Are the thermodynamic parameters correctly estimated in liquid-phase adsorption phenomena?

被引：243

作者：

Anastopoulos, Ioannis ^{[1
]}

Kyzas, George Z. ^{[2
,3
]}

机构：

[1] Agr Univ Athens, Dept Nat Resources & Agr Engn, Lab Soils & Agr Chem, GR-11855 Athens, Greece

[2] Aristotle Univ Thessaloniki, Dept Chem, Div Chem Technol, GR-54124 Thessaloniki, Greece

[3] Technol Educ Inst Kavala, Dept Oenol & Beverage Technol, GR-65404 Kavala, Greece

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2016年 / 218卷

关键词：

Thermodynamics; Free energy Gibbs; Enthalpy; Entropy; Adsorption; Heavy metals; Dyes; OPUNTIA-FICUS-INDICA; LOW-COST ADSORBENT; AQUEOUS-SOLUTION; ACTIVATED CARBON; METHYLENE-BLUE; MALACHITE GREEN; ISOTHERM MODELS; AGRICULTURAL WASTE; EFFICIENT REMOVAL; BATCH BIOSORPTION;

D O I：

10.1016/j.molliq.2016.02.059

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Adsorption is a promising clean water technology process. Many materials both inorganic (such as zeolite, clays) and organic (such as residues from agricultural industry) have been used for wastewater decontamination. Among different pollutants, heavy metals and dyes are considered of great interest due to their toxicity. In order to develop an effective and accurate design model for the removal of pollutants from aqueous media, adsorption kinetics, thermodynamic and equilibrium data are essential basic requirements. This review article describes all the possible ways for estimating the thermodynamic parameters. Moreover, possible flaws are also highlighted. Meta data analysis was carried out and concluded that thermodynamic studies must be taken into consideration with caution since an enthalpy-entropy compensation was observed. (c) 2016 Elsevier B.V. All rights reserved.

引用

页码：174 / 185

页数：12

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