Articles with "acid aqueous" as a keyword



Sonochemical degradation of benzenesulfonic acid in aqueous medium.

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Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.126485

Abstract: Degradation of benzenesulfonic acid (BSA), the simplest aromatic sulfonic acid with extreme industrial importantance, by sonochemically generated hydroxyl radical (OH) have been thoroughly investigated. A reasonable reduction (∼50%) in the total organic carbon (TOC) was… read more here.

Keywords: degradation; bsa; benzenesulfonic acid; acid aqueous ... See more keywords
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Enhanced removal of humic acid from aqueous solution by combined alternating current electrocoagulation and sulfate radical.

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Published in 2021 at "Environmental pollution"

DOI: 10.1016/j.envpol.2021.116632

Abstract: Application of alternating current in electrocoagulation and activation of persulfate (AEC-PS) for the effective removal of humic acid (HA) from aqueous solution was evaluated. In order to optimize the removal efficiency HA by the AEC-PS… read more here.

Keywords: aqueous solution; acid aqueous; alternating current; current electrocoagulation ... See more keywords
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Co encapsulated N-doped carbon nanotubes as robust catalyst for valorization of levulinic acid in aqueous media

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Published in 2021 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2020.04.050

Abstract: Abstract The construction of an acid resistant catalyst for synthesis of γ-valerolactone from levulinic acid in aqueous media is an important but highly challenging goal. Herein, an efficient Co@NCNT-800 (after 800 °C pyrolysis) catalyst was constructed… read more here.

Keywords: aqueous media; acid; doped carbon; levulinic acid ... See more keywords
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Adsorption of levulinic acid from aqueous solution by Amberlite XAD-4

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Published in 2017 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2017.03.084

Abstract: Abstract Levulinic acid (LA) from aqueous solutions was removed by using commercial adsorbent Amberlite XAD-4 (XAD-4). The equilibrium and kinetic studies were performed to investigate the effect of adsorbent amount (1 g to 3.5 g at 298 K,… read more here.

Keywords: adsorption; amberlite xad; equilibrium; levulinic acid ... See more keywords
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Fractionation of a dilute acetic acid aqueous mixture in a continuous countercurrent packed column using supercritical CO2: Experiments and simulation of external extract reflux

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Published in 2020 at "Journal of Supercritical Fluids"

DOI: 10.1016/j.supflu.2019.104680

Abstract: Fractionation of dilute acetic acid aqueous mixtures was operated using a continuous countercurrent packed column with supercritical CO2. A generic procedure was developed to assess the feasibility of such an operation. Experiments were performed using… read more here.

Keywords: dilute acetic; continuous countercurrent; fractionation dilute; countercurrent packed ... See more keywords
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Experimental Voltammetry Analyzed Using Artificial Intelligence: Thermodynamics and Kinetics of the Dissociation of Acetic Acid in Aqueous Solution

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Published in 2022 at "Analytical Chemistry"

DOI: 10.1021/acs.analchem.2c00110

Abstract: Artificial intelligence (AI) is used to quantitatively analyze the voltammetry of the reduction of acetic acid in aqueous solution generating thermodynamic and kinetic data. Specifically, the variation of the steady-state current for the reduction of… read more here.

Keywords: acid aqueous; thermodynamics; artificial intelligence; acetic acid ... See more keywords
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Removal of humic acid from aqueous solution by Fe3O4@L-arginine magnetic nanoparticle: kinetic and equilibrium studies

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Published in 2020 at "International Journal of Environmental Analytical Chemistry"

DOI: 10.1080/03067319.2020.1767092

Abstract: Natural organic materials, principally humic acids cause serious problems in water treatment plants due to combination with chlorine and the formation of carcinogenic disinfection by-products. In t... read more here.

Keywords: solution fe3o4; fe3o4 arginine; acid aqueous; removal humic ... See more keywords
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Fast Screening of Solvents for Simultaneous Extraction of Furfural, 5-Hydroxymethylfurfural and Levulinic Acid from Aqueous Solution Using SMD Solvation Free Energies

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Published in 2017 at "Journal of the Brazilian Chemical Society"

DOI: 10.21577/0103-5053.20170140

Abstract: Acid catalyzed decomposition of C5 and C6 sugars has been considered an important source of biomass derived chemicals. An essential step in this process is the extraction of furfural, hydroxymethylfurfural and levulinic acid from aqueous… read more here.

Keywords: extraction; furfural hydroxymethylfurfural; levulinic acid; acid aqueous ... See more keywords
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Separation of Formic Acid from Aqueous Solutions by Liquid Extraction Technique at Different Temperatures

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Published in 2019 at "Physical Chemistry Research"

DOI: 10.22036/pcr.2019.154646.1557

Abstract: In this study, the separation of formic acid from aqueous solutions was investigated. Liquid-liquid equilibrium (LLE) data including tie-lines was reported for water + formic acid + 2-methylpropyl ethanoate ternary mixture at (293.15 to 323.15)… read more here.

Keywords: formic acid; solutions liquid; aqueous solutions; separation formic ... See more keywords
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Dissolution of Iron Oxides Highly Loaded in Oxalic Acid Aqueous Solution for a Potential Application in Iron-Making

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Published in 2021 at "Isij International"

DOI: 10.2355/isijinternational.isijint-2020-726

Abstract: Dissolution of iron oxides such as hematite (α-Fe2O3), magnetite (Fe3O4), and goethite (α-FeOOH) is an important chemical process in industries to improve properties of industrial minerals (e.g., ore, clay, quartz, soil, and ceramic). During this… read more here.

Keywords: iron oxides; dissolution iron; oxalic acid; iron ... See more keywords
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Removal of acetic acid from aqueous solution by polyethersulfone supported liquid membrane

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Published in 2017 at "Chemical engineering transactions"

DOI: 10.3303/cet1756142

Abstract: Lignocellulosic biomass can be converted to biofuel, which is one of the renewable energy. To achieve this purpose, acid hydrolysis was used to hydrolyse lignocellulosic materials to fermentable sugars. However, acetic acid, a major inhibitory… read more here.

Keywords: removal acetic; acid aqueous; acetic acid; membrane ... See more keywords