Comparison of The Sorption Kinetics of Lead(II) and Zinc(II) on Titanium Phosphate Ion-Exchanger

The treatment of heavy metal-contaminated wastewater is an important action to reduce The negative impacts of industrial wastes on water bodies. This work focuses on The application of a low-cost titanium (IV) phosphate sorbent of TiO(OH)H PO42H O chemical composition toward lead and zinc ions depen...

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Veröffentlicht in:International journal of molecular sciences 2020-01, Vol.21 (2), p.447
Hauptverfasser: Maslova, Marina V, Ivanenko, Vladimir I, Yanicheva, Nataliya Yu, Mudruk, Natalia V
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container_issue 2
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container_title International journal of molecular sciences
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creator Maslova, Marina V
Ivanenko, Vladimir I
Yanicheva, Nataliya Yu
Mudruk, Natalia V
description The treatment of heavy metal-contaminated wastewater is an important action to reduce The negative impacts of industrial wastes on water bodies. This work focuses on The application of a low-cost titanium (IV) phosphate sorbent of TiO(OH)H PO42H O chemical composition toward lead and zinc ions depending on their concentration and The temperature of The solution. The kinetic studies showed that The values of The rate of intraparticle diffusion and The effective diffusion coefficients for Zn were considerably higher than those for Pb . To explain The difference between The sorption kinetics rates for Pb and Zn , The effective radius and dehydration degree of The adsorbed ions were calculated. The sorbent capability of The lead and zinc ion removal and its excellent efficiency in The presence of a high concentration of calcium ions were demonstrated using simulated mine water. Due to The fast kinetics and The high exchange capacity of titanium phosphate toward divalent ions, this sorbent can be considered as a promising material for The concentration and immobilization of heavy metals into The phosphate matrix.
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source MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central
subjects Acids
Calcium
Calcium ions
Chemical composition
Chemical precipitation
Dehydration
Diffusion rate
Heavy metals
Hydration
Immobilization
Industrial wastes
Ions
Kinetics
Lead
Metals
Mine waters
NMR
Nuclear magnetic resonance
Phosphates
Pollutants
Sorbents
Sorption
Titanium
Wastewater
Water treatment
Zinc
title Comparison of The Sorption Kinetics of Lead(II) and Zinc(II) on Titanium Phosphate Ion-Exchanger
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