Effect of some carbonization and activation parameters on the sorption properties of carbon adsorbents made by carbonization of pitch-polymer blends

摘要

Polymer blends (1:1 by mass) made by mixing waste poly(ethylene terephthalate), phenol-formaldehyde resin or poly(methyl methacrylate) with coal tar pitch were carbonized at 520-900 degrees C for 0.5-2.5 h under N-2, then activated with steam and/or KOH at 750-850 degrees C up to mass loss 50% and studied for iodine and methylene nos, by std. methods. The optimum conditions for the carbonization and activation were established.