采用正交试验方法系统研究了活化剂、添加剂、活化温度、活化时间等因素对磷酸活化甘蔗叶制备活性炭的得率、亚甲基蓝吸附值的影响,并利用SEM对样品进行了表征.结果表明,磷酸活化甘蔗叶制备活性炭的最佳工艺为:将甘蔗叶浸泡于6％添加剂1及1％添加剂2、体积浓度为35％的磷酸溶液中,浸泡12 h后,在673 K条件下活化40 min,所制得的活性炭的微观孔结构排列整齐,活性炭的得率和亚甲基蓝吸附值分别为47.05％、202.50mg/g,其中亚甲基蓝吸附值为国家标准GB/T 13803.2-1999活性炭一级品的1.5倍.
参考文献
| [1] | Zhang SJ;Feng HM;Wang HP;Yu HQ .Structure evolution and optimization in the fabrication of PVA-based activated carbon fibers[J].Journal of Colloid and Interface Science,2008(1):96-102. |
| [2] | 朱杰文,陈向昌,郑海峰,施银桃.活性炭处理活性艳红X-3B染料废水的静态研究[J].应用化工,2007(01):7-10. |
| [3] | Murat Kilic;Esin Apaydin-Varol;Ay§e E. Pütün .Adsorptive removal of phenol from aqueous solutions on activated carbon prepared from tobacco residues: Equilibrium, kinetics and thermodynamics[J].Journal of hazardous materials,2011(1/2):397-403. |
| [4] | 廖钦洪,刘庆业,蒙冕武,赵永明,计晓梅,康彩艳,黄思玉.稻壳基活性炭的制备及其对亚甲基蓝吸附的研究[J].环境工程学报,2011(11):2447-2452. |
| [5] | Dimitrios Kalderis;Dimitrios Koutoulakis;Panagiota Paraskeva .Adsorption of polluting substances on activated carbons prepared from rice husk and sugarcane bagasse[J].Chemical engineering journal,2008(1):42-50. |
| [6] | Krishnan K A;Sreejalekshmi T S;Baiju R S .Nickel(Ⅱ)adsorption onto biomass based activated carbon obtained from sugarcane bagasse pith[J].Bioresour Techn,2011,102(22):10239. |
| [7] | 赵玲,严兴,尹平河,周铁海.甘蔗渣制取活性炭的强度和稳定性研究[J].农业环境科学学报,2009(06):1298-1301. |
| [8] | 赵永明,蒙冕武,刘庆业,廖钦洪,计晓梅,黄颖,江恩源.甘蔗渣活性炭的制备及其活化剂的回收利用[J].材料导报,2011(06):116-119. |
| [9] | Krzysztof B .Porous structure evolution of ccllulose carbon fibres duing heating in the initial activation stage[J].Fuel Proc Techn,2004,85(01):75. |
| [10] | 王正芳,郑正,罗兴章,张继彪,高顺枝,聂耳,浦君梅,李坤权.H3PO4活化法制备互花米草活性炭[J].环境化学,2011(02):530-537. |
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