Sources and toxicity of hexavalent chromium

R Saha, R Nandi, B Saha - Journal of Coordination Chemistry, 2011 - Taylor & Francis
Chromium exists in oxidation states ranging from− IV to+ VI, inclusively. The compounds
exhibit a wide range of geometries including square planar, tetrahedral, octahedral, and …

Kinetics of adsorption of metal ions on inorganic materials: a review

SS Gupta, KG Bhattacharyya - Advances in colloid and interface science, 2011 - Elsevier
It is necessary to establish the rate law of adsorbate–adsorbent interactions to understand
the mechanism by which the solute accumulates on the surface of a solid and gets adsorbed …

[HTML][HTML] Nanoplastics adsorption and removal efficiency by granular activated carbon used in drinking water treatment process

LR Arenas, SR Gentile, S Zimmermann… - Science of the Total …, 2021 - Elsevier
Abstract In this study Granular Activated Carbon (GAC) used in drinking water treatment
processes is evaluated for its capacity to adsorb and remove polystyrene (PS) nanoplastics …

Activated carbons and low cost adsorbents for remediation of tri-and hexavalent chromium from water

D Mohan, CU Pittman Jr - Journal of hazardous materials, 2006 - Elsevier
Hexavalent chromium is a well-known highly toxic metal, considered a priority pollutant.
Industrial sources of Cr (VI) include leather tanning, cooling tower blowdown, plating …

Adsorption of a few heavy metals on natural and modified kaolinite and montmorillonite: a review

KG Bhattacharyya, SS Gupta - Advances in colloid and interface science, 2008 - Elsevier
The feasibility of using two important and common clay minerals, kaolinite and
montmorillonite, as adsorbents for removal of toxic heavy metals has been reviewed. A good …

Adsorption of Co (II) and Ni (II) by EDTA-and/or DTPA-modified chitosan: kinetic and equilibrium modeling

E Repo, JK Warchol, TA Kurniawan… - Chemical engineering …, 2010 - Elsevier
The aim of the present study was to investigate the adsorption properties of surface modified
chitosans in the aqueous solutions containing Co (II) and/or Ni (II) ions. For this purpose, the …

Study of heavy metal pollution and speciation in Buyak Menderes and Gediz river sediments

H Akcay, A Oguz, C Karapire - Water research, 2003 - Elsevier
In this study, two economically important rivers of Turkey, Gediz and Buyuk Menderes (BM)
are studied to determine their environmental pollution levels. An old analytical procedure …

Kinetics of removal of chromium from water and electronic process wastewater by ion exchange resins: 1200H, 1500H and IRN97H

S Rengaraj, CK Joo, Y Kim, J Yi - Journal of hazardous materials, 2003 - Elsevier
The removal of chromium from aqueous solution by an ion exchange resin is described. Ion
exchange resins 1200H, 1500H and IRN97H show a remarkable increase in sorption …

Immobilization of Pb (II), Cd (II) and Ni (II) ions on kaolinite and montmorillonite surfaces from aqueous medium

SS Gupta, KG Bhattacharyya - Journal of environmental management, 2008 - Elsevier
The present study investigates the immobilization of Pb (II), Cd (II) and Ni (II) on clays
(kaolinite and montmorillonite) in aqueous medium through the process of adsorption under …

Adsorption of different pollutants by using microplastic with different influencing factors and mechanisms in wastewater: a review

M Zhao, L Huang, SRB Arulmani, J Yan, L Wu, T Wu… - Nanomaterials, 2022 - mdpi.com
The studies on microplastics are significant in the world. According to the literature,
microplastics have greatly specific surface areas, indicating high adsorption capacities for …