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学科主题: Engineering, Chemical; Water Resources
题名: Improved adsorptive capacity of pine wood decayed by fungi Poria cocos for removal of malachite green from aqueous solutions
作者: Zhang, Hong1; Tang, Yi1; Liu, Xianan1; Ke, Zhigang1; Su, Xi1; Cai, Dongqing1; Wang, Xiangqin1; Liu, Yongding2; Huang, Qing1; Yu, Zengliang1
通讯作者: Huang, Q, POB 1126, Hefei 230031, Anhui, Peoples R China ; huangq@ipp.ac.cn ; zlyu@ipp.ac.cn
关键词: Malachite green ; Adsorption ; Brown-rotted wood ; Kinetics ; Thermodynamics
刊名: DESALINATION
发表日期: 2011-07-01
DOI: 10.1016/j.desal.2011.01.077
卷: 274, 期:1-3, 页:97-104
收录类别: SCI
文章类型: Article
部门归属: [Zhang, Hong; Tang, Yi; Liu, Xianan; Ke, Zhigang; Su, Xi; Cai, Dongqing; Wang, Xiangqin; Huang, Qing; Yu, Zengliang] Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab Ion Beam Bioengn, Hefei 230031, Anhui, Peoples R China; [Liu, Yongding] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Technology ; Physical Sciences
资助者: President Foundation of Hefei Institutes of Physical Science, Chinese Academy of Sciences [075HX24581]; National Basic Research Program of China [2007CB936602]; Chinese Academy of Sciences
类目[WOS]: Engineering, Chemical ; Water Resources
研究领域[WOS]: Engineering ; Water Resources
摘要: A novel approach to prepare adsorbent from pine tree root decayed by brown-rot fungi (BRW) has been tried for the first time to remove malachite green (MG) from aqueous solutions. The adsorption capacity of MG was increased 19.45% compared with the pine sawdust. The adsorption capacity was studied by varying the parameters such as initial dye concentration, adsorbent dose, temperature and pH value. Optimal adsorption capacity (42.63 mg/g) and rate (99.41%) was obtained at near neutral pH. Characterization of the biosorbent was performed using scanning electron microscope (SEM), energy dispersive X-ray spectroscope (EDS) and Fourier transform-infrared (FTIR) spectroscopy. The kinetic and equilibrium studies suggest that the adsorption follows Langmuir isotherm and the pseudo-second-order model. Together with the evaluation of the thermodynamic parameters such as Gibbs free energy, enthalpy and entropy, our results showed that MG adsorption onto BRW was mainly a spontaneous, endothermic and chemisorption process. (C) 2011 Elsevier B.V. All rights reserved.
英文摘要: A novel approach to prepare adsorbent from pine tree root decayed by brown-rot fungi (BRW) has been tried for the first time to remove malachite green (MG) from aqueous solutions. The adsorption capacity of MG was increased 19.45% compared with the pine sawdust. The adsorption capacity was studied by varying the parameters such as initial dye concentration, adsorbent dose, temperature and pH value. Optimal adsorption capacity (42.63 mg/g) and rate (99.41%) was obtained at near neutral pH. Characterization of the biosorbent was performed using scanning electron microscope (SEM), energy dispersive X-ray spectroscope (EDS) and Fourier transform-infrared (FTIR) spectroscopy. The kinetic and equilibrium studies suggest that the adsorption follows Langmuir isotherm and the pseudo-second-order model. Together with the evaluation of the thermodynamic parameters such as Gibbs free energy, enthalpy and entropy, our results showed that MG adsorption onto BRW was mainly a spontaneous, endothermic and chemisorption process. (C) 2011 Elsevier B.V. All rights reserved.
关键词[WOS]: WASTE-WATER ; CARBON ; DYE ; EQUILIBRIUM ; MECHANISM ; ADSORBENT ; KINETICS ; ISOTHERM ; BIOMASS ; ATTACK
语种: 英语
WOS记录号: WOS:000291282600013
ISSN号: 0011-9164
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/15660
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab Ion Beam Bioengn, Hefei 230031, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China

Recommended Citation:
Zhang, Hong; Tang, Yi; Liu, Xianan; Ke, Zhigang; Su, Xi; Cai, Dongqing; Wang, Xiangqin; Liu, Yongding; Huang, Qing; Yu, Zengliang.Improved adsorptive capacity of pine wood decayed by fungi Poria cocos for removal of malachite green from aqueous solutions,DESALINATION,2011,274(40546):97-104
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