两步法制备椰壳基微孔活性炭.pdf

Chinese J．Chem．Eng．，14(2)266—269(2006) RESEARCHNOTES fromRawCoconut of ActivatedCarbon Microporous Preparation Shell Procedure。 byTwo．step su ZHOU wei(苏伟)8，ZHOULi(周理)”+andYaping()目亚平)6 8 Research ofChemical and Chemical Center,SchoolEngineeringTechnology,TianjinUniversity Engineering nanjin300072，China 6 of of 300072，China DepartmentChemistry,SchoolScience，TianjniUniversity,Tianjin carbonfromrawco— Anovel wasusedtomanufacture activated Abstraet two—stepprocedure microporous this rawcoconutshell inallinertenvironmentto be。 conutshell．In was(1)heated temperatures process，tlle and tween450C850。C，and 3kPa)forsometime，and(2)heatedagainhihi一 reactedwithoxygen(P．=1．1—5 ”2 all carbonActivatedcarbonswith err toactivation activated environment produce specific temperature(850C)to the 24％and28％．Itwasshownthat surfacearea than weremanufacturedwithavieldbetween greater700mLg_1 wascalculateda method anan-owdistributionof lessthanlnm，which carbonhad poresize．possibly bysimple basedonlocal function