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Researchers at the University of Calgary in Canada have developed a new process for recovering the alkaline solution that enables wet scrubbing systems to capture carbon dioxide from air. The technique appears to be better than conventional chemical recovery processes because it requires much less energy, so it’s more economical.
Atmospheric concentrations of greenhouse gases like carbon dioxide must be lowered if we are to avoid dangerous climate change. The concentration of carbon dioxide, one of the most important greenhouse gases, has increased from 280 ppm in pre-industrial times to more than 380 ppm today. And global emissions of carbon dioxide are increasing by more than 3% per year, which means that the concentration of the gas is increasing by more than 2 ppm a year.
Most carbon capture and storage technologies aim to remove carbon dioxide at its source
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