Effective Removal of Chromium (VI) Ions from Tannery Effluent using Chitosan-Alumina Composite

Kabiraz, Mrinal Kanti; Jahan, Israt; Masum, Shah Md.; Islam, M.-D.; Hassan, Seham Y.; Saha, Badhan; Nur, Husna Parvin

doi:10.9734/irjpac/2016/21856

Cited by 8 publications

(2 citation statements)

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“…The authors hypothesized that the ionically cross-linked CS NPs would be more biocompatible than the covalently cross-linked CS NPs [135,136]. The X-ray diffraction (XRD) patterns revealed that the iron oxide NPs had a crystalline structure, whereas the CS coating gave a noisy amorphous peak indicative of a noncrystalline material [137]. Crystallite size as measured from X-ray powder diffraction was about 13.4 nm, confirming its usefulness for biomedical applications.…”

Section: Biocomposites From Iron Nanoparticles-biopolymersmentioning

confidence: 99%

Nanoparticles for Hyperthermia Applications

Gutiérrez

Álvarez

2018

Handbook of Nanomaterials for Industrial Applications

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Section: Biocomposites From Iron Nanoparticles-biopolymersmentioning

confidence: 99%

Nanoparticles for Hyperthermia Applications

Gutiérrez

Álvarez

2018

Handbook of Nanomaterials for Industrial Applications

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“…There are some techniques for waste water treatment such as precipitation (Shen et al, 2009), evaporation, solvent attraction, ion exchange, reverse osmosis, filtration (Hijnen et al, 2010), adsorption (Kleinet al, 2013;Siraj et al, 2012;Kabiraz et al, 2016), coagulation (Katsoylannis and Zouboulis, 2006) and soon. Adsorption technique is one of the most important techniques for heavy metal removal from water.…”

Section: Introductionmentioning

confidence: 99%

Magnetite (Fe3O4) nanoparticles for chromium removal

Hossain

Begum

Shahjahan

et al. 2018

Bangladesh J. Sci. Ind. Res.

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Magnetite (Fe3O4) nanoparticles were synthesized by sol-gel method using ferric nitrate and ethylene glycol as precursors at 250ºC and 300ºC. X-ray diffraction (XRD) study was used to determine the particle size and structural properties. The microstructural and particle size analysis were carried out using scanning electron microscope (SEM). Magnetite (Fe3O4) nanoparticles were annealed at 250ºC obtained as smaller crystal size than that of 300ºC. Fourier Transform Infrared (FTIR) spectroscopy was used to identify the functional groups of active compound in synthesized magnetite nanoparticles and their corresponding bands were observed in the region between 500cm-1 and 4000cm-1 of infrared radiation. The observed peaks at wave number 574cm-1 and 424cm-1 due to the vibration of tetrahedral and octahedral sites which is indicative the formation of spinel structure of magnetite (Fe3O4). Removal of Cr was found 80% by the synthesized magnetite (Fe3O4) nanoparticles 25g/L at pH 4.0 and contact time was 250 minutes. The results showed that prepared magnetite (Fe3O4) nanoparticles can be used for the treatment of wastewater containing chromium.Bangladesh J. Sci. Ind. Res.53(3), 219-224, 2018

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