The growth of pores in graphitized carbon reacted with carbon dioxide

✍ Scribed by W.M. Kalback; L.F. Brown; R.E. West

• Publisher: Elsevier Science
• Year: 1970
• Tongue: English
• Weight: 659 KB
• Volume: 8
• Category: Article
• ISSN: 0008-6223
• DOI: 10.1016/0008-6223(70)90106-5

✦ Synopsis

Cylinders of a very pure graphitized porous carbon were reacted to 10, 'LO and 30 per cent burnoff at 1030°C Based upon pore size distributions obtained from the unburned carbon and from radial sections of the cylinders at each percentage burnoff, the major portion of early pore development apparently occurred by preferential burning of single crystallites of carbon. This yielded pores of approximately the same size as the original carbon crystallites. These pores reached a maximum volume, whereupon further development in this range of pore sizes ceased. Burning away of the walls of the larger pores then became the major portion of the reaction.