Performance of field-scale permeable reactive barriers: An overview on potentials and possible implications for in-situ groundwater remediation applications

R Singh, S Chakma, V Birke - Science of the total environment, 2023 - Elsevier
Permeable reactive barriers (PRBs) are significant among all the promising remediation
technologies for treating contaminated groundwater. Since the first commercial full field …

A review on design, material selection, mechanism, and modelling of permeable reactive barrier for community-scale groundwater treatment

AK Thakur, M Vithanage, DB Das, M Kumar - Environmental Technology & …, 2020 - Elsevier
Over the last thirty years, several techniques of groundwater (GW) remediation based on the
principles of physical (air sparging), biological (bioventing), and chemical (eg, ion …

Multi-functional magnesium hydroxide coating for iron nanoparticles towards prolonged reactivity in Cr (VI) removal from aqueous solutions

I Maamoun, O Falyouna, R Eljamal, K Bensaida… - Journal of …, 2022 - Elsevier
In this study, the reactive performance of magnesium hydroxide-coated iron nanoparticles
(Fe 0@ Mg (OH) 2) was investigated for the removal of hexavalent chromium (Cr (VI)) from …

Chromium and fluoride contamination in groundwater around leather tanning industries in southern India: Implications from stable isotopic ratio δ53Cr/δ52Cr …

G Kanagaraj, L Elango - Chemosphere, 2019 - Elsevier
This study investigates the contamination of groundwater by chromium and fluoride around
leather tanning industries. Major ions, chromium, δ 53 Cr/δ 52 Cr and fluoride were …

[PDF][PDF] Optimization modeling of nFe0/Cu-PRB design for Cr (VI) removal from groundwater

I Maamoun, O Falyouna, R Eljamal… - International …, 2021 - pdfs.semanticscholar.org
Hexavalent chromium is one of the highly toxic heavy metals which could lead to severe
health issues when it is discharged into aquifers as industrial wastewater. In the current …

The isotopic composition of authigenic chromium in anoxic marine sediments: A case study from the Cariaco Basin

CT Reinhard, NJ Planavsky, X Wang… - Earth and Planetary …, 2014 - Elsevier
Chromium (Cr) isotopes are an emerging proxy for tracking redox processes at the Earth's
surface. However, there has been limited exploration of the Cr isotope record of modern and …

Groundwater diffuse pollution in functional urban areas: The need to define anthropogenic diffuse pollution background levels

A Azzellino, L Colombo, S Lombi, V Marchesi… - Science of the Total …, 2019 - Elsevier
Groundwater status in highly urbanized areas is particularly affected by anthropogenic
influence due to diffuse pollution deriving from many sources. This makes very often …

Weathering on land and transport of chromium to the ocean in a subtropical region (Misiones, NW Argentina): a chromium stable isotope perspective

R Frei, D Poiré, KM Frei - Chemical Geology, 2014 - Elsevier
We have investigated the pathway of chromium from its mobilization on land and along its
riverine transport in a subtropical region of South America (Misiones Province, Argentina), in …

Processes controlling the chromium isotopic composition of river water: Constraints from basaltic river catchments

J D'Arcy, MG Babechuk, LN Døssing, C Gaucher… - … et Cosmochimica Acta, 2016 - Elsevier
We report chromium (Cr) isotope compositions and concentrations (and additional
geochemical and physicochemical data) of bedrock, soils and river waters from two …

Chromium isotope systematics in the Connecticut River

W Wu, X Wang, CT Reinhard, NJ Planavsky - Chemical Geology, 2017 - Elsevier
Limited constraints on Cr isotope fractionation during weathering and river transport is
currently a gap in our understanding of the chromium (Cr) isotope system, which is an …