以木屑热裂解的生物质炭为原料,氢氧化钾为活化剂,采用化学活化法制备活性炭,探讨了碱炭比、活化温度和活化时间对活性炭吸附亚甲基蓝吸附值的影响.利用N2吸附实验、XRD和FTIR等实验技术,对原料与制备活性炭的结构与性能进行了表征.结果表明,在碱炭质量比为1.5、活化温度750℃、活化时间2h的条件下,所制备的活性炭对亚甲基蓝吸附值为255 mg/g,BET总比表面积为1514 m2/g,中孔比表面积为110 m2/g,吸附总孔容为0.821 cm3/g,中孔孔容为0.117 cm3/g,吸附平均孔径为2.170nm.
参考文献
| [1] | CHEN Xi,HAN Zhiqun,KONG Fanhua,et al.Exploitation and Utilization of Bio-Energy[J].Prog Chem,2007,19 (7/8):1091-1097(in Chinese).陈曦,韩志群,孔繁华,等.生物质能源的开发与利用[J].化学进展,2007,19(7/8):1091-1097. |
| [2] | CHEN Jian,LI Tingchen,YAN Yongjie,et al.Preparation of Activated Carbon from the Residual Carbon Obtained by Fast Pyrolysis of Biomass[J].J East China Univ Sci Technol(Nat Sci Edn),2005,31(6):821-824(in Chinese).陈健,李庭琛,颜涌捷,等.生物质裂解残炭制备活性炭[J].华东理工大学学报(自然科学版),2005,31(6):821-824. |
| [3] | Borrego A G,Garavaglia L,Kalkreuth W D.Characteristics of High Heating Rate Biomass Chars Prepared under N2 and CO2 Atmospheres[J].Int J Coal Geol,2009,77(3/4):409-415. |
| [4] | XU Junming,DAI Weidi,XU Yu,et al.Conditions of Rice Husk Fast Pyrolysis in Fluidized Bed and Its Product Analysis[J].Biomass Chem Eng,2011,45(4):23-26(in Chinese).徐俊明,戴伟娣,许玉,等.稻壳快速热解制备生物油条件探索及产物分析[J].生物质化学工程,2011,45(4):23-26. |
| [5] | CHEN Yong,ZHOU Liujiang,HONG Yuzhen,et al.Preparation of High-Surface-Area Activated Carbon from Coconut Shell Fibers[J].New Carbon Mater,2010,25(2):151-155(in Chinese).陈永,周柳江,洪玉珍,等.椰壳纤维基高比表面积中孔活性炭的制备[J].新型炭材料,2010,25(2):151-155. |
| [6] | ZHANG Lita,CHANG Jianmin,REN Xueyong,et al.Process and Structure Characterization of Activated Carbon Made from Fast Pyrolysis Char of Larch[J].J Northeast Forestry Univ,2011,39(4):96-98(in Chinese).张立塔,常建民,任学勇,等.落叶松木屑快速热解炭制备活性炭工艺及结构表征[J].东北林业大学学报,2011,39(4):96-98. |
| [7] | Marion C,Ailsa G H,Omit U,et al.Production of Char from Vacuum Pyrolysis of South-African Sugar Cane Bagasse and Its Characterization as Activated Carbon and Biochar[J].J Anal Appl Pyrolysis,2012,96:24-32. |
| [8] | WANG Xiufang,ZHANG Huiping,CHEN Huanqin.Preparation and Characterization of High Specific Surface Area Activated Carbon from Bamboo by Chemical Activation with KOH[J].Funct Mater,2006,37(4):675-679(in Chinese).王秀芳,张会平,陈焕钦.KOH活化法高比表面积竹质活性炭的制备与表征[J].功能材料,2006,37(4):675-679. |
| [9] | ZHANG Huiping,XIAO Xinyan,YANG Lichun.Preparation of Activated Carbon from Carbonized Coconut Shell by K2 CO3 Chemical Activation[J].J South China Univ Technol (Nat Sci Edn),2006,34 (3):63-66 (in Chinese).张会平,肖新颜,杨立春.K2CO3活化法制备椰壳活性炭[J].华南理工大学学报(自然科学版),2006,34(3):63-66. |
| [10] | WANG Yuxin,LIU Congmin,ZHOU Yaping.Preparation of Mesopore Enriched Bamboo Activated Carbon and Its Adsorptive Applications Study[J].Funct Mater,2008,39 (3):420-243 (in Chinese).王玉新,刘聪敏,周亚平.竹质中孔活性炭的制备及其吸附性能研究[J].功能材料,2008,39 (3):420-423. |
| [11] | ZHONG Zhaoping,ZHANG Jubing,GUO Houkun,et al.Bamboo-Based Activated Carbon for DCFC Prepared by KOH Activation[J].J Eng Thermophys,2011,32(12):2156-2159(in Chinese).仲兆平,张居兵,郭厚焜,等.KOH活化制备直接碳燃料电池用竹炭[J].工程热物理学报,2011,32(12):2156-2159. |
| [12] | Zhang B H,Ren J W,Gu X,et al.A Method for the Preparation of Activated Carbon Based Carbon/carbonaceous Composites with Controllable Surface Functionality[J].J Porous Mater,2011,18(6):743-750. |
| [13] | Lua A C,Yang T.Characteristics of Activated Carbon Prepared from Pistachio-nut Shell by Zinc Chloride Activation under Nitrogen and Vacuum Conditions[J].J Colloid Interface Sci,2005,290:505-513. |
| [14] | HAN Lei,YANG Ru,LIU Guoqiang,et al.Texture and Hydrogen Adsorption of Activated Carbons Based on Hemp Stems[J].Chinese J Inorg Chem,2009,25(12):2097-2104(in Chinese).韩磊,杨儒,刘国强,等.汉麻杆基活性炭表面结构与储氢性能的研究[J].无机化学学报,2009,25(12):2097-2104. |
| [15] | MA Chengyu,XIONG Huizhen,SONG Xinshan.Preparation and Characterization of Eggplant Stalk Activated Carbon by Zinc Chloride[J].Funct Mater,2012,43(3):342-345(in Chinese).马承愚,熊慧珍,宋新山.ZnCl2活化茄子秸秆制备活性炭及表征[J].功能材料,2012,43(3):342-345. |
| [16] | LI Yanqiu,LI Kaixi,SUN Guohua,et al.Synthesis and Characterization of Activated Carbon with a High Mesoporosity[J].Funct Mater,2011,26 (2):130-135 (in Chinese).李艳秋,李开喜,孙国华,等.高中孔率活性炭的制备与表征[J].新型炭材料,2011,26(2):130-135. |
| [17] | REN Ailing,WANG Qishan,GUO Bin.Structure Characterization and Surface Fractal Analysis of Sludge Activated Carbon[J].Acta Chim Sin,2006,64(10):1068-1072(in Chinese).任爱玲,王启山,郭斌.污泥活性炭的结构特征及表面分形分析[J].化学学报,2006,64(10):1068-1072. |
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