Kinetics, equilibrium and thermodynamics of dyes adsorption onto modified chitosan: a review

被引：11
|
作者：
Kausar, Abida [2 ]
Naeem, Kashaf [2 ]
Iqbal, Munawar [1 ]
Nazli, Zill-i-Huma [2 ]
Bhatti, Haq N. [3 ]
Ashraf, Aisha [2 ]
Nazir, Arif [1 ]
Kusuma, Heri S. [4 ]
Khan, Muhammad I. [5 ]
机构：
[1] Univ Lahore, Dept Chem, Lahore 53700, Pakistan
[2] Govt Coll Women Univ Faisalabad, Dept Chem, Faisalabad, Pakistan
[3] Univ Agr Faisalabad, Dept Chem, Faisalabad 38040, Pakistan
[4] Univ Nusa Cendana, Fac Educ & Teachers Training, Dept Chem Educ, Analyt Chem Res Grp, Kupang 85001, Nusa Tenggara T, Indonesia
[5] Univ Lahore, Dept Phys, Lahore 53700, Pakistan
来源：
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 2021年
关键词：
adsorption; biopolymers; equilibrium; kinetics; modified chitosan; thermodynamics; LOW-COST ADSORBENTS; REACTIVE BLUE 4; LEMNA-GIBBA L; METHYLENE-BLUE; WASTE-WATER; AQUEOUS-SOLUTION; CATIONIC DYE; CHEMICAL-MODIFICATION; ERIOBOTRYA-JAPONICA; EFFICIENT REMOVAL;
D O I：
10.1515/zpc-2019-1586
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：
In view of promising sorption capacity, stability, biodegradability, cost-effectiveness, environmental friendly nature, regeneration and recycling ability, the chitosan (CS) based adsorbents are highly efficient for the sequestration of dyes. Since CS offers variable chemical structures and CS have been modified by incorporating different moieties. The CS composites with unique properties have been employed successfully for dye adsorption with reasonably high adsorption capacity versus other similar adsorbents. Modifications of CS were promising for the preparation of composites that are extensively studied for their adsorption capacities for various dyes. This review highlights the CS and its modification and their applications for the adsorption of dyes. The removal capacities of CS-based adsorbents, equilibrium modeling, kinetics studies and the thermodynamic characteristics are reported. Moreover, the FTIR, BET, SEM, TGA and XRD were employed for the characterization of CS modified adsorbents are also discussed. Results revealed that the modified CS is highly efficient and can be employed for the sequestration of dyes from effluents.
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页数：40
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