苯胺在竹炭上的吸附行为研究  

The Adsorption Behavior of Aniline in Bamboo-charcoal

作　　者：周云龙[1,2] 池毓务[1] 胡志彪[2] 谢天阳[2] 罗小兵[2] 

机构地区：[1]福州大学化学化工学院,福建福州350108 [2]龙岩学院化学与材料学院,福建龙岩364000

出　　处：《龙岩学院学报》2009年第2期52-54,119,共4页Journal of Longyan University

基　　金：福建省青年人才项目(2007F3076);福建省教育厅A类项目资助(JA07173)

摘　　要：研究溶液的pH值与初始浓度、竹炭用量、吸附时间以及温度等因素对竹炭吸附苯胺的吸附性能影响,结果表明:竹炭对苯胺有较强的吸附作用,按苯胺与竹炭质量比为1:980投加竹炭,苯胺去除率达到93%以上;苯胺溶液pH值在8～9时,竹炭能够很好地适应苯胺初始浓度的变化,对其保持较好的去除率,同时,能在120min内达到吸附平衡;竹炭对苯胺溶液等温吸附服从Freundlich方程式,在70℃左右容易进行,吸附效果好。竹炭可作为理想的去除苯胺的吸附材料。The adsorption properties of bamboo-charcoal for aniline solution were studied. Effects of some factors, such as pH and initial concentration of the solution, quantity of bamboo-charcoal, absorbing time, temperature, on the removing of aniline from water solution were investigated. The results show that the bamboo- charcoal has strong adsorption to the aniline. The removal rate can reach 93% or more if the mass ratio of bamboo-charcoal to aniline is 980：1. Meanwhile, the adsorption behavior of bamboo-charcoal can properly adapt to the changing of the initial concentration of aniline when pH value is between 8-9 so it can keep the absorption for aniline in a good level and the absorption will be in balance in 120 minutes. The isothermal adsorption behaviors of the bamboo-charcoal for aniline follows the Freundlich equation. The results also show the adsorption of bamboo-charcoal for aniline is easier at 70℃ with better adsorption effects. The conclusion is that bamboo-charcoal is an ideal absorption material for removing aniline.

关 键 词：竹炭 吸附 苯胺 

分 类 号：TQ424.1[化学工程]