Articles with "humic substances" as a keyword



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Microscopic and spectroscopic characterization of humic substances from a compost amended copper contaminated soil: main features and their potential effects on Cu immobilization

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Published in 2017 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-017-8981-x

Abstract: We characterized humic substances (HS) extracted from a Cu-contaminated soil without compost addition (C) or amended with a wheat straw-based compost (WSC) (H1), co-composted with Fe2O3 (H2), or co-composted with an allophane-rich soil (H3). Extracted… read more here.

Keywords: microscopy; compost amended; compost; contaminated soil ... See more keywords
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Spectroscopic and molecular characterization of humic substances (HS) from soils and sediments in a watershed: comparative study of HS chemical fractions and the origins

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Published in 2017 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-017-9225-9

Abstract: Optical properties and molecular composition of humic substances (HS) can provide valuable information on the sources and the history of the associated biogeochemical processes. In this study, many well-known spectral and molecular characteristics were examined… read more here.

Keywords: molecular characterization; soils sediments; chemical fractions; humic substances ... See more keywords
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Sorption of selected pharmaceuticals by a river sediment: role and mechanisms of sediment or Aldrich humic substances

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Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-1684-0

Abstract: Sorption of pharmaceuticals onto sediments is frequently related to organic matter content. Thus, the present work aimed to compare the effect of humic substances (HS) extracted from a river sediment versus Aldrich (HS) on the… read more here.

Keywords: sorption selected; selected pharmaceuticals; sorption; humic substances ... See more keywords
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A simple cleanup method for the removal of humic substances from soil protein extracts using aluminum coagulation

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Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-2434-z

Abstract: Soil proteomics, the large-scale characterization of the entire protein complement in soils, provides a promising approach for deciphering the role of microbial functioning in terrestrial ecosystems. However, the extraction of soil proteins in sufficient quantities… read more here.

Keywords: protein; coagulation; aluminum; method ... See more keywords
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Effects of forest fire on the properties of soil and humic substances extracted from forest soil in Gunma, Japan

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Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-3011-1

Abstract: Increases in global wildfires and fire severity are expected to result from global warming. Severe wildfires not only burn surface vegetation but also affect forest soil. Humic substances play key roles in the transport of… read more here.

Keywords: soil humic; humic substances; forest soil; soil ... See more keywords
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Humic substances and nature-like technologies

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Published in 2019 at "Journal of Soils and Sediments"

DOI: 10.1007/s11368-019-02330-6

Abstract: 2 paginas.- 11 referencias.- Open Access in Version de editor https://doi.org/10.1007/s11368-019-02330-6 read more here.

Keywords: like technologies; substances nature; nature like; humic substances ... See more keywords
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Alkali lignin and sodium lignosulfonate additives promote the formation of humic substances during paper mill sludge composting.

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Published in 2020 at "Bioresource technology"

DOI: 10.1016/j.biortech.2020.124361

Abstract: Alkali lignin (AL) and sodium lignosulfonate (SLS) are by-products of the papermaking industry and could influence composting processes due to their rich aromatic structures. In this study, the roles of AL and SLS additives in… read more here.

Keywords: sodium lignosulfonate; substances paper; formation humic; humic substances ... See more keywords
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Effect of potassium humate as humic substances from river sediments on the rheology, the hydration and the strength development of a cement paste

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Published in 2019 at "Cement and Concrete Composites"

DOI: 10.1016/j.cemconcomp.2019.103400

Abstract: Abstract Dredged river sediments may contain various types of organic matter that can affect the properties of a cement matrix, with the most representative part of such organic matter consisting of humic substances (HS). This… read more here.

Keywords: strength; rheology; cement; cement paste ... See more keywords
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Sorption-desorption of Sb(III) in different soils: Kinetics and effects of the selective removal of hydroxides, organic matter, and humic substances.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.04.067

Abstract: To examine the Sb(III) retention by three soils with different properties (Ferrosol, Primosol and Isohumosol), kinetic batch experiments were carried out for Sb(III) adsorption-desorption, followed by Sb release using a sequential extraction procedure. In addition,… read more here.

Keywords: retention; organic matter; humic substances; desorption ... See more keywords
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Modeling kinetics of Ni dissociation from humic substances based on WHAM 7.

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2019.01.012

Abstract: Understanding the kinetics of Ni dissociation from dissolved organic matter (DOM) helps to better predict the fate and bioavailability of Ni ions in the environment. However, there is still a lack of predictive models for… read more here.

Keywords: dissociation; based wham; kinetics dissociation; model ... See more keywords
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Influence of humic substances on the transport of indium and gallium in porous media.

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Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.126099

Abstract: Indium and gallium are used widely in modern industry, mostly for the production of semiconductors. They are considered as Technology-Critical Elements and have therefore received growing attention in the past few years. We investigated the… read more here.

Keywords: substances transport; indium; gallium; humic substances ... See more keywords