Articles with "montmorillonite" as a keyword



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Effect of reactive montmorillonite with amino on the properties of polyimide/montmorillonite nanocomposite

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Published in 2019 at "Polymer Bulletin"

DOI: 10.1007/s00289-019-02767-2

Abstract: Abstract The polyimide/montmorillonite nanocomposite based on the reactive montmorillonite with amino was prepared via in situ polymerization. The reactive montmorillonite with amino was obtained by the intercalation and coupling reaction. The reactive montmorillonite could be… read more here.

Keywords: montmorillonite nanocomposite; montmorillonite amino; reactive montmorillonite; montmorillonite ... See more keywords
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Thermal and electrochemical studies of Fe(III) organophilic montmorillonite

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Published in 2017 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-017-6327-z

Abstract: This study aimed at investigating the thermal and electrochemical behavior of montmorillonite clay-8-hydroxyquinoline (8-HQ) film in the absence and presence of aqueous Fe(III) ions. The solid film characterization by means of UV spectroscopy, thermal (TG/DTG… read more here.

Keywords: electrochemical studies; thermal electrochemical; iii ions; montmorillonite ... See more keywords
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Thermal and electrochemical studies of Cu(II) 8-hydroxyquinoline organophilic montmorillonite

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Published in 2017 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-017-6577-9

Abstract: The thermal and electrochemical behavior of montmorillonite clay-8-hydroxyquinoline (8-HQ) film was studied in the absence and presence of aqueous Cu(II) ions. The suggested formation of the ternary complex type: {Pt/[> Si–O]n[Cu(II)(OH2)n(8-HQ)k]}3−n−k, with thermal stability up to… read more here.

Keywords: studies hydroxyquinoline; hydroxyquinoline organophilic; electrochemical studies; thermal electrochemical ... See more keywords
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Sorption kinetics of plutonium (V)/(VI) to three montmorillonite clays

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Published in 2018 at "Applied Geochemistry"

DOI: 10.1016/j.apgeochem.2018.06.001

Abstract: Abstract Pu(V) adsorbed to the surface of montmorillonite clay can be reduced to Pu(IV). In this work, the role of clay structural Fe on this surface mediated reduction reaction was investigated by quantifying Pu(V)/(VI) sorption… read more here.

Keywords: three montmorillonite; reduction; sorption rates; montmorillonite ... See more keywords
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Insight into thiabendazole interaction with montmorillonite and organically modified montmorillonites

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Published in 2017 at "Applied Clay Science"

DOI: 10.1016/j.clay.2016.12.001

Abstract: Abstract The interactions of the fungicide, thiabendazole (TBZ) on montmorillonite (Mt) and organoclays synthesized from phosphatidylcholine (DSPC) and octadecyltrimethylammonium bromide (ODTMA) was investigated for water remediation. The affinity of TBZ on the surface of Mt… read more here.

Keywords: tbz; thiabendazole interaction; montmorillonite; interaction montmorillonite ... See more keywords
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Montmorillonite- hydrothermal carbon nanocomposites: Synthesis, characterization and evaluation of pesticides retention for potential treatment of agricultural wastewater

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Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2019.124192

Abstract: Abstract Montmorillonite (M) was modified by addition of hydrothermal carbon (HC) in order to obtain pesticide adsorbent materials. Carbohydrates were used as carbon source, and in some cases, also phosphoric acid was applied as activation… read more here.

Keywords: sample; carbon; treatment; surface ... See more keywords
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Innovative bactericidal adsorbents containing modified xanthan gum/montmorillonite nanocomposites for wastewater treatment.

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Published in 2020 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2020.11.065

Abstract: Herein, we reported the preparation of novel antibacterial nanocomposites based on biodegradable polymers. The nanocomposites were applied as capable adsorbent for removing of malachite green (MG) dye, as well as inhibiting of E. coli and… read more here.

Keywords: adsorption; xanthan gum; montmorillonite; bactericidal adsorbents ... See more keywords
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Combined XAFS Spectroscopy and Ab Initio Study on the Characterization of Iron Incorporation by Montmorillonite.

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Published in 2017 at "Environmental science & technology"

DOI: 10.1021/acs.est.7b01670

Abstract: Iron occurs in clay minerals in both ferric and ferrous forms. Depending on its oxidation state and the environmental conditions, it can participate in redox reactions and influence the sorption processes at surfaces of clay… read more here.

Keywords: study; initio; montmorillonite; spectroscopy ... See more keywords
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Molecular Level Investigation of CH4 and CO2 Adsorption in Hydrated Calcium–Montmorillonite

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b05364

Abstract: We have studied the mechanism of intercalation and methane adsorption from a H2O/CH4/CO2 mixture on a prototypical swelling shale component, Ca–montmorillonite. We employed ab initio molecular dynamics simulations at 323 K and 90 bar to… read more here.

Keywords: adsorption; molecular level; ch4 co2; ch4 ... See more keywords
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Flotation of coal in the presence of quartz and clay minerals

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Published in 2018 at "International Journal of Coal Preparation and Utilization"

DOI: 10.1080/19392699.2018.1487408

Abstract: ABSTRACT A flotation study was conducted to evaluate the separation of coal in the presence of quartz and clay minerals. The interaction energies between coal and quartz, kaolinite, and montmorillonite were analyzed via the Extended… read more here.

Keywords: quartz kaolinite; quartz; montmorillonite; presence quartz ... See more keywords
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Features of the Hydrothermal Synthesis of Montmorillonite in an Acidic Medium

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Published in 2018 at "Glass Physics and Chemistry"

DOI: 10.1134/s1087659618060081

Abstract: The process of the hydrothermal crystallization of montmorillonite Na2x(Al2(1 – x),Mg2x)-Si4O10(OH)2 · nH2O (0 < x ≤ 1) is studied in a weakly acidic medium with pH 4–4.5 at 220°С using HF as a mineralizer. The results… read more here.

Keywords: hydrothermal synthesis; medium; features hydrothermal; acidic medium ... See more keywords