In Situ Synthesis of Chitosan-Grafted Polyacrylamide Loaded by TiO2 Nanoparticles for the Adsorption of Sirius Yellow K-CF from Aqueous Media: Isotherm, Kinetic and Thermodynamic Studies

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Binaeian E.; Babaee Zadvarzi s.; Hoseinpour Kasgari a.r.; Ebrahimnezhad Afrouzi m.

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Journal: WATER AND WASTEWATER Year:2019 | Volume:30 | Issue:5 (123) Page(s): 16-30

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Title

In Situ Synthesis of Chitosan-Grafted Polyacrylamide Loaded by TiO2 Nanoparticles for the Adsorption of Sirius Yellow K-CF from Aqueous Media: Isotherm, Kinetic and Thermodynamic Studies

Author(s)

Binaeian E. | Babaee Zadvarzi s. | Hoseinpour Kasgari a.r. | Ebrahimnezhad Afrouzi m. | Issue Writer Certificate

Keywords

AdsorptionQ2

PolyacrylamideQ1

ChitosanQ2

TiO2Q1

CompositeQ1

Abstract

Toxic waste water and infected water are considerable sources of environmental contaminations. Dyes as the source of toxicity of waste water are used in various industries like dyestuff, textile, paper, plastics and pharmaceutical. Recently, reactive dyes have become more commonly used because of their advantages such as better dyeing processing conditions and bright colors. So, removal of dyes from effluents is very important. Among the materials used as the common adsorbents, Chitosan and Polyacrylamide are relatively cheap and the promising materials that can be used as adsorbents. In the present study, TiO2 nanoparticles dispersed in Chitosan grafted Polyacrylamide matrix were synthesized by in situ method and used for the removal of Sirius yellow K-CF dye from aqueous solution. The synthesized nano-Composite was characterized by FE-SEM, TEM, XRD and FT-IR. The effect of pH, adsorbent dosage, time and temperature were investigated. The results showed that the highest dye removal efficiency happended in the acidic pH of 2 with 0. 05 g of TiO2-PAA-Ch adsorbent. The equilibrium data were well compatible with the Langmuir isotherm (qm=1000 mg/g, 96. 81% of dye removal). The Dubinin-Radushkevich isotherm and thermodynamic studies proved that the Adsorption process is physical, endothermic and spontaneous. Kinetic study verifies that pseudo second order kinetic model is the predominant model. In this study, TiO2 nanoparticles dispersed in polymer matrix were synthesized and employed for the removal of Sirius yellow KCF from aqueous media. Electrostatic attraction between positive charges of adsorbent surface (NH3 +) and molecules of anionic dye together with formation of hydrogen bond (Dye-NH3 +), cause the Adsorption of dye on PAA-Ch. On the other hand, Ti+4 in PAA-Ch structure can interact with the anionic molecules through the electrostatic Adsorption. The results of this study show that the new synthesized TiO2-PAA-Ch Composite with high amount of NH2 functional groups and Ti+4 is an efficient adsorbent for environmental applications to remove many contaminants, dyes and organic pollutants.

Cites

Isothermal and Kinetic Evaluation of Adsorption Fish Farm Effluents by Nanocomposites (Chitosan and Activated Carbon)

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APA: Copy

Binaeian, E., Babaee Zadvarzi, s., Hoseinpour Kasgari, a.r., & Ebrahimnezhad Afrouzi, m.. (2019). In Situ Synthesis of Chitosan-Grafted Polyacrylamide Loaded by TiO2 Nanoparticles for the Adsorption of Sirius Yellow K-CF from Aqueous Media: Isotherm, Kinetic and Thermodynamic Studies. WATER AND WASTEWATER, 30(5 (123) ), 16-30. SID. https://sid.ir/paper/103731/en

Vancouver: Copy

Binaeian E., Babaee Zadvarzi s., Hoseinpour Kasgari a.r., Ebrahimnezhad Afrouzi m.. In Situ Synthesis of Chitosan-Grafted Polyacrylamide Loaded by TiO2 Nanoparticles for the Adsorption of Sirius Yellow K-CF from Aqueous Media: Isotherm, Kinetic and Thermodynamic Studies. WATER AND WASTEWATER[Internet]. 2019;30(5 (123) ):16-30. Available from: https://sid.ir/paper/103731/en

IEEE: Copy

E. Binaeian, s. Babaee Zadvarzi, a.r. Hoseinpour Kasgari, and m. Ebrahimnezhad Afrouzi, “In Situ Synthesis of Chitosan-Grafted Polyacrylamide Loaded by TiO2 Nanoparticles for the Adsorption of Sirius Yellow K-CF from Aqueous Media: Isotherm, Kinetic and Thermodynamic Studies,” WATER AND WASTEWATER, vol. 30, no. 5 (123) , pp. 16–30, 2019, [Online]. Available: https://sid.ir/paper/103731/en

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