Recently, the research team led by George Olah, a professor at the University of Southern California and the 1994 Nobel Prize winner in chemistry, successfully developed a carbon dioxide high-absorbent material based on polyethyleneimine.
The researchers first dissolved the polyethylene imine into a methanol solvent, then poured the solution into a silica (glass) material in a melt gasification state and stirred. After the methanol was evaporated and the silica was cooled, a porous solid material was formed. After testing, the carbon dioxide adsorption rate of this material at room temperature is 1.72 nmol/g, which is the highest so far. When it is heated to 85°C, carbon dioxide is completely released and the material can be put back into use. Experts believe that this kind of material helps combat climate change, and the pure carbon dioxide that is collected and recovered from it can be combined with the hydrogenation from seawater to produce fuel methanol.
The researchers first dissolved the polyethylene imine into a methanol solvent, then poured the solution into a silica (glass) material in a melt gasification state and stirred. After the methanol was evaporated and the silica was cooled, a porous solid material was formed. After testing, the carbon dioxide adsorption rate of this material at room temperature is 1.72 nmol/g, which is the highest so far. When it is heated to 85°C, carbon dioxide is completely released and the material can be put back into use. Experts believe that this kind of material helps combat climate change, and the pure carbon dioxide that is collected and recovered from it can be combined with the hydrogenation from seawater to produce fuel methanol.
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