Articles with "surface complexation" as a keyword



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Effect of glutamic acid on copper sorption onto kaolinite - Batch experiments and surface complexation modeling.

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Published in 2017 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.03.073

Abstract: High carbonate content of the European Kupferschiefer ore deposits is a challenge for acid copper leaching (pH ≤ 2). Therefore investigating the mobility behavior of Cu(II) under conditions related to an alternative, neutrophil biohydrometallurgical Cu(II) leaching approach… read more here.

Keywords: glutamic acid; onto kaolinite; sorption; acid copper ... See more keywords
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Effect of DTPA on europium sorption onto quartz - Batch sorption experiments and surface complexation modeling.

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2019.124771

Abstract: Sorption of radionuclides on mineral surfaces retards their migration in the environment of a repository. Presence of organic ligands, however, affects sorption and consequently influences their transport behavior. In this study, we quantify the sorption… read more here.

Keywords: sorption experiments; dtpa; sorption iii; sorption ... See more keywords
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Charge regulated solid-liquid interfaces interacting on the nanoscale: Benchmarking of a generalized speciation code (SINFONIA).

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Published in 2021 at "Advances in colloid and interface science"

DOI: 10.1016/j.cis.2021.102469

Abstract: Surface chemistry of mineral phases in aqueous environments generates the electrostatic forces involved in particle-particle interactions. However, few models directly take into account the influence of surface speciation and changes in solution speciation when the… read more here.

Keywords: chemistry; charge; particle; speciation ... See more keywords
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Improvements on modelling wettability alteration by Engineered water injection: Surface complexation at the oil/brine/rock contact

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Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2020.118991

Abstract: Abstract Several laboratory experiments demonstrated that different water compositions cause rocks to change from oil- to water-wet state. Although it is a consensus that wettability alteration is the main recovery process, modeling the underlying mechanism… read more here.

Keywords: water; surface; surface complexation; rock ... See more keywords
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In situ structural study of the surface complexation of lead(II) on the chemically mechanically polished hematite (11¯02) surface.

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Published in 2018 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.04.005

Abstract: A structural study of the surface complexation of Pb(II) on the (11¯02) surface of hematite was undertaken using crystal truncation rod (CTR) X-ray diffraction measurements under in situ conditions. The sorbed Pb was found to… read more here.

Keywords: structural study; surface; hematite surface; surface complexation ... See more keywords
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Adsorption of arsenic(V) onto single sheet iron oxide: X-ray absorption fine structure and surface complexation.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2019.07.024

Abstract: Adsorption onto two-dimensional nanosheet materials offers new possibilities for fast and efficient removal of contaminants from waters. Here, the adsorption of As(V) to a new type of iron oxides - single sheet iron oxide (SSI)… read more here.

Keywords: iron; adsorption; single sheet; surface complexation ... See more keywords
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Improved accuracy in multicomponent surface complexation models using surface-sensitive analytical techniques: Adsorption of arsenic onto a TiO2/Fe2O3 multifunctional sorbent.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.06.119

Abstract: Novel composite materials are increasingly developed for water treatment applications with the aim of achieving multifunctional behaviour, e.g. combining adsorption with light-driven remediation. The application of surface complexation models (SCM) is important to understand how… read more here.

Keywords: adsorption; surface; adsorption arsenic; complexation models ... See more keywords
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Modelling of palladium(II) adsorption onto amine-functionalised zeolite using a generalised surface complexation approach.

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Published in 2020 at "Journal of environmental management"

DOI: 10.1016/j.jenvman.2020.111416

Abstract: The many uses of palladium in medicine, catalysts and other industries make it a very important precious element. Many industries using palladium discharge process wastewaters that may release elevated concentrations of palladium into the environment.… read more here.

Keywords: generalised surface; surface; recovery palladium; palladium ... See more keywords
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Reduction of U(VI) on Chemically Reduced Montmorillonite and Surface Complexation Modeling of Adsorbed U(IV).

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.1c06814

Abstract: Adsorption and subsequent reduction of U(VI) on Fe(II)-bearing clay minerals can control the mobility of uranium in subsurface environments. Clays such as montmorillonite provide substantial amounts of the reactive surface area in many subsurface environments,… read more here.

Keywords: surface; reduction; subsurface environments; surface complexation ... See more keywords
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Community Data Mining Approach for Surface Complexation Database Development.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.1c07109

Abstract: This paper presents a comprehensive data-to-model workflow, including a findable, accessible, interoperable, reusable (FAIR) community sorption database (newly developed LLNL Surface Complexation/Ion Exchange (L-SCIE) database) along with a data fitting workflow to efficiently optimize surface… read more here.

Keywords: database; surface; community; approach ... See more keywords
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Particle swarm optimization for the estimation of surface complexation constants with the geochemical model PHREEQC-3.1.2

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Published in 2019 at "Geoscientific Model Development"

DOI: 10.5194/gmd-12-167-2019

Abstract: Abstract. Sorption of metals on minerals is a key process in treatment water, natural aquatic environments, and other water-related technologies. Sorption processes are usually simulated with surface complexation models; however, identifying numeric values for the… read more here.

Keywords: optimization; parameter; surface complexation; geochemical model ... See more keywords