水葫芦活性炭对亚甲基蓝吸附的动力学与热力学研究Kinetics and Thermodynamics of the Adsorption of Methylene Blue onto Water Hyacinth Activated Carbon
杨文卿;卓倩;陈锴;许丽洪;陈庆华;
摘要(Abstract):
以水葫芦活性炭为吸附剂吸附亚甲基蓝染料废水,探讨吸附剂投加量、振荡时间、pH值、温度及初始质量浓度对亚甲基蓝吸附的影响,考察水葫芦活性炭吸附亚甲基蓝的吸附等温线、动力学和热力学.结果表明,在水葫芦活性炭投加量为1 g·L-1、吸附时间为16 min、pH值为9、反应温度为30℃、亚甲基蓝初始质量浓度为160 mg·L-1的条件下,亚甲基蓝染料废水去除率最佳可达99. 7%;水葫芦活性炭对亚甲基蓝吸附符合Langmuir等温模型,且是自发的吸热过程,吸附过程与准二级动力学模型拟合较好.
关键词(KeyWords): 水葫芦活性炭;亚甲基蓝;吸附等温线;动力学;热力学
基金项目(Foundation): 福建省教育厅中青年项目(JAT160672、JAT170879)
作者(Authors): 杨文卿;卓倩;陈锴;许丽洪;陈庆华;
参考文献(References):
- [1]张小璇,叶李艺,沙勇,等.活性炭吸附法处理染料废水[J].厦门大学学报(自然科学版),2005,44(4):542-545.
- [2] MAHAPATRA K,RAMTEKE D S,PALIWAL L J. Production of activated carbon from sludge of food processing industry under controlled pyrolysis and its application for methylene blue removal[J]. Journal of Analytical&Applied Pyrolysis,2012,95(5):79-86.
- [3]徐恩兵,李坤权,朱志强,等.双孔介孔碳的合成及其对亚甲基蓝的吸附[J].环境化学,2015(1):137-143.
- [4]周露,陈君红,于飞,等.芬顿试剂法制备磁性碳纳米管及其对亚甲基蓝的吸附性能[J].环境化学,2012(5):669-676.
- [5]邓景衡,文湘华,李佳喜.碳纳米管负载纳米四氧化三铁多相类芬顿降解亚甲基蓝[J].环境科学学报,2014,34(6):1436-1442.
- [6] FAN X,ZHANG X. Adsorption properties of activated carbon from sewage sludge to alkaline-black[J]. Materials Letters,2008,62(10/11):1704-1706.
- [7] SUN R Q,SUN L B,YUAN C,et al. Catalytic performance of porous carbons obtained by chemical activation[J]. Carbon,2008,46(13):1757-1764.
- [8] KALDERIS D,BETHANIS S,PARASKEVA P,et al. Production of activated carbon from bagasse and rice husk by a single-stage chemical activation method at low retention times[J]. Bioresource Technology,2008,99(15):6809-6816.
- [9] PIS J,PARRA J,PUENTE G D L,et al. Development of macroporosity in activated carbons by effect of coal preoxidation and burn-off[J]. Fuel,1998,77(6):625-630.
- [10] LILLO-RDENAS M A,LOZANO-CASTELLD,CAZORLA-AMORS D,et al. Preparation of activated carbons from Spanish anthracite:ⅡActivation by Na OH[J]. Carbon,2001,39(5):751-759.
- [11]张本镔,刘运权,叶跃元.活性炭制备及其活化机理研究进展[J].现代化工,2014,34(3):34-39.
- [12]夏哲韬,史惠祥,殷璐.吸附-催化臭氧氧化去除印染废水中特征污染物[J].工业水处理,2012,32(5):32-34.
- [13]董磊,乔俊莲,闫丽,等.微波协同活性炭处理偶氮染料废水的研究[J].环境污染与防治,2010,32(4):34-39.
- [14] PAVAN F A,LIMA E C,DIAS S L,et al. Methylene blue biosorption from aqueous solutions by yellow passion fruit waste[J]. Journal of Hazardous Materials,2008,150(3):703-712.
- [15] WANG X,ZHU N,YIN B. Preparation of sludge-based activated carbon and its application in dye wastewater treatment[J]. Journal of Hazardous Materials,2008,153(1/2):22-27.
- [16] OZCAN A,OZCAN A S,TUNALI S,et al. Determination of the equilibrium,kinetic and thermodynamic parameters of adsorption of copper(Ⅱ)ions onto seeds of Capsicum annuum[J]. Journal of Hazardous Materials,2005,124(1/3):200-208.
- [17]刘利娥,刘金盾,韩秀丽,等.芝麻叶对亚甲基蓝吸附的动力学与热力学研究[J].化学工程,2011,39(6):40-43.
- [18]岳钦艳,解建坤,高宝玉,等.污泥活性炭对染料的吸附动力学研究[J].环境科学学报,2007,27(9):1431-1438.