Results 11 to 20 of about 1,865,203 (286)
Adsorption-synergized reduction of Cr(vi) using Gypsum@PANI composite: unraveling mechanism and advanced statistical physics prediction [PDF]
RSC AdvancesCr(vi) is categorized as a top-priority hazardous contaminant. The subsequent adsorption/reduction of Cr(vi) into Cr(iii) has emerged as a powerful process for detoxifying Cr(vi)-laden waters.
Samira El Omari +7 more
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Biochar Decreases Cr Toxicity and Accumulation in Sunflower Grown in Cr(VI)-Polluted Soil
Toxics, 2023 Biochar is preferentially recommended for the remediation of heavy metal-polluted soils. Sunflower is an important high-biomass oil crop with a promising potential for phytoremediation of Cr(VI)-polluted soil.
Shuai Li +6 more
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ChrR Gene Variability in Cr-stressed Leptolyngbya boryana for the Biotransformation of Cr (VI) to Cr (III) [PDF]
, 2023 Chromium (VI) is a well-known pollutant that is present in industrially polluted soil and water, and has been reported to be mutagenic and carcinogenic.
Vinay Dwivedi +3 more
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Phytoextraction of Cr(VI) from soil using Portulaca oleracea [PDF]
, 2013 Cr(VI) represents an environmental challenge in both soil and water as it is soluble and bioavailable over a wide range of pH. In previous investigations, Portulaca oleracea (a plant local to the United Arab Emirates (UAE)) demonstrated particular ...
Alyazouri, Ayman H. +10 more
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, 2022 The environmental chemistry of Cr is of widespread interest due to the hazardous nature of Cr(VI). Because of similar atomic size and charge, CrVIO42- can substitute for SO42- within schwertmannite - an Fe(III) oxyhydroxysulfate mineral that occurs ...
Karimian, Niloofar +2 more
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Highly efficient removal of Cr(VI) by hexapod-like pyrite nanosheet clusters
, 2021 Pyrite nanomaterials show an excellent performance in remediating Cr(VI) contaminated wastewater. However, the high surface reactivity makes them easy to agglomerate to reduce their removal efficiency for Cr(VI).
Nie, Xin +13 more
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Application of Mechanochemical Procedure on Aqueous Cr(VI) Removal with Additives of Activated Carbon and Fe0/Fe2O3 [PDF]
, 2022 The green technique of mechanical ball milling has been extensively employed in the fabrication of environmentally functional materials. The improved specific surface area and modified surface properties of the resulting materials contribute to the high ...
Fang, YI, YI Fang;900339
core
Environmental Challenges, 2022 In the present work, eggshell-based zinc oxide-cobalt oxide (ES-ZC) nanocomposite was synthesized and used for removal of Cr(VI) from an aqueous solution. The synthesized nanocomposite was characterized using SEM, FTIR, and XRD. The specific surface area
Seid Mohammed Seid, Girma Gonfa
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Adsorption of Cr(VI) and Speciation of Cr(VI) and Cr(III) in Aqueous Solutions Using Chemically Modified Chitosan [PDF]
International Journal of Environmental Research and Public Health, 2012 A new type of grafting chitosan (CTS) was synthesized using 2-hydroxyethyl- trimethyl ammonium chloride (HGCTS). The adsorption of Cr(VI) on HGCTS was studied. The effect factors on adsorption and the adsorption mechanism were considered. The results indicated that the HGCTS could concentrate and separate Cr(VI) at pH 4.0; the adsorption equilibrium ...
Dai, Jun, Ren, FengLian, Tao, ChunYuan
openaire +2 more sources
Chemical Engineering Transactions, 2018 Chromium exits naturally in two oxidation states: hexavalent chromium (Cr(VI)) and trivalent chromium (Cr(III)). Cr(VI) is carcinogenic and mutagenic to living organisms and Cr(III) is 100 times less toxic than Cr(VI).
M. Roestorff, E. Chirwa
doaj +1 more source