Single and Binary Dye Adsorption of Methylene Blue and Methyl Orange in Alcohol Aqueous Solution via Rice Husk Based Activated Carbon:Kinetics and Equilibrium Studies  

作　　者：LI Ying PAN Bo MIAO Hongyan XU Humin LIU Xuefeng SHI Gang 

机构地区：[1]Key Laboratory of Synthetic and Biological Colloids,Ministry of Education,School of Chemical and Material Engineering,Jiangnan University,Wuxi 214122,P.R.China [2]School of Chemistry and Chemical Engineering,Huazhong University of Science and Technology,Wuhan 430074,P.R.China

出　　处：《Chemical Research in Chinese Universities》2020年第6期1272-1278,共7页高等学校化学研究（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.21501069);the National Key R&D Program During the 13th Five-year Plan of China(No.2016YFD0401405);the Fundamental Research Funds for the Central Universities of China(No.JUSRP51626B);MOE&SAFEA for the"111 Project"of China(No.B13025).

摘　　要：The present work was mainly focused on the single and binary adsorption of methylene blue(MB)and methyl orange(MO)from alcohol aqueous solution over rice husk based activated carbon(RHAC).The study of single dye adsorption equilibrium experiments found that the Langmuir adsorption model was consistent with the adsorption behavior of RHAC on MB and MO,indicating that it was a single layer adsorption.The adsorption behavior con-formed to the pscudo-second-order kinetic model.The binary dye adsorption experiments showed that the Lang-muir-Freundlich model could be applied to describe the adsorption behavior of RHAC on MB and MO.Comparation with the single dye system,the adsorption capacity on the binary dye system was larger,and there was"competitive adsorption"and"synergistic adsorption"effects existed.Meanwhile,the pseudo-second-order kinetic model also fit for the binary dye adsorption behavior.

关 键 词：Rice husk based activated carbon Single dye adsorption Binary dye adsorption Equilibrium adsorption model Kinetics study 

分 类 号：O64[理学—物理化学]