<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Tamazert kaolin was modified with dimethyl sulfoxide (DMSO). The starting material and resulting from the intercalation were characterized by X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy (SEM). Intercalation caused considerable changes in our clay by increasing the basal spacing to 11.22 Å, an intercalation rate of 98 %. The adsorption of methylene blue was studied as a function of pH, contact time, temperature, dye concentrations and adsorbents. Kinetic data have been adequately described by the pseudo-second order and intraparticle scattering model. The adsorption isotherm is in good agreement with the Redlich-Peterson model. A change in thermodynamic values (<italic>ΔH°</italic>, <italic>ΔS°</italic> and <italic>ΔG°</italic>) was observed after intercalation. Adsorption became non-spontaneous exothermic and ordered.</p></abstract>

Tamazert kaolin was modified with dimethyl sulfoxide (DMSO). The starting material and resulting from the intercalation were characterized by X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy (SEM). Intercalation caused considerable changes in our clay by increasing the basal spacing to 11.22 Å, an intercalation rate of 98 %. The adsorption of methylene blue was studied as a function of pH, contact time, temperature, dye concentrations and adsorbents. Kinetic data have been adequately described by the pseudo-second order and intraparticle scattering model. The adsorption isotherm is in good agreement with the Redlich-Peterson model. A change in thermodynamic values (ΔH°, ΔS° and ΔG°) was observed after intercalation. Adsorption became non-spontaneous exothermic and ordered.

Study of Methylene Blue Adsorption by Modified Kaolinite by Dimethyl Sulfoxide

Laboratory of Plant Physiology Applied to Above-Soil Culture

Improvement and Enhancement of Local Animal Production Laboratory

University Centre Ahmed Ben Yahia Al-wancharissi

Geosciences Environment Laboratory Toulouse (GET)

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Study of Methylene Blue Adsorption by Modified Kaolinite by Dimethyl Sulfoxide"}

Tamazert kaolin was modified with dimethyl sulfoxide (DMSO). The starting material and resulting from the intercalation were characterized by X-ray...

Study of Methylene Blue Adsorption by Modified Kaolinite by Dimethyl Sulfoxide

Pubblicato online: 17 lug 2020

Pagine: 225 - 239

DOI: https://doi.org/10.2478/eces-2020-0015

Parole chiave
kaolin, DMSO, intercalation, adsorption, methylene blue

© 2020 Salima Lellou et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Study of Methylene Blue Adsorption by Modified Kaolinite by Dimethyl Sulfoxide

Pubblicato online: 17 lug 2020

Pagine: 225 - 239

DOI: https://doi.org/10.2478/eces-2020-0015

Parole chiavekaolin, DMSO, intercalation, adsorption, methylene blue

© 2020 Salima Lellou et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
kaolin, DMSO, intercalation, adsorption, methylene blue