A review of chemical, electrochemical and biological methods for aqueous Cr (VI) reduction

CE Barrera-Díaz, V Lugo-Lugo, B Bilyeu - Journal of hazardous materials, 2012 - Elsevier
Hexavalent chromium is of particular environmental concern due to its toxicity and mobility
and is challenging to remove from industrial wastewater. It is a strong oxidizing agent that is …

Organic amendments for in situ immobilization of heavy metals in soil: A review

J Gao, H Han, C Gao, Y Wang, B Dong, Z Xu - Chemosphere, 2023 - Elsevier
There is a growing need for soil remediation due to the increase in heavy metals (HMs)
migrating into the soil environment, especially those from man-made sources dominated by …

[HTML][HTML] Potential health risk and levels of heavy metals in water resources of lead–zinc mining communities of Abakaliki, southeast Nigeria

PN Obasi, BB Akudinobi - Applied Water Science, 2020 - Springer
Heavy metals are potential health risk, especially in mining sites where they deteriorate from
sulfide-rich ore bodies. Lead, cadmium, arsenic and mercury are very carcinogenic, while …

Dissolved organic matter: biogeochemistry, dynamics, and environmental significance in soils

NS Bolan, DC Adriano, A Kunhikrishnan, T James… - Advances in …, 2011 - Elsevier
Dissolved organic matter (DOM) is defined as the organic matter fraction in solution that
passes through a 0.45 μm filter. Although DOM is ubiquitous in terrestrial and aquatic …

Fabrication and characterization of chitosan-crosslinked-poly (alginic acid) nanohydrogel for adsorptive removal of Cr (VI) metal ion from aqueous medium

G Sharma, M Naushad, H Ala'a, A Kumar… - International journal of …, 2017 - Elsevier
In this study, chitosan-crosslinked-poly (alginic acid) nanohydrogel (CN-cl-PL (AA) NHG)
was synthesized by co-polymerization method. It was used an effective adsorbent for the …

Remediation of Cr (VI) and Pb (II) aqueous solutions using supported, nanoscale zero-valent iron

SM Ponder, JG Darab, TE Mallouk - Environmental science & …, 2000 - ACS Publications
Borohydride reduction of an aqueous iron salt in the presence of a support material gives
supported zero-valent iron nanoparticles that are 10− 30 nm in diameter. The material is …

One-pot synthesis of magnetic graphene nanocomposites decorated with core@ double-shell nanoparticles for fast chromium removal

J Zhu, S Wei, H Gu, SB Rapole, Q Wang… - … science & technology, 2012 - ACS Publications
A facile thermodecomposition process to synthesize magnetic graphene nanocomposites
(MGNCs) is reported. High-resolution transmission electron microscopy and energy filtered …

Oxalate modification dramatically promoted Cr (VI) removal with zero-valent iron

M Liao, X Wang, S Cao, M Li, X Peng, L Zhang - ACS ES&T Water, 2021 - ACS Publications
In this study, we demonstrated that oxalate modification could promote the Cr (VI) removal
performance of zerovalent iron (ZVI) and increase the removal rate constant by about 20 …

Phytostabilization: a green approach to contaminant containment

NS Bolan, JH Park, B Robinson, R Naidu, KY Huh - Advances in agronomy, 2011 - Elsevier
Phytostabilization involves the establishment of a plant cover on the surface of the
contaminated sites with the aim of reducing the mobility of contaminants within the vadose …

[HTML][HTML] Effect of soil pH on the transport, fractionation, and oxidation of chromium (III)

T Xu, F Nan, X Jiang, Y Tang, Y Zeng, W Zhang… - … and environmental safety, 2020 - Elsevier
This work was conducted to study the effect of soil pH (4.0, 6.0, and 8.0) on the transport,
fractionation, and oxidation of trivalent chromium [Cr (III)]. Variation in pH altered soil …