Journal ArticleDOI
The kinetics of sorption of basic dyes from aqueous solution by sphagnum moss peat
Yuh-Shan Ho,Gordon McKay +1 more
TLDR
In this paper, three basic dyes, namely, Chrysoidine, Astrazon Blue, and Astrazone Blue, were applied to sphagnum moss peat.Abstract:
The kinetics of sorption of three basic dyes, namely, Chrysoidine (BO2), Astrazon Blue (BB3) and Astrazone Blue (BB69) onto sphagnum moss peat have been investigated. The study focuses on the application of three sorption kinetic models for predicting the uptake of basic dyes. The sorption behaviour is found to be second order, based on the assumption of a pseudo-second order mechanism. The rate constant of sorption, the equilibrium capacity and initial sorption rate with the effect of various peat doses and initial dye concentrations have also been predicted.read more
Citations
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Journal ArticleDOI
Review of second-order models for adsorption systems.
TL;DR: An overview of second-order kinetic expressions is described in this paper based on the solid adsorption capacity, which shows that a pseudo-second-order rate expression has been widely applied to the Adsorption of pollutants from aqueous solutions onto adsorbents.
Journal ArticleDOI
Kinetic models of sorption: a theoretical analysis.
TL;DR: The theoretical results (derived equations) show that the observed rate constants of pseudo-first-order and pseudo-second-order models are combinations of adsorption and desorption rate constants and also initial concentration of solute.
Journal ArticleDOI
Citation review of Lagergren kinetic rate equation on adsorption reactions
TL;DR: This study presents a literature review concerning the preciseness of over 170 publications citing the original Lagergren's paper in kinetics equation for solute adsorption on various adsorbents.
Journal ArticleDOI
Equilibrium, kinetics, mechanism, and process design for the sorption of methylene blue onto rice husk
V. Vadivelan,K. Vasanth Kumar +1 more
TL;DR: Analysis of sorption data using a Boyd plot confirms that external mass transfer is the rate limiting step in the sorption process.
Journal ArticleDOI
Agricultural waste material as potential adsorbent for sequestering heavy metal ions from aqueous solutions - a review.
TL;DR: In this article, the authors provided the scattered available information on various aspects of utilization of the agricultural waste materials for heavy metal removal, which can be exploited for high efficiency and multiple reuse to enhance their applicability at industrial scale.
References
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Journal ArticleDOI
Kinetics of Adsorption on Carbon from Solution
Walter J. Weber,J. C. Morris +1 more
TL;DR: In this paper, it was shown that the rate of adsorption of persistent organic compounds on granular carbon is quite low and the rate is partially a function of the pore size distribution of the adsorbent, of the molecular size and configuration of the solute, and of the relative electrokinetic properties of adsorbate and adsorbents.
Book
Kinetics of Soil Chemical Processes
TL;DR: The application of chemical kinetics to soil systems is discussed in this paper, where the authors present a model of Inorganic and Organic Reactions in Soils, as well as the mechanisms of Rapid Reactions on Soil Constituents using Relaxation Methods.
Journal ArticleDOI
Removal of dyes from aqueous solutions by cellulosic waste orange peel
TL;DR: In this paper, the adsorption of dyes such as congo red, procion orange and rhodamine-B by waste orange peel was examined at different concentrations of dye, adsorbent dosage, agitation time and pH.