our CO₂ from in this society? And how do we manage our CO₂-levels on the road there?
Virtually all of IPCC’s climate scenarios in which humanity stands a chance to limit global warming to the Paris Agreement's 1.5°C goal, rely on negative emission technologies to some extent. These processes, which remove CO₂ from the atmosphere in addition to the natural sinks serve to offset emissions from hard-to-abate sectors, such as aviation, and to restore the atmospheric CO₂ concentration to pre-industrial levels. Most notable engineering solutions are Direct Air Capture (DAC), Direct Ocean Capture (DOC), and Bio-Energy with Carbon Capture and Storage (BECCS). Other, more nature-based approaches rely on enhancing natural land and sea-based sink mechanisms. In this presentation, we’ll explore what the processes and devices for these technologies might look like, some of the challenges that come with them, as well as some of my ongoing work towards overcoming those.

 

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https://www.tudelft.nl/e-refinery/online-lectures