Abstract
This research synthesized, characterized, and applied the metal organic framework of silver benzene 1, 4-dicaboxylate for crude oil adsorption on water, which was simulated. Silver-metal organic frameworks (Ag-MOFs) were synthesized by reacting hydrated silver nitrate, AgNO<sub>3</sub>.6H<sub>2</sub>O, with 1, 4-benzenedicarboxylic acid (BDA) in N, N-dimethylformamide as a solvent. Solvothermal method was utilized for the process. The MOFs obtained were studied by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and energy dispersive x-ray spectroscopy (EDX). The adsorbent surface had large pores, and SEM micrographs revealed a mixture of particles with tetrahedral, flat, or plate-like shapes. Ag, C, and O, had an elemental composition of 50.9%, 29.6%, and 19.5%, according to EDX respectively. An adsorption research was done using 1 mL, 2 mL, 3 mL, and 4 mL of crude oil at adsorbent (Ag-MOF) doses of 0.2 g, 0.4 g, 0.6 g, 0.8 g, and 1 g for the adsorption of the crude oil from 50 mL of distilled water. The data obtained revealed that 0.2 g adsorbed 0.7 mL, 0.4 g adsorbed 0.8 mL, 0.6 g adsorbed 0.9 mL, and 0.8 g and 1.0 g of Ag-MOF adsorbed 1 mL. 1g of Ag-MOF applied to different volumes of the crude oil, showed an adsorption of 100% of the 2 mL, 2.9 mL (96.67%) of 3 mL, and 3.7 mL (92.5%) of 4 mL. The result of the effect of pH, showed an excellent adsorption at the pH used. Composites with clay and charcoal were used for the adsorption of the crude oil. The composite with clay was good, but not as good as charcoal for adsorption of crude oil. These results imply that an optimized quantity of Ag-MOF can be utilized in crude oil spill remediation in our environment.
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