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rxl2010: 金币+5, ★★★★★最佳答案 2017-12-19 10:43:18
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Adsorption isotherms and kinetics of acid violet 48 onto sludge-straw adsorbent


作者:Ren, XL (Ren, Xiao Li)[ 1 ] ; Lai, XH (Lai, Xue Hui)[ 1 ] ; Sun, Y (Sun, Yao)[ 1 ] ; He, DL (He, Dong Liang)[ 1 ] ; Lei, J (Lei, Juan)[ 1 ]




DESALINATION AND WATER TREATMENT



卷: 68

页: 301-309

DOI: 10.5004/dwt.2017.20411

出版年: MAR 2017

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摘要

The sludge-straw adsorbent was prepared by chemical pyrolysis and characterized by Brunauer Emmett Teller (BET), T-plot, Barrette Joynere Halenda (BJH), scanning electron microscope (SEM) and Fourier transform infrared red (FTIR) spectrometer. Batch experiments were conducted to evaluate the effect of temperature, contact time, initial dye concentration, pH and adsorbent dose. Adsorption mechanism of acid violet 48 onto the sludge-straw adsorbent had been discussed preliminarily on the basis of different kinetics and adsorption isotherm models. The results showed that the pseudo-second order adsorption mechanism was predominant. The maximum adsorption capacity obtained from Langmuir model was 833.33 mg/g at 308 K. Isotherm parameters were calculated, the results indicated that the adsorption processes were endothermic (Delta H > 0), spontaneous (Delta G < 0) and accompanied by an increase in randomness (Delta S > 0).


关键词

作者关键词:Acid violet 48; Adsorption; Isotherm; Thermodynamic; Kinetic

KeyWords PlusYE CRYSTAL VIOLET; AQUEOUS-SOLUTIONS; METHYLENE-BLUE; TEXTILE DYES; HEN FEATHER; ACTIVATED CARBON; CATIONIC DYE; PEANUT HUSK; WASTE-WATER; CONGO RED


作者信息

通讯作者地址: Ren, XL (通讯作者)



      

Taiyuan Inst Technol, Dept Environm & Safety Engn, Taiyuan 030008, Shanxi, Peoples R China.



地址:



      

[ 1 ] Taiyuan Inst Technol, Dept Environm & Safety Engn, Taiyuan 030008, Shanxi, Peoples R China



电子邮件地址:xlren66@126.com; 447960078@qq.com; 373820760@qq.com; 418631947@qq.com; 471170382@qq.com


基金资助致谢



基金资助机构

授权号



Shanxi Science and Technology Agency Research Project


2015011018



Fund for Shanxi Key Subjects Construction



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出版商

DESALINATION PUBL, 36 WALCOTT VALLEY DRIVE,, HOPKINTON, MA 01748 USA


类别 / 分类

研究方向:Engineering; Water Resources

Web of Science 类别:Engineering, Chemical; Water Resources


文献信息

文献类型:Article

语种:English

入藏号: WOS:000403569900033

ISSN: 1944-3994

eISSN: 1944-3986


其他信息

IDS 号: EX9HX

Web of Science 核心合集中的 "引用的参考文献": 42

Web of Science 核心合集中的 "被引频次": 0





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