Carbon (2 of 2) (IMAGE)

Rice University

Carbon (2 of 2)

Caption

The graph at left shows the dependence of carbon dioxide uptake at various pressures on the potassium, oxygen and hydrogen (KOH)-to-polymer (polythiophene, or Pth) weight ratio for the sorbents activated at 700 degrees Celsius by researchers at Rice University. At right, the graph determines uptake by balancing total pore volume and the KOH-to-Pth ratio. The researchers found smaller pores hold more carbon dioxide while larger pores balance uptake and methane selectivity.

Credit

Saunab Ghosh/Rice University

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