Adsorption of selected herbicides from aqueous solutions on activated carbon

被引：108

作者：

Derylo-Marczewska, A. ^{[1
]}

Blachnio, M. ^{[1
]}

Marczewski, A. W. ^{[1
]}

Swiatkowski, A. ^{[2
]}

Tarasiuk, B. ^{[1
]}

机构：

[1] Marie Curie Sklodowska Univ, Fac Chem, PL-20031 Lublin, Poland

[2] Mil Tech Acad, Inst Chem, PL-00908 Warsaw, Poland

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2010年 / 101卷 / 02期

关键词：

Herbicides adsorption; TG and DTA analysis; Adsorption equilibrium and kinetics; KINETIC-MODELS; SORPTION; REMOVAL; PESTICIDES; EQUILIBRIUM; SOLUTES; WATER; ACID; DYE;

D O I：

10.1007/s10973-010-0840-7

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The adsorption of MCPA and 2,4-D on the activated carbon Filtrasorb 300 was studied. The adsorption isotherms of herbicides from aqueous solutions were measured over a wide range of solute concentrations and at different temperatures. The experimental equilibrium data were analyzed by the Langmuir-Freundlich isotherm taking into account the energetic heterogeneity of adsorption system. The effect of temperature and herbicide properties on its uptake was discussed. The thermal analysis was applied in order to find the differences in herbicide interactions with carbon surface. The kinetic dependences were measured and the relations between solute properties and adsorption rate were discussed.

引用

页码：785 / 794

页数：10

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