Adsorption characteristics of methylene blue on bentonite of gansu pingliang

doi:10.1109/ICBBE.2010.5517671

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Adsorption characteristics of methylene blue on bentonite of gansu pingliang
	Wang Yi 1; Zhang Ting 1; Feng Huixia 1; Qiu Jianhui 2
	2010
会议日期	June 18, 2010 - June 20, 2010
会议地点	Chengdu, China
关键词	Aromatic compounds Bentonite Bioinformatics Biomedical engineering Dyes Enzyme kinetics Kinetics Thermodynamics Adsorption behavior Adsorption characteristic Adsorption properties Dubinin-Radushkevich Kinetics and thermodynamics Modified bentonites Pseudo second order kinetics Thermodynamic parameter
DOI	10.1109/ICBBE.2010.5517671
英文摘要	An anion surfactant modified bentonite (SDS-Bt) was synthesized and characterized in order to study the adsorption behavior and the removal of Methylene Blue (MB) dye from aqueous solutions. The adsorption properties, kinetics and thermodynamics mechanism of MB on Bt and SDS-Bt were discussed in combination with the results of experiments. Adsorption data were analyzed according to Freundlich, Langmuir, Tempkin and Dubinin-Radushkevich adsorption models. Tthe results indicate that adsorption behavior of MB on Bt and SDS-Bt at experimental temperature range are all fitted Langmuir isotherms. The comparison of natural Bt and SDS-Bt show that both adsorbent could be considered as a potential sorbets for dye in aqueous solutions and SDS-Bt was the superior capacity. The kinetic values and thermodynamic parameters show that the dye adsorptions on both samples are all exothermic and spontaneous process. The adsorption process followed pseudo-second-order kinetics, mainly governed by the external mass transport with the activated energy of 9.76 kJ·mol -1 and 5.77 kJ·mol-1 for Bt and SDS-Bt respectively. ©2010 IEEE.
会议录	2010 4th International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2010
会议录出版者	IEEE Computer Society
会议录出版地	345 E 47TH ST, NEW YORK, NY 10017 USA
语种	英语
资助项目	ChunHui program of National Ministry of Education[Z2005-1-62016]
WOS研究方向	Engineering
WOS记录号	WOS:000397260207001
内容类型	会议论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/116860]
专题	石油化工学院教务处（创新创业学院）
通讯作者	Wang Yi
作者单位	1.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou, Peoples R China 2.Akita Prefectural Univ, Fac Syst Engn, Dept Machine Intelligence & Syst Engn, Akita, Japan
推荐引用方式 GB/T 7714	Wang Yi,Zhang Ting,Feng Huixia,et al. Adsorption characteristics of methylene blue on bentonite of gansu pingliang[C]. 见:. Chengdu, China. June 18, 2010 - June 20, 2010.