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| 微波加热方法制备活化生物质炭的研究 | |
| 引用本文： | 冒海燕,Zaher Hashisho,汪孙国,陈恒,王海燕,周定国. 微波加热方法制备活化生物质炭的研究[J]. 林产工业, 2012, 39(3): 30-34 |
| 作者姓名： | 冒海燕 Zaher Hashisho 汪孙国 陈恒 王海燕 周定国 |
| 作者单位： | 1. 南京林业大学木材工业学院,南京,210037 2. 加拿大阿尔伯特大学土木与环境工程学院,埃德蒙顿ABT6G2W2 3. 加拿大新绿生物技术有限公司(NovaGreenINC.),基拉姆市T0B 2L0 |
| 摘 要： | 笔者采用微波加热的方式以松木片为原料、KOH为活化剂制备活化生物质炭,探索了3种不同KOH/生物质炭的配比(0.5、1.5和3.0)条件下的活化生物质炭的孔结构和甲苯吸附量。甲苯吸附量的测试采用了一种简便、高效、环保和廉价的方法。结果表明,配比为3.0的活化生物质炭达到最高的比表面积2044m~2/g,微孔比表面积也达到最高值1712m~2/g。对不同浓度的甲苯进行吸附,在甲苯浓度为400ppmv时,配比为3.0的活化生物质炭显示了最大的吸附量56.0%。而对高浓度甲苯吸附,配比为3.0的活化生物质炭的吸附量则可达到71.9%,并且其吸附等温线数据能很好的拟合DQSAR吸附模型。 |
| 关 键 词： | 活化生物质炭 微波 KOH 吸附 甲苯 |
Preparation of Activated Biochar by Microwave Heating |
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| MAO Hai-yan , Zaher Hashisho , WANG Sun-guo , CHEN Heng , WANG Hai-yan , ZHOU Ding-guo. Preparation of Activated Biochar by Microwave Heating[J]. China Forest Products Industry, 2012, 39(3): 30-34 | |
| Authors: | MAO Hai-yan Zaher Hashisho WANG Sun-guo CHEN Heng WANG Hai-yan ZHOU Ding-guo |
| Affiliation: | 1 (1.College of Wood Science and Technology,Nanjing Forestry University,Nanjing 210037,China 2.Department of Civil and Environmental Engineering,University of Alberta,Edmonton,AB T6G 2W2,Canada 3.Nova Green Inc.,Killam,Alberta,TOB 2L0,Canada) |
| Abstract: | The study presents the preparation of activated biochar from pinechips by chemical activation using KOH and microwave heating.The effect of KOH/biochar mass ratio(0.5,1.5 and 3.0) on toluene adsorption capacity along with the physical characteristics of activated biochar is investigated and compared.The biochar activated under a KOH/biochar mass ratio of 3.0 shows the highest adsorption capacity of 56%at a toluene concentration of 400 ppm(v),having the greatest BET surface area of 2 044m~2/g amongst the three studied ratios.At higher concentrations of toluene,activated biochar with a KOH/biochar ratio of 3.0 reaches a higher adsorption capacity of 71.9%.Toluene adsorption isotherms investigated for all produced activated biochars with different KOH/ biochar ratios fit the QSAR isotherm equation well. |
| Keywords: | Activated biochar Microwave KOH Adsorption Toluene |
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