Investigation of the Cr(VI) removal from aqueous solutions by stabilized iron-nanoparticles using 51Cr-tracer

Bampaiti, A.; Noli, F.; Μisaelides, P.

doi:10.1007/s10967-013-2483-1

Cited by 7 publications

(6 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Bampaiti et al, 2013 used zero-valent iron (ZVI) nanoparticles to reduce Cr(VI) to Cr(III), which then precipitates. Based on an electrochemical corrosion reaction mechanism, iron and iron compounds have been shown to be capable of reducing agents for Cr(VI) [Bampaiti et al, 2013;Simeonidis et al, 2015;Zhu et al, 2018] . This mechanism involves Cr(VI) sorption on the sorbent's surface and subsequent reduction to the less soluble and toxic Cr(III), as well as iron oxidation.…”

Section: Introductionmentioning

confidence: 99%

“…This mechanism involves Cr(VI) sorption on the sorbent's surface and subsequent reduction to the less soluble and toxic Cr(III), as well as iron oxidation. Recently, various nanoparticles such as chitosan, inorganic NPs, and carbon nanotubes, have been used to sorb hexavalent chromium from groundwater [Abuzalat et al, 2020;Acharya et al, 2021;Bampaiti et al, 2013;Farooqi et al, 2021;Gözeten and Tunç, 2022;Kaprara et al, 2017;Simeonidis et al, 2015]. Copper nanoparticles (Cu-NPs) have also recently been implemented in environmental technology.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Critical Parameters and Mechanisms of Chromium Removal from Water by Copper-Based Nanoparticles

Noli

Dafnomili

Dendrinou‐Samara

et al. 2022

Water Air Soil Pollut

View full text Add to dashboard Cite

This research aims to explore the chromium removal from water using copper-based nanoparticles. The nanoparticles were synthesized by hydrothermal method and characterized by X-ray diffraction, scanning electron microscopy, infrared spectroscopy, and X-ray photoelectron spectroscopy as well as determination of the specific surface area (SBET) and point of zero charge (PZC). The size and composition of nanoparticles are influenced by the reaction time, organic coating, and oxidizing atmosphere. Sorption experiments were carried out in aqueous solutions as well as simulated drinking water at various initial concentration, time, and temperature. Cu nanoparticles had a significant Cr uptake capacity of 3.4 mg·g−1 for Cin 1.0 mg·L−1 lowering the Cr concentration below the provisional guideline value of 50 μg·L−1. Sorption isotherms were fitted to Henry, Langmuir, and Freundlich models, whereas kinetic data were reproduced by different kinetic models. Iodide sorption experiments were carried out to explore the sorption mechanism onto Cu-NPs. Considering the biocompatibility, stability, good uptake capacity, and reusability, Cu nanoparticles could be considered as promising agents for applications in water purification.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Critical Parameters and Mechanisms of Chromium Removal from Water by Copper-Based Nanoparticles

Noli

Dafnomili

Dendrinou‐Samara

et al. 2022

Water Air Soil Pollut

View full text Add to dashboard Cite

show abstract

“…Chromium is one of the elements widely distributed in the environment [1]. The large amounts of this metal come from industrial activities like electroplating, pigment production, leather tanning, and wood processing [2,3]. The properties of chromium depend upon oxidation states and are very different.…”

Section: Introductionmentioning

confidence: 99%

Application of MnO2Resin and Dowex 1X8 manganese dioxide impregnated resin for the separation of chromium from biological samples

Zuba

Polkowska-Motrenko

2019

J Radioanal Nucl Chem

View full text Add to dashboard Cite

MnO2Resin and Dowex 1X8 manganese dioxide impregnated resin was used for chromium separation from biological samples. We examined sorption of chromium from acid solutions: hydrochloric, nitric and sulphuric in concentration range from 0.01 to 2 mol/dm3. The sorption process was evaluated by batch and column experiments. We also examined sorption of other elements in the developed systems, to check the selectivity of the process. Determination of chromium by radiochemical neutron activation analysis after separation with MnO2Resin was described.

show abstract

“…It is a part of the enzymes affecting the metabolism of glucose, the so-called glucose tolerance factor (GTF). Chromium deficiency can cause diabetes and cardiovascular diseases [ 5 , 6 ]. Hexavalent chromium has strong oxidizing properties.…”

Section: Introductionmentioning

confidence: 99%

Determination of chromium in biological materials by radiochemical neutron activation analysis (RNAA) using manganese dioxide

Kużelewska

Polkowska-Motrenko

Danko

2016

J Radioanal Nucl Chem

View full text Add to dashboard Cite

A procedure based on radiochemical neutron activation analysis was developed for the determination of chromium in biological materials. The procedure consists of irradiation of reference and test samples in a nuclear reactor, microwave sample digestion, selective and quantitative radiochemical separations of chromium and gamma-ray spectrometric measurement of 51Cr. Separation of chromium from the accompanying elements was done on the column packed with inorganic resin MnO2 Resin. Distribution coefficients of Cr, Zn, Co, Cs and Sc were determined in the system: MnO2 Resin—HCl, HNO3 and H2SO4. Accuracy of the procedure was checked by analysis of certified reference materials.

show abstract

Investigation of the Cr(VI) removal from aqueous solutions by stabilized iron-nanoparticles using 51Cr-tracer

Cited by 7 publications

References 31 publications

Critical Parameters and Mechanisms of Chromium Removal from Water by Copper-Based Nanoparticles

Critical Parameters and Mechanisms of Chromium Removal from Water by Copper-Based Nanoparticles

Application of MnO2Resin and Dowex 1X8 manganese dioxide impregnated resin for the separation of chromium from biological samples

Determination of chromium in biological materials by radiochemical neutron activation analysis (RNAA) using manganese dioxide

Contact Info

Product

Resources

About