Dr. Alain Goeppert, Hang Zhang, Dr. Miklos Czaun, Robert B. May, Prof. G. K. Surya Prakash, Prof. George A. Olah and Prof. S. R. Narayanan Easily Regenerable Solid Adsorbents Based on Polyamines for Carbon Dioxide Capture from the Air ChemSusChem 7
As easy as breathing: Materials prepared from widely available fumed silica and polyethylenimines are used as efficient and inexpensive adsorbents for the capture of CO2 directly from the air (see picture). They can be easily regenerated under mild conditions for numerous adsorption/desorption cycles.
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