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Inorganic and Nano-Metal Chemistry Volume 52, 2022 - Issue 3
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Articles

Synthesis and characterization of SBA-15 nanocomposite modified by natural polyphenol tannin for the removal of AB62 from aqueous media: adsorption isotherm, kinetic and thermodynamic studies

Alireza Golshan-Taftia Department of Textile Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
,
Abosaeed Rashidia Department of Textile Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
,
Mohammad Esmail Yazdanshenasb Department of Textile Engineering, Yazd Branch, Islamic Azad University, Yazd, Iran
,
Habib-Allah Tayebic Department of Textile Engineering, Qaemshahr Branch, Islamic Azad University, Qaemshahr, IranCorrespondence[email protected]
&
Ehsan Binaeiand Department of Chemical Engineering, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
Pages 353-364 | Received 24 Mar 2017, Accepted 29 Aug 2021, Published online: 21 Dec 2021
 
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Abstract

In this study, tannin immobilized SBA-15 (Tan@SBA-15-NH2) as a novel adsorbent was synthesized and used for removal of acid blue 62 (AB62) from aqueous media. The synthesized composite was characterized by different methods such as FT-IR, XRD, BET, SEM, EDX and TEM. Effect of some parameters such as pH, adsorbent dosage and contact time for removal of AB62 were examined and optimized. The Langmuir isotherm and pseudo-second order kinetic model were very compatible with the equilibrium and kinetic data and maximum adsorption capacity of 1000 mg/g was achieved.

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