Effectiveness of a novel polyaniline@Fe-ZSM-5 hybrid composite for Orange G dye removal from aqueous media: Experimental study and advanced statistical physics insights

Date

2022-05-01

Author

Imgharn, Abdelaziz
Anchoum, Lahoucine
Hsini, Abdelghani
Naciri, Yassine
Laabd, Mohamed
Mobarak, Mohamed
Aarab, Nouh
Bouzıanı, Asmae
Szunerits, Sabine
Boukherroub, Rabah
Lakhmiri, Rajae
Albourine, Abdallah

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A polyaniline@Fe-ZSM-5 composite was synthesized via an in situ interfacial polymerization procedure. The morphology, crystallinity, and structural features of the as-developed PANI@Fe-ZSM-5 composite were assessed using scanning electron microscopy – energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). The composite was efficiently employed for the first time as an adsorbent Orange G (OG) dyestuff from water. The OG dye adsorption performance was investigated as a function of several operating conditions. The kinetic study demonstrated that a pseudo-second-order model was appropriate to anticipate the OG adsorption process. The maximum adsorption capacity was found to be 217 mg/g. The adsorption equilibrium data at different temperatures were calculated via advanced statistical physics formalism. The entropy function indicated that the disorder of OG molecules improved at low concentrations and lessened at high concentrations. The free enthalpy and internal energy functions suggested that the OG adsorption was a spontaneous process and physisorption in nature. Regeneration investigation showed that the PANI@Fe-ZSM-5 could be effectively reused up to five cycles. The main results of this work provided a deep insight on the experimental study supported by advanced statistical physics prediction for the adsorption of Orange G dye onto the novel polyaniline@Fe-ZSM-5 hybrid composite. Additionally, the experimental and advanced statistical physics findings stated in this study may arouse research interest in the field of wastewater treatment.

Subject Keywords

Advanced statistical physics, Composite, Dye removal, Fe-ZSM-5, Polyaniline, Regeneration

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85124211446&origin=inward
https://hdl.handle.net/11511/96527

Journal

Chemosphere

DOI

https://doi.org/10.1016/j.chemosphere.2022.133786

Collections

Department of Chemical Engineering, Article

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Citation Formats

A. Imgharn et al., “Effectiveness of a novel polyaniline@Fe-ZSM-5 hybrid composite for Orange G dye removal from aqueous media: Experimental study and advanced statistical physics insights,” Chemosphere, vol. 295, pp. 0–0, 2022, Accessed: 00, 2022. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85124211446&origin=inward.