1996 Volume 25 Issue 11 Pages 941-942
Chemical vapor deposition (CVD) of heterocyclic compounds was examined over commercial pitch-based active carbon fiber (ACF). The ACF treated with pyridine, pyrrole, and thiophene showed excellent preformance in the gas separation of CO2/CH4. Thermal stability of the aromatic compounds around 700 °C appears an important factor to restrict its decomposition on the pore wall where the compound is adsorbed and carbonized.
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