真空化学活化杉木屑制备活性炭及产物分析  

Activated carbon prepared from Chinese fir sawdust by chemical activation under vacuum

作　　者：杨素文[1,2] 丘克强[3] 羊亿[2] 吴志平[1] 罗卫华[1] 吴宇雄[1] 成青[1] 

机构地区：[1]中南林业科技大学材料科学与工程学院,湖南长沙410004 [2]低维量子结构与调控教育部重点实验室湖南师范大学,湖南长沙410081 [3]中南大学化学化工学院,湖南长沙410083

出　　处：《中南林业科技大学学报》2011年第6期148-151,180,共5页Journal of Central South University of Forestry & Technology

基　　金：低维量子结构与调控教育部重点实验室(湖南师范大学)开放课题(No.QCQC1010);中南林业科技大学引进高层次人才启动基金(No.104-0120);中南林业科技大学校青年基金资助项目;湖南省青年骨干教师培养基金项目

摘　　要：以益阳地区某木材加工厂的废弃生物质杉木屑为原料,对其进行真空化学活化。活性炭产物微孔结构发达,微孔体积占总孔体积的90.02%;根据IUPAC(International Union of Pure and Applied Chemistry)分类,其对氮气的吸附等温线属于典型的I型吸附等温线,可以使用Langmiur方程描述;吸附平衡常数为2.70 kPa-1;标准状态下的饱和吸附量为360.81 cm3.g-1。Using Chinese fir sawdust from a wood processing plant in Yiyang area as raw materials,the experiment of biomass vacuum chemical activation to prepare activated carbon was carried out.The performance parameters of the activated carbon are as follows： the pore size distribution was mainly microporous,the microporous volume of total pore volume was 90.02%;according to IUPAC（International Union of Pure and Applied Chemistry） classification,its nitrogen adsorption isotherms was a typical I-type isotherm,which can be described by Langmiur equation;the nitrogen adsorption equilibrium constant was 2.70 kPa-1,the standard state nitrogen adsorption capacity was 360.81 cm3·g-1.

关 键 词：生物质 活性炭 孔体积 吸附等温线 饱和吸附量 吸附平衡常数 

分 类 号：TQ424.1[化学工程]