Interactions of metal ions with chitosan-based sorbents: a review
TLDR
In the case of metal anions, the metal cations can be adsorbed by chelation on amine groups of chitosan in near neutral solutions as discussed by the authors.About:
This article is published in Separation and Purification Technology.The article was published on 2004-07-15 and is currently open access. It has received 1625 citations till now. The article focuses on the topics: Sorption & Plant disease.read more
Figures
Table 5 Summary table for the sorption capacities (qmax, mmol Me g−1) of some metal anions on chitosan-based materials 
Table 4 Summary table for the sorption capacities (qmax, mmol Me g−1) of some metal cations on chitosan-based materials 
Fig. 1. Structure of chitin and chitosan units. ![Table 1 Equations for the simplified modeling of intraparticle diffusion equation for flakes and beads (FATE, fractional approach to equilibrium; βi, non-zero roots of the parametric equation; α, fractional uptake at equilibrium) [200] (d and l are particle diameter and thickness of the flakes, respectively)](/figures/table-1-equations-for-the-simplified-modeling-of-2hgy97u0.png)
Table 1 Equations for the simplified modeling of intraparticle diffusion equation for flakes and beads (FATE, fractional approach to equilibrium; βi, non-zero roots of the parametric equation; α, fractional uptake at equilibrium) [200] (d and l are particle diameter and thickness of the flakes, respectively) 
Table 2 Linearization of kinetic data—simplified equations for ionexchange mechanisms using homogeneous diffusion model (HDM) and shrinking core model (SCM) with film diffusion (FD), particle diffusion (PD) and chemical reaction (CR) control (X) represents the fractional approach to equilibrium 
Table 3 Solutions of reversible and irreversible second order equation
![Table 1 Equations for the simplified modeling of intraparticle diffusion equation for flakes and beads (FATE, fractional approach to equilibrium; βi, non-zero roots of the parametric equation; α, fractional uptake at equilibrium) [200] (d and l are particle diameter and thickness of the flakes, respectively)](/figures/table-1-equations-for-the-simplified-modeling-of-2hgy97u0.webp)
Citations
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Journal ArticleDOI
Non-conventional low-cost adsorbents for dye removal: A review
TL;DR: It is evident from a literature survey of about 210 recent papers that low-cost sorbents have demonstrated outstanding removal capabilities for certain dyes, and chitosan might be a promising adsorbent for environmental and purification purposes.
Journal ArticleDOI
Application of low-cost adsorbents for dye removal – A review
V K Gupta,Suhas +1 more
TL;DR: From a comprehensive literature review, it was found that some LCAs, in addition to having wide availability, have fast kinetics and appreciable adsorption capacities too.
Journal ArticleDOI
A review on the utilization of fly ash
TL;DR: In this article, the utilization of fly ash in construction, as a low-cost adsorbent for the removal of organic compounds, flue gas and metals, light weight aggregate, mine back fill, road sub-base, and zeolite synthesis is discussed.
Journal ArticleDOI
Application of chitosan, a natural aminopolysaccharide, for dye removal from aqueous solutions by adsorption processes using batch studies: A review of recent literature
TL;DR: A review of the use of chitosan and its grafted and crosslinked derivatives for dye removal from aqueous solutions can be found in this paper, which summarizes the key advances and results that have been obtained in their decolorizing application as biosorbents.
Journal ArticleDOI
Recent developments in polysaccharide-based materials used as adsorbents in wastewater treatment
TL;DR: In this article, a review of the recent developments in the synthesis of adsorbents containing polysaccharides, in particular modified biopolymers derived from chitin, chitosan, starch and cyclodextrin, is presented.
References
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