Articles with "hydr oxides" as a keyword



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Phosphate removal from aqueous solution by Fe–La binary (hydr)oxides: characterizations and mechanisms

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Published in 2021 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-15127-3

Abstract: In this study, Fe–La binary (hydr)oxides were prepared by a co-precipitation method for phosphate removal. Various techniques, including secondary electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX), powder X-ray diffraction (p-XRD), and Brunauer-Emmett-Teller (BET) surface area… read more here.

Keywords: phosphate removal; hydr oxides; binary hydr; spectroscopy ... See more keywords

Growth of iron (hydr)oxides on different carbon substrates and their Fenton-like performance

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Published in 2018 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2018.01.001

Abstract: Abstract Iron (hydr)oxides were deposited on different carbonaceous materials carriers and their Fenton-like performance was critically evaluated. The solid carbon substrate significantly affected the crystal structure of the iron-containing phase. In particular, a layer of… read more here.

Keywords: iron hydr; hydr oxides; like performance; fenton like ... See more keywords
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Pseudo-capacitive behavior of multi-walled carbon nanotubes decorated with nickel and manganese (hydr)oxides nanoparticles

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Published in 2020 at "Journal of energy storage"

DOI: 10.1016/j.est.2020.101583

Abstract: Abstract We report on the synthesis, characterization of nickel hydroxide and manganese oxide nanoparticles decorating multiwalled carbon nanotubes composite material, and electrochemical performance for energy storage processes in symmetric electrochemical capacitors. A large pseudocapacitive voltage… read more here.

Keywords: carbon; coin cell; carbon nanotubes; hydr oxides ... See more keywords
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Uranyl phosphates and associated minerals in the Koprubasi (Manisa) uranium deposit, Turkey

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Published in 2017 at "Ore Geology Reviews"

DOI: 10.1016/j.oregeorev.2017.01.001

Abstract: Abstract The Koprubasi uranium deposit is the largest known uranium deposits in Turkey. Uranium mineralization is hosted in Neogene fluvial sediments that consist of predominantly sandstone and conglomerate interlayered with siltstone, claystone and mudstone. Sediments… read more here.

Keywords: associated minerals; sedimentary rocks; uranium deposit; uranyl phosphates ... See more keywords
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Insight into the Photodegradation of Microplastics Boosted by Iron (Hydr)oxides.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c07824

Abstract: Iron (hydr)oxides as a kind of natural mineral actively participate in the transformation of organic pollutants, but there is a large knowledge gap in their impacts on photochemical processes of microplastics (MPs). This study is… read more here.

Keywords: iron hydr; hydr oxides; insight photodegradation;
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Zinc Stable Isotope Fractionation Mechanisms during Adsorption on and Substitution in Iron (Hydr)oxides.

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Published in 2023 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c08028

Abstract: The Zn isotope fingerprint is widely used as a proxy of various environmental geochemical processes, so it is crucial to determine which are the mechanisms responsible for isotopic fractionation. Iron (Fe) (hydr)oxides greatly control the… read more here.

Keywords: fractionation; iron hydr; hydr oxides; isotope fractionation ... See more keywords
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Mechanistic Insight into Electron Transfer from Fe(II)-Bearing Clay Minerals to Fe (Hydr)oxides.

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Published in 2023 at "Environmental science & technology"

DOI: 10.1021/acs.est.3c01250

Abstract: Electron transfer (ET) is the essence of most biogeochemical processes related to element cycling and contaminant attenuation, whereas ET between different minerals and the controlling mechanism remain elusive. Here, we used surface-associated Fe(II) as a… read more here.

Keywords: hydr oxides; rnau; microscopy; electron transfer ... See more keywords
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Radium Sorption to Iron (Hydr)oxides, Pyrite, and Montmorillonite: Implications for Mobility.

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Published in 2018 at "Environmental science & technology"

DOI: 10.1021/acs.est.7b05443

Abstract: Radium (Ra) is a radioactive element commonly found within soils, sediments, and natural waters. Elevated Ra activities arising through natural and anthropogenic processes pose a threat to groundwater resources and human health, and Ra isotope… read more here.

Keywords: hydr oxides; radium sorption; sorption; sorption iron ... See more keywords

Linking Isotope Exchange with Fe(II)-Catalyzed Dissolution of Iron(hydr)oxides in the Presence of the Bacterial Siderophore Desferrioxamine-B

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Published in 2019 at "Environmental Science & Technology"

DOI: 10.1021/acs.est.9b04235

Abstract: Dissolution of Fe(III) phases is a key process in making iron available to biota and in the mobilization of associated trace elements. Recently, we have demonstrated that submicromolar concentrations of Fe(II) significantly accelerate rates of… read more here.

Keywords: dfob; hydr oxides; isotope exchange; iron ... See more keywords
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Interactions between organic matter and Fe (hydr)oxides and their influences on immobilization and remobilization of metal(loid)s: A review

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Published in 2021 at "Critical Reviews in Environmental Science and Technology"

DOI: 10.1080/10643389.2021.1974766

Abstract: Fe (hydr)oxides and organic matter (OM) are two of the main active substances ubiquitously occurring in natural environments. Fe (hydr)oxides rarely exist as a discrete component in natural environ... read more here.

Keywords: hydr oxides; interactions organic; organic matter; matter hydr ... See more keywords
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Carbon Sink Strength of Subsurface Horizons in Brazilian Oxisols

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Published in 2018 at "Soil Science Society of America Journal"

DOI: 10.2136/sssaj2017.05.0143

Abstract: Author(s): Souza, IF; Almeida, LFJ; Jesus, GL; Pett-Ridge, J; Nico, PS; Kleber, M; Silva, IR | Abstract: © Soil Science Society of America, 5585 Guilford Rd., Madison WI 53711 USA. All Rights reserved. Interactions with… read more here.

Keywords: 13c 15n; strength subsurface; hydr oxides; brazilian oxisols ... See more keywords