Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Evaluation of Terbutaline Adsorption from Aqueous Medium by Mechanically Generated [Cu (INA)2]-MOF Metal-Organic Framework and its Modified Magnetic Composite ([Cu (INA)2]-MOF@Fe3O4)

Version 1 : Received: 17 December 2022 / Approved: 23 December 2022 / Online: 23 December 2022 (01:51:10 CET)

How to cite: Armaya’u, U.; Ariffin, M. M.; Loh, S. H.; Khalik, W. M. A. W. M.; Yusoff, H. M. Evaluation of Terbutaline Adsorption from Aqueous Medium by Mechanically Generated [Cu (INA)2]-MOF Metal-Organic Framework and its Modified Magnetic Composite ([Cu (INA)2]-MOF@Fe3O4). Preprints 2022, 2022120434. https://doi.org/10.20944/preprints202212.0434.v1 Armaya’u, U.; Ariffin, M. M.; Loh, S. H.; Khalik, W. M. A. W. M.; Yusoff, H. M. Evaluation of Terbutaline Adsorption from Aqueous Medium by Mechanically Generated [Cu (INA)2]-MOF Metal-Organic Framework and its Modified Magnetic Composite ([Cu (INA)2]-MOF@Fe3O4). Preprints 2022, 2022120434. https://doi.org/10.20944/preprints202212.0434.v1

Abstract

Mechanochemical production of copper (II) isonicotinate Metal-Organic Framework ([Cu (INA)2]-MOF) and its modified magnetic iron composite ([Cu (INA)2]-MOF@Fe3O4]) allowed for the adsorptive removal of Terbutaline from water. A variety of characterization techniques, including Fourier, transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), X-ray diffraction (XRD), and scanning electron microscopy (SEM), were used to elucidate the distinct chemical and morphological features of the two advanced materials. The optimal adsorption conditions were determined by investigating a wide range of adsorption-related variables, including contact time, initial Terbutaline concentration, adsorbent dosages pH, and temperature. The chemistry involved in the adsorption process between the adsorbents and the adsorbate molecules was evaluated using the best-fitting models, such as kinetics, isotherms, and thermodynamics, and the regeneration study was performed to evaluate the adsorbents' reusability. Incredibly maximum adsorption capacities (Qmax) of 1667 and 2500 mg L-1 were attained within 40 minutes under alkaline pH 11 by the [Cu (INA)2]-MOF and the [Cu (INA)2]-MOF@Fe3O4, respectively. The adsorbents have been proven to be good for the adsorption of Terbutaline as a priority pollutant in an aqueous solution, with pseudo-first order and Langmuir as the best-fitting models for the kinetic and isotherm models respectively.

Keywords

Adsorption; β-agonists; Magnetic-composite; Metal-Organic Frameworks; Pollutant; Removal; Terbutaline

Subject

Chemistry and Materials Science, Analytical Chemistry

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