DataVXACS Applied Materials & InterfacesPaper
journal article·2023-06-28

Magnetic Nitrogen-Rich UiO-66 Metal–Organic Framework: An Efficient Adsorbent for Water Treatment

Farhad Ahmadijokani, Salman Ahmadipouya, Mahdi Heidarian Haris, Mashallah Rezakazemi, Awais Bokhari, Hossein Molavi, Mohsen Ahmadipour, Swee-Yong Pung, Jiří Jaromír Klemeš, Tejraj M. Aminabhavi, Mohammad Arjmand

ACS Applied Materials & Interfaces· Volume 15· Issue 25
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Source abstract

Abstract

The postsynthetic modification of metal–organic frameworks (MOFs) has opened up a promising area to widen their water treatment application. However, their polycrystalline powdery state still restricts their widespread industrial-scale applications. Herein, the magnetization of UiO-66-NH 2 is reported as a promising approach to facilitate the separation of the used MOFs after water treatment. A two-step postmodification procedure employing 2,4,6-trichloro-1,3,5-triazine (TCT) and 5-phenyl-1 H -tetrazole (PTZ) agents was introduced to level up the adsorption performance of the magnetic nanocomposite. Despite a decrement in porosity and specific surface area of the designed MOFs (m-UiO-66-TCT) compared to neat UiO-66-NH 2, it outweighs in adsorption capacity. It was observed that m-UiO-66-TCT has an adsorption capacity of ≈298 mg/g for methyl orange (MO) with facile MOF separation using an external magnet. Pseudo-second-order kinetic model and Freundlich isotherm models suitably interpret the experimental data. Thermodynamic studies showed that MO removal using m-UiO-66-TCT is spontaneous and thermodynamically favorable at higher temperatures. The m-UiO-66-TCT composite exhibited easy separation, high adsorption capacity, and good recyclability, rendering it an attractive candidate for the adsorptive removal of MO dye from aqueous environments.
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Research context

NanomaterialsComposites

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Adsorption and biosorption for pollutant removal · Covalent Organic Framework Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada

Department of Materials Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada

Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran P932+FM4, Iran

Faculty of Chemical and Materials Engineering, Shahrood University of Technology, Shahrood 9WVR+757, Iran

Sustainable Process Integration Laboratory - SPIL, NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology- VUT Brno, Technická 2896/2, 616 69 Brno, Czech Republic

Department of Chemistry, Institute for Advanced Studies in Basic Science (IASBS), Gava Zang, Zanjan 45137-66731, Iran

Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, NibongTebal, Pulau Pinang 14300, Malaysia

Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580031, India

School of Engineering, UPES, Bidholi, Dehradun 248 007, Uttarakhand, India

Funding

Ministerstvo ?kolstv?, Ml?de?e a Telov?chovy · Canada Research Chairs · Institute for Advanced Studies in Basic Sciences

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