【摘 要】
：
Using porous diatomite ceramic as carrier and phenolic resin as carbon precursor,the activated carbon functional ceramic with the activated carbon fixed into po
【机 构】
：
College of Materials Science and Engineering
【基金项目】
：
Sponsored by the 2007 Fujian University and College New Century Excellent Talent Support Program;福建省自然科学基金
论文部分内容阅读
Using porous diatomite ceramic as carrier and phenolic resin as carbon precursor,the activated carbon functional ceramic with the activated carbon fixed into porous ceramic was prepared by the impregnation load phenolic resin,carbonization and activation isolated air.The influences of impregnation,curing,carbonization,activation etc.on the material property were discussed.The iodine value,SEM,elemental analyzer,BET and spectrum analysis chart were used to characterize the microstructures and performance of material at different conditions.The results showed that the excellent comprehensive property of activated carbon functional ceramic was gained when it adsorbed phenolic resin in 4 h under vacuum condition at curing temperature of 150 ℃ for 0.5 h and carbonization temperature of 600 ℃ for 1.0 h,and then put into 25wt% KOH for 4.0 h at activation temperature of 700 ℃ for 1.5 h.The iodine value is 176.9 mg/g,the specific surface area can reach 86.3 m2/g and the yield of carbonization is 50.48%.
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