The research will enable the direct capture of CO2 gas from industries that are challenging to decarbonize. According to recent research, it is estimated that approximately 0.5% of global carbon emissions could be captured through the normal crushing process of rocks that are widely used in constru
Carbon dioxide emissions are a major contributor to global warming and climate change. They come from a variety of sources including transportation, energy production, and industrial processes. CO2 emissions trap heat in the atmosphere, leading to rising temperatures and changes in weather patterns.
The materials and construction industry accounts for 11% of global carbon emissions. More than 50 billion tonnes of rock is crushed worldwide every year and current crushing processes – standard in construction and mining – do not capture CO2. Principal investigator Professor Rebecca Lunn, from the Department of Civil & Environmental Engineering, said: “The hope is that the sector could reduce the emissions by adapting the current setups to trap carbon from polluting gas streams such as those from cement manufacture or gas-fired power stations. The global estimate is based on the assumption that Norway’s construction industry is reasonably typical.
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