Results 11 to 20 of about 51,198 (252)

Freundlich Isotherm: An Adsorption Model Complete Framework

open access: yesApplied Sciences, 2021
The absolute majority of modern studies dealing with the interpretation of experimental data on the basis of the Freundlich isotherm ignore the fact that the data obtained for regions of low and moderate adsorbate concentration/pressure can be ...
Michael Vigdorowitsch   +3 more
doaj   +2 more sources

Size-Controlled Capacity and Isocapacity Concentration in Freundlich Adsorption

open access: yesACS Omega, 2020
ACS AuthorChoiceThe Freundlich isotherm is a classic model widely used to analyze the equilibrium of solution-phase adsorption. Further analysis of the adsorption mechanism has, however, been hindered by the empirical nature of the Freundlich isotherm ...
Chongzheng Na
doaj   +2 more sources

Adsorption Optimization of Reactive Red 120 Dye from Aqueous Media using Chitosan-Coated Magnetically Nanoparticles [PDF]

open access: yesمحیط زیست و مهندسی آب, 2019
In this study, chitosan-coated magnetically nanoparticles were used to remove the Reactive Red 120 dye from aqueous solution. Chitosan is one of the most famous biological polymers that can be used as adsorbent in the removal of color pollutants ...
Ali Davoudi Rad   +2 more
doaj   +1 more source

Removal of Reactive Red 120 Azo dye from Aqueous Solution with Magnetic Nanoparticles Coated with Chitosan [PDF]

open access: yesشیمی کاربردی روز, 2020
In this research, the magnetic nanoparticles coated with chitosan have been used to remove the reactive red 120 azo dye from aqueous solution. Chitosan is one of the most well-known biopolymers that can be used as adsorbent for the removal of color ...
Zahra Hejri, Ali Hasani, Ali Davoudi Rad
doaj   +1 more source

A study on the adsorption of Direct Red 81 on pre-treated cotton fabric [PDF]

open access: yesActa Periodica Technologica
This paper describes modeling of the dyeing process of pretreated cotton fabric. The cotton fabric is scoured, bleached, and then dyed in a solution of inorganic electrolyte and direct dye Direct Red 81.
Nikodijević Milena M.
doaj   +1 more source

Comparison of Adsorption Models for Determining Potassium Behavior in of Some Selected Soil Series

open access: yesPakistan Journal of Analytical & Environmental Chemistry, 2021
Potassium (K) availability to plants varies with the adsorption characteristics of soil, to evaluate the adsorption capacity, five soil series of different characteristics were used.
Nabeel Rizwan, Qudrat Ullah Khan
doaj   +1 more source

Physical characterization and kinetic studies of Zn (II) biosorption by Morganella morganii ACZ05

open access: yesWater Science and Technology, 2022
Through this investigation, we establish the mechanism and physical characterization of zinc (II) sequestration by Morganella morganii ACZ05 strain, which was isolated and characterized from soil polluted by effluents from electroplating industries.
D. Ramya   +4 more
doaj   +1 more source

Insight into synergistic corrosion inhibition of thiourea and ZnCl2 on mild steel: Experimental and theoretical Approaches [PDF]

open access: yesJournal of Chemistry Letters
Inhibition is the commonest device used to lessen metals and alloys corrosion, especially in acidic media. The synergistic effect of ZnCl2 on the corrosion inhibition efficiency of thiourea on mild steel, in 0.5 M sulfuric acid solution, has been ...
Terngu Uzah, Idongesit Mbonu
doaj   +1 more source

Equilibrium Modeling of Astaxanthin Extraction from Haematococcus pluvialis

open access: yesIndonesian Journal of Chemistry, 2021
Astaxanthin is a natural antioxidant, and the highest content of this compound is found in Haematococcus pluvialis microalgae. Microwave-assisted extraction (MAE) is one of the environmentally friendly extraction methods and has many advantages.
Putri Restu Dewati   +4 more
doaj   +1 more source

Protein Adsorbate Biohybrids and Sequential Hystallosteric Protein Adsorption

open access: yesCurrent Directions in Biomedical Engineering, 2021
Protein adsorption on solid surfaces is characterized by multivalence, binding-unit overlap, sequential adsorption, surface allosterics, lateral interactions and pronounced adsorption-desorption hysteresis, giving rise to the sequential, hystallosteric ...
Jennissen Herbert P.
doaj   +1 more source

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