The influences of different impregnation temperatures,pre-oxidation,carbonization temperatures and activation conditions on the iodine value and carbon deviations was discussed.SEM,EDS,and BET techniques were used to ...The influences of different impregnation temperatures,pre-oxidation,carbonization temperatures and activation conditions on the iodine value and carbon deviations was discussed.SEM,EDS,and BET techniques were used to investigate the microstructures and properties of materials.Results showed that activated carbon functional ceramic exhibited excellent comprehensive properties when porous ceramics adsorbed the coal pitch at 150 ℃ for 0.5 h,oxidized at 420 ℃ for 1.0 h,and carbonizated at 700 ℃ for 1.0 h and then activated by using KOH（20wt%） as agent at 800 ℃ for 1.0 h,as confirmed by the high iodine value（162.6 mg/g） and high specific surface area（83.5 m2/g）.展开更多
基金sponsored by Fujian Scientific and Technological Department (Nos.2004I003 and 2006N0037)
文摘The influences of different impregnation temperatures,pre-oxidation,carbonization temperatures and activation conditions on the iodine value and carbon deviations was discussed.SEM,EDS,and BET techniques were used to investigate the microstructures and properties of materials.Results showed that activated carbon functional ceramic exhibited excellent comprehensive properties when porous ceramics adsorbed the coal pitch at 150 ℃ for 0.5 h,oxidized at 420 ℃ for 1.0 h,and carbonizated at 700 ℃ for 1.0 h and then activated by using KOH（20wt%） as agent at 800 ℃ for 1.0 h,as confirmed by the high iodine value（162.6 mg/g） and high specific surface area（83.5 m2/g）.
