刘晓红;王芳;王任震;吕俊芳;

• 1:延安大学化学与化工学院

摘要(Abstract)：

吸附法因具有处理设备简单、无二次污染等优点广泛应用于废水处理中。以核桃果皮基活性炭为吸附剂,研究其对苯酚吸附的热力学性质。结果表明,温度对吸附无显著影响,在20⁶0℃范围内,随温度升高,吸附量略有减小;苯酚溶液在酸性至中性条件下的吸附去除率较高。吸附符合经典的Langmuir与Freundlich等温方程,并存在吸附剂和吸附质浓度效应,Langmuir与Freundlich等温方程参数不确定为常数,而是随吸附质质量浓度ρ0和吸附剂质量浓度W0变化而变化。研究表明,核桃果皮基活性炭能高效、快速地吸附去除苯酚,是一种有应用前景的净水材料。

关键词(KeyWords)： 环境工程学;应用化学;核桃果皮;活性炭;苯酚;吸附;热力学

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(21377107);; 陕西省科技厅项目(2012JQ7012);; 陕西省教育厅项目(11JK0758);; 延安市科技项目(2013-KZDG11)

作者(Authors): 刘晓红;王芳;王任震;吕俊芳;

参考文献(References)：

• [1]ZUO Weiyuan(左卫元),TONG Haijuan(仝海娟),SHI Bingfang(史兵方).Adsorption of formaldehyde by iron-modified activated carbon[J].Journal of Safety and Environment(安全与环境学报),2015,15(1):188-192.
• [2]MA Dongzhu(马东祝),LI Jian(李坚),WANG Hongming(王洪明),et al.Experimental study for separating CH4/N2by using Sr modified coconut shell activated carbon[J].Journal of Safety and Environment(安全与环境学报),2014,14(5):170-173.
• [3]SUN Y,WEBLEY P A.Preparation of activated carbons with large specific surface areas from biomass corncob and their adsorption equilibrium for methane,carbon dioxide,nitrogen,and hydrogen[J].Industrial&Engineering Chemistry Research,2011,50(15):9286-9294.
• [4]CHANG H Y,YUN H P,CHONG R P.Effect of pre-carbonization on porosity development of activated carbons from rice straw[J].Carbon,2001,39(4):559-567.
• [5]YUE Qinyan(岳钦艳),YANG Jing(杨晶),GAO Baoyu(高宝玉),et al.Adsorption characteristics of phenol compounds in water by activated carbon fiber[J].Environmental Science(环境科学),2008,29(10):2862-2867.
• [6]HAN Bin(韩彬),XUE Gang(薛罡),RONG Da(荣达),et al.Studies on adsorption properties of activated carbon of rice straw on phenol and methylene blue[J].Journal of Anhui Agriculture Science(安徽农业科学),2009,37(7):3196-3199.
• [7]ZHANG Xiaoyan(张晓艳).Factors affecting adsorption of phenol on activated carbon fiber[J].Journal of Jilin Normal University:Natural Science Edition(吉林师范大学学报:自然科学版),2010,11(4):69-72.
• [8]WANG Hongbin(王红斌),YANG Min(杨敏),CHEN Yijian(陈毅坚),et al.Study on thermodynamics of phenol adsorption from aqueous solution with activated carbon[J].Journal of Yunnan University for Nationalities:Natural Sciences Edition(云南民族大学学报:自然科学版),2003,12(4):220-223.
• [9]ZHANG Ruijian(张锐坚),HUANG Shaobin(黄少斌),CUI Bin(崔彬).Tests on treatment of phenol polluted water with PAC adsorption[J].Environmental Science and Management(环境科学与管理),2012,37(2):72-75.
• [10]ZHU Jinfeng(朱金凤),WANG Sanfan(王三反),LU Jiongyuan(卢炯元).Phenol adsorption on activated carbons and their regeneration performance by ultrasonic[J].Chinese Journal of Environmental Engineering(环境工程学报),2013,7(2):613-616.