Articles with "zerovalent iron" as a keyword



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Morphological assessment of glutamate zerovalent iron nanoparticles by scanning electron microscopy and its combined effect with indole acetic acid on amelioration of lead toxicity in maize (Zea mays L.)

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Published in 2020 at "Microscopy Research and Technique"

DOI: 10.1002/jemt.23543

Abstract: Food safety is a priority issue for sustainable global development that can be affected by heavy metals, contributing to morbidity and even mortality in crop growth. Heavy metals often accumulate in the soil due to… read more here.

Keywords: microscopy; iron nanoparticles; indole acetic; glutamate zerovalent ... See more keywords
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Engineered biochar composites with zeolite, silica, and nano-zerovalent iron for the efficient scavenging of chlortetracycline from aqueous solutions

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Published in 2019 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-019-04850-7

Abstract: AbstractDate palm waste–derived biochar (DBC) was produced through pyrolysis (600 °C) and modified with zeolite (Z-DBC), silica (S-DBC), or nano-zerovalent iron (nZVI-DBC) to design efficient sorbents. The pristine and engineered biochars were characterized by SEM, XRD,… read more here.

Keywords: dbc; nano zerovalent; aqueous solutions; dbc dbc ... See more keywords
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Zerovalent iron in conjunction with surfactants to remediate sediments contaminated by polychlorinated biphenyls and nickel.

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Published in 2017 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.09.038

Abstract: Dredging and disposal is commonly used for cleanup of contaminated sediments, leaving the relocated sediments still in need of remediation. In this study, the feasibility of two approaches to using zerovalent iron (ZVI) in conjunction… read more here.

Keywords: surfactants remediate; zvi; conjunction surfactants; remediate sediments ... See more keywords
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The effect of zerovalent iron on the microbial degradation of hexabromocyclododecane.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.02.123

Abstract: Hexabromocyclododecane (HBCD), a commonly used brominated flame retardant (BFR), has been listed as a persistent organic pollutant (POP). In order to remediate HBCD in the environment, the influence of microscale zerovalent iron (MZVI) on the… read more here.

Keywords: zerovalent iron; mzvi; hbcd; hexabromocyclododecane ... See more keywords
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Mechanism and influence factors of chromium(VI) removal by sulfide-modified nanoscale zerovalent iron.

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2019.02.109

Abstract: Sulfidation of nanoscale zerovalent iron (nZVI) has attracted increasing interest for improving the reactivity and selectivity of nZVI towards various contaminants, such as aqueous Cr(VI) removal. However, the benefits derived from sulfide modification that govern… read more here.

Keywords: nanoscale zerovalent; surface area; removal; surface ... See more keywords
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Effect of carboxylic acids on the properties of zerovalent iron toward adsorption and degradation of trichloroethylene.

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Published in 2018 at "Journal of environmental management"

DOI: 10.1016/j.jenvman.2017.11.070

Abstract: Zerovalent iron (ZVI) based technology has been applied to remediate contaminated groundwater and has been paid great attention as an economic alternative. But it is still remains highly challenging to remove chlorinated pollutants such as… read more here.

Keywords: adsorption; zvi; surface; carboxylic ligands ... See more keywords
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Immobilization of nanoscale zerovalent iron in hierarchically channelled polyacrylonitrile for Cr(VI) remediation in wastewater

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Published in 2021 at "Journal of Water Process Engineering"

DOI: 10.1016/j.jwpe.2020.101704

Abstract: Abstract Nanoscale zerovalent iron (NZVI) was immobilized within porous millimeter-sized polyacrylonitrile (PAN) beads by chemical coagulation followed by a heat treatment in air for stabilization of the polymer structure. SEM-EDS and porosimetry analysis showed that… read more here.

Keywords: zerovalent iron; nanoscale zerovalent; remediation; pan ... See more keywords
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Production of hydrogen, active zerovalent iron and ferroferric oxide octahedron by alkaline etching Al–Fe alloys

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Published in 2021 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2021.124789

Abstract: Abstract Hydrogen is becoming important clean energy while zerovalent iron (ZVI) and ferroferric oxide are of great interest to many applications including environmental remediation and chemical catalysis. Here, we report production of hydrogen, zerovalent iron… read more here.

Keywords: ferroferric oxide; hydrogen; zerovalent iron; alkaline etching ... See more keywords
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Effect of Copresence of Zerovalent Iron and Sulfate Reducing Bacteria on Reductive Dechlorination of Trichloroethylene.

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Published in 2021 at "Environmental science & technology"

DOI: 10.1021/acs.est.0c07702

Abstract: Sulfur amendment of zerovalent iron (ZVI) materials has been shown to improve the reactivity and selectivity of ZVI toward a select group of organohalide contaminants in groundwater, most notably trichloroethene (TCE). In previous studies, chemical… read more here.

Keywords: zvi; sulfate reducing; dechlorination; zerovalent iron ... See more keywords
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Simultaneous Removal of Selenite and Selenate by Nanosized Zerovalent Iron in Anoxic Systems: The Overlooked Role of Selenite.

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Published in 2021 at "Environmental science & technology"

DOI: 10.1021/acs.est.0c08142

Abstract: The application of nanosized zerovalent iron (nZVI) for reductive immobilization of selenite (Se(IV)) or selenate (Se(VI)) alone has been extensively investigated. However, as the predominant species, Se(IV) and Se(VI) usually coexist in the environment. Thus,… read more here.

Keywords: zerovalent iron; removal; nanosized zerovalent; selenite selenate ... See more keywords
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Spatiotemporal Mineral Phase Evolution and Arsenic Retention in Microfluidic Models of Zerovalent Iron-Based Water Treatment

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Published in 2022 at "Environmental Science & Technology"

DOI: 10.1021/acs.est.2c02189

Abstract: Arsenic (As) is a toxic element, and elevated levels of geogenic As in drinking water pose a threat to the health of several hundred million people worldwide. In this study, we used microfluidics in combination… read more here.

Keywords: based water; iron; water; zvi ... See more keywords