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September 26th, 2007
Nanotechnology could help bring down costs of CO2 capture
A European project called 'Nanomembranes against Global Warming' (NANOGLOWA) is attempting to find a new way of capturing CO2 emissions from power plants with the help of nanotechnology.
Nanostructured membranes could reduce carbon capture's energy consumption and costs, making it more attractive than current technology.
Europe produces one gigaton of carbon dioxide annually and wafts it into the atmosphere. Around one-third of this stems from fossil-fuelled power plants. Carbon capture and storage (CCS) could reduce those emissions by up to 90%. The idea is to store the carbon thus captured underground in, for example, empty gas fields and aquifers. Existing capture methods include absorption and non-selective cooling.
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