[Breakthrough characteristics of dimethyl phthalate in granular activated carbon]

[Breakthrough characteristics of dimethyl phthalate in granular activated carbon] Research Abstract Details 

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[Breakthrough characteristics of dimethyl phthalate in granular activated carbon] Abstract Text:

Xiao-Feng Sun,Nai-Yun Gao,Bin Xu,Sui-Qing Liu,Jian-Fu Zhao,Ran Ning,Xiao-Feng Sun,Nai-Yun Gao,Bin Xu,Sui-Qing Liu,Jian-Fu Zhao,Ran Ning,

The dynamic adsorption characteristics of dimethyl phthalate (DMP) in water by granular activated carbon (GAC) were investigated. A series of column tests were conducted to determine the breakthrough characteristics, with effects of various water flow rate (0.65 - 4 mL x min(-1)), particle diameter of GAC (550 - 1 250 microm), influent concentration of DMP (50 - 400 mg x L(-1)), and quantity of GAC (0.75 - 1.4 g) taken into consideration. As a matter of fact, the high DMP adsorption capacity could be achieved by GAC, and the Yoon-Nelson model was found to fit the breakthrough curves well under all the conditions; the dynamic adsorption capacity decreased with increasing water flow rates or particle diameter of GAC, but increased with growing influent concentrations of DMP or quantity of GAC on the contrary. The values of breakthrough parameters of Yoon-Nelson model, such as K', T, breakthrough time (t1) and balance time (t2) were obtained by experimental data through calculation. On the basis of the relations between every influencing factors and above parameters of Yoon-Nelson model, taking influence factors and breakthrough time into account, the dynamic model were set up, which can be used to indicate the relationship between the effluent concentration of DMP from GAC column and breakthrough time under different initial parameters.

[Breakthrough characteristics of dimethyl phthalate in granular activated carbon] Publishing Authors By Initials

XF Sun,NY Gao,B Xu,SQ Liu,JF Zhao,R Ning,XF Sun,NY Gao,B Xu,SQ Liu,JF Zhao,R Ning,

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[Breakthrough characteristics of dimethyl phthalate in granular activated carbon] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Huan jing ke xue= Huanjing kexue / [bian ji, Zhong

VOLUME: 28

Page Numbers: 1738-45

Journal Abbreviation: Huan Jing Ke Xue

ISSN: 0250-3301

DAY: 10

MONTH: Aug

YEAR: 2007

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LANGUAGE: chi

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AFFILIATION: State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China. housxf376@126.com

Country: China

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MEDLINETA: Huan Jing Ke Xue

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