Ternary metal oxide embedded carbon derived from metal organic frameworks for adsorption of methylene blue and acid red 73

Abstract

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Uncapped SnO2 quantum dots for selective adsorption, separation and photocatalytic degradation of a mixture of dyes

“…38 Yu et al used CMOF(Fe/Al/Ni 8/7/5)-NH 2 for the adsorption of MB and Acid Red 73, and equilibrium was attained in 30 min at a neutral pH. 55 Jaseela et al synthesized organic–inorganic hybrid nanocomposites of TiO 2 -PVA using a sol–gel method and utilized it for the selective adsorption of MB dye from the mixture of MB and MO. 39…”

“…38 Yu et al used CMOF(Fe/Al/ Ni 8/7/5)-NH 2 for the adsorption of MB and Acid Red 73, and equilibrium was attained in 30 min at a neutral pH. 55 Jaseela et al synthesized organic-inorganic hybrid nanocomposites of TiO 2 -PVA using a sol-gel method and utilized it for the selective adsorption of MB dye from the mixture of MB and MO. 39 The simple method of synthesis at a low temperature and a single component metal oxide without any capping agent makes the SnO 2 QD 2 unique and cost-effective compared to other reported method.…”

Fabrication of bimetallic-doped materials derived from a Cu-based complex for enhanced dye adsorption and iodine capture

“…The kinetics study was conducted by agitating the CR solution at room temperature with an initial concentration of 80 mg L −1 and C-V-1 dosage of 10 mg. Several kinetic models, including the quasi-first-order kinetic model, pseudo-second-order, intra-particle diffusion model, and Elovich model were employed to simulate the adsorption of CR onto C-V-1. 63,64 Fig. 5e and f reveals the tem-poral evolution of the absorbance of CR aqueous solution adsorbed by C-V-1.…”

“…The embedded NiO was recognized as the anionic adsorption site for MB, while α-Fe 2 O 3 and γ-Al 2 O 3 were recognized as cationic adsorption sites for AR-73. 31 In addition, our recent study demonstrated that the incorporation of Mo atoms as a second metal source into layered carbon nanostructures via pyrolysis from the catalyst precursor of a Cu-based MOF could modify the adsorption performance. 32 Based on the above considerations, a Cu-based complex {[Cu 3 (4-bpah)(CHDA) 3 (H 2 O)]•2H 2 O} n (1), where 4-bpah denotes N,N′-bis(4-pyridinecarboxamide)-1,2-cyclohexane and H 2 CHDA denotes 1,4-cyclohexanedicarboxylic acid, was synthesized in this study and structurally characterized by single-crystal X-ray diffraction (SCXRD), infrared (IR) spectroscopy, and powder X-ray diffraction (PXRD).…”

Removal of Methylene Blue from Industrial Effluents Using Corncob Activated Carbon

“…Among them, "the adsorption technique is well used due to its simple operation conditions and chemical removal efficacy. The adsorption method has been carried out using several adsorbents such as metal oxides, chitosan, graphene, graphene oxides, and activated carbons" [11][12][13][14][15]. To reduce the water treatment price, adsorbents from agricultural byproducts were used by many researchers [16][17][18][19][20].…”