Cr (VI) and Cr (III) removal from aqueous solution by raw and modified lignocellulosic materials: a review

P Miretzky, AF Cirelli - Journal of hazardous materials, 2010 - Elsevier
In aqueous systems, chromium usually exists in both trivalent and hexavalent oxidation
states, being Cr (VI) of particular importance and concern due to its great toxicity. Industrial …

Metallic and non-metallic nanoparticles from plant, animal, and fisheries wastes: potential and valorization for application in agriculture

KK Krishnani, VM Boddu, NK Chadha… - … Science and Pollution …, 2022 - Springer
Global agriculture is facing tremendous challenges due to climate change. The most
predominant amongst these challenges are abiotic and biotic stresses caused by increased …

[HTML][HTML] Adsorption-reduction performance of tea waste and rice husk biochars for Cr (VI) elimination from wastewater

U Khalil, MB Shakoor, S Ali, M Rizwan… - Journal of Saudi …, 2020 - Elsevier
In the current study tea waste and rice husk biochars were used for the elimination of Cr (VI)
from wastewater with the objectives to study the effect of pH (3–10), shaking time (0.016–24 …

Chemical characterization of raw and treated agave bagasse and its potential as adsorbent of metal cations from water

LH Velazquez-Jimenez, A Pavlick… - Industrial Crops and …, 2013 - Elsevier
Lignocellulosic materials have a very complex configuration that contains a variety of active
sites capable, in some cases, of adsorbing contaminants from water. Agave bagasse is a …

Highly active nanoscale zero-valent iron (nZVI)–Fe3O4 nanocomposites for the removal of chromium (VI) from aqueous solutions

X Lv, J Xu, G Jiang, J Tang, X Xu - Journal of colloid and interface science, 2012 - Elsevier
For the first time, nanoscale zero-valent iron (nZVI)–Fe3O4 nanocomposites, prepared by an
in situ reduction method, are employed for chromium (VI) removal in aqueous environment …

Applicability of plant based biosorbents in the removal of heavy metals: a review

CK Jain, DS Malik, AK Yadav - Environmental Processes, 2016 - Springer
Heavy metals are toxic, persistent, carcinogenic and mutagenic in nature. Industrial
wastewater is a widely known source for metal pollution in aquatic bodies as well as surface …

Nickel (II) adsorption onto biomass based activated carbon obtained from sugarcane bagasse pith

KA Krishnan, KG Sreejalekshmi, RS Baiju - Bioresource technology, 2011 - Elsevier
Bioavailability of Nickel in the form of hydrated Nickel (II) attributes to its toxicological effects
and hence its removal from aqueous solution is of great concern. Adsorption is used as an …

Fractionational and structural characterization of lignin and its modification as biosorbents for efficient removal of chromium from wastewater: a review

B Wang, YC Sun, RC Sun - Journal of Leather Science and Engineering, 2019 - Springer
The removal of chromium (Cr) from wastewater by various adsorbents has been
investigated. As compared with the commercial activated carbon, the biosorbents with …

Functionalized paper—A readily accessible adsorbent for removal of dissolved heavy metal salts and nanoparticles from water

D Setyono, S Valiyaveettil - Journal of hazardous materials, 2016 - Elsevier
Paper, a readily available renewable resource, comprises of interwoven cellulosic fibers,
which can be functionalized to develop interesting low-cost adsorbent material for water …

Hexavalent chromium removal mechanism using conducting polymers

KK Krishnani, S Srinives, BC Mohapatra… - Journal of hazardous …, 2013 - Elsevier
We report detoxification of Cr (VI) into Cr (III) using electrochemically synthesized polyaniline
(PANI), polypyrrole (PPY), PANI nanowires (PANI-NW) and palladium-decorated PANI …