Effect of hexavalent chromium on the environment and removal techniques: a review

KE Ukhurebor, UO Aigbe, RB Onyancha… - Journal of …, 2021 - Elsevier
Despite the importance of chromium (Cr) in most anthropogenic activities, the subsequent
environmental adulteration is now a source of major concern. Cr occurs in numerous …

A review of hexavalent chromium removal from aqueous solutions by sorption technique using nanomaterials

UO Aigbe, OA Osibote - Journal of Environmental Chemical Engineering, 2020 - Elsevier
Heavy metals contamination has become a global environmental problem owing to
anthropogenic sources. They are considered a stern threat to humans, aquatic life, and …

A mechanistic approach of chromium (VI) adsorption onto manganese oxides and boehmite

MA Islam, MJ Angove, DW Morton, BK Pramanik… - Journal of …, 2020 - Elsevier
The concentration of chromium (VI) in the soil is an important environmental concern due to
its mobility and acute toxicity. Due to its toxicity, removal of this species is very important. The …

Recent innovative research on chromium (VI) adsorption mechanism

MA Islam, MJ Angove, DW Morton - … Nanotechnology, Monitoring & …, 2019 - Elsevier
Chromium (VI) is an important heavy metal commonly found in tannery wastewater. In order
to manage this type of environmental pollution, there needs to be a better understanding of …

Highly efficient and ultrafast removal of Cr (VI) in aqueous solution to ppb level by poly (allylamine hydrochloride) covalently cross-linked amino-modified graphene …

S Bao, W Yang, Y Wang, Y Yu, Y Sun - Journal of Hazardous Materials, 2021 - Elsevier
We herein report a facile strategy to prepare poly (allylamine hydrochloride) cross-linked
amino-modified graphene oxide (PAH− ASGO) by Schiff-base reactions. The resulting PAH …

A review on recent advancements on removal of harmful metal/metal ions using graphene oxide: Experimental and theoretical approaches

N Deshwal, MB Singh, I Bahadur, N Kaushik… - Science of the Total …, 2023 - Elsevier
Graphene oxide is a two-dimensional carbon nanomaterial and has gained huge popularity
over the last decade. Because, the graphene oxide can be dispersed in water easily and it is …

Efficiency of Ppy-PA-pani and Ppy-PA composite adsorbents in Chromium (VI) removal from aqueous solution

CA Pal, JS Choi, GKR Angaru, LP Lingamdinne… - Chemosphere, 2023 - Elsevier
In this study, first time the combination of composites with Phytic acid (PA) as the organic
binder cross-linker is reported. The novel use of PA with single and double conducting …

Adsorption of Cr (VI) from aqueous solution on graphene oxide (GO) prepared from graphite: equilibrium, kinetic and thermodynamic studies

NK Mondal, S Chakraborty - Applied Water Science, 2020 - Springer
The present work demonstrated the removal of hexavalent chromium from aqueous
solutions on synthesized graphene oxide (GO) from graphite. The prepared GO was …

A systematic study of hexavalent chromium adsorption and removal from aqueous environments using chemically functionalized amorphous and mesoporous silica …

EH Jang, SP Pack, I Kim, S Chung - Scientific reports, 2020 - nature.com
We report on the synthesis and characterization of highly monodisperse amorphous silica
nanoparticles (ASNs) and mesoporous silica nanoparticles (MSNs) with particle sizes of 15 …

Magnetic biocomposite based on peanut husk for adsorption of hexavalent chromium, Congo red and phosphate from solution: Characterization, kinetics, equilibrium …

AA Aryee, E Dovi, Q Li, R Han, Z Li, L Qu - Chemosphere, 2022 - Elsevier
Abstract A biocomposite (PN–Fe 3 O 4-PEI) was synthesized via the chemical modification
of peanut husk (a low-cost adsorbent) with Fe 3 O 4 particles and polyethyleneimine under …