Facile fabrication of CuFe2O4 coated with Carbon Quantum Dots nanocomposite as an efficient heterogeneous catalyst toward the reduction of nitroaniline compounds for management of aquatic resources

Abstract

The main objective of the current study is to scrutinize the fabrication of facile carbon quantum dots (CQDs) of glucose along with CuFe2O4-CQD nanocomposite and its catalytic reduction towards 2-Nitroaniline (2-NA) and 4-Nitroaniline (4-NA). Considering this, glucose-CQDs and nanocomposite of CuFe2O4-CQD were synthesized via hydrothermal and co-precipitation methods, respectively. Afterward, the fabricated nanocomposite as a promising nanocatalyst was employed to catalyze the 2-NA and 4-NA as a model of toxic organic pollutants into the 1,2-diaminobenzene (1,2-DAB) and 1,4-diaminobenzene (1,4-DAB) with a reducing agent of sodium borohydride (NaBH4), sequentially. The developed CQDs and magnetic nanocomposite were analyzed using FT-IR, XRD, VSM, SEM, TEM, BET surface area, BJH pore volume, and UV-Vis techniques. The results explicated that the magnetically recyclable CuFe2O4-CQD catalyst demonstrated high activity (∼ 96.7% conversion within 45 s, for 2-NA and ∼ 96.5% conversion within 18 s, for 4-NA) and efficient recyclability (up to 5 Cycles). The pseudo-second-order apparent reaction constant rate (k2) of 2-NA and 4-NA reduction were 7.12×10− 2 and 1.77×10− 1, respectively. These findings reveal that the fabricated catalyst offers a new method for the simultaneous reduction of 2-nitroaniline as well as 4-nitroaniline simply for environmental safety purposes.

The catalytic performance of CuFe2O4@CQD nanocomposite as a high-perform heterogeneous nanocatalyst in nitroaniline group reduction

“…Recently, nanoparticles have been used in various applications such as heat transfer 10 – 14 , lubrication 15 – 17 , CO 2 capture 18 – 20 , textile manufacturing 21 – 25 , photocatalyst, water treatment systems 26 , and catalysis 27 . Magnetic ferrites are used in fundamental research fields due to their electrical, magnetic, chemical/thermal stability properties and spinal properties (MFe 2 O 4 ; M = Ni, Co, Fe, Cu, Zn, etc.)…”

A novel approach to removing pollutant particles from natural gas in town border station (TBS) using nano filters

“…5f, revealed a considerably inferior performance compared to the nano lters. Notably, among the various sections of the conventional lter, the lower part comprising the gas inlet and outlet exhibited the highest degree of pollutant adsorption [26][27][28].…”

“…The fundamental variables contributing to the elevated adsorption rates are the substantial reaction surface areas and porosity exhibited by nanomaterials. The disparity can also be ascribed to the more delicate mesh dimensions of the nano lter component, enabling it to effectively capture pollutants of smaller sizes that would otherwise elude the conventional lter element [45][46][47][48][49][50].…”

Optimizing Nanofluid Formulations for Enhanced Thermophysical Properties in Crude Oil: A Study of MWCNTs and SDS in EOR Processes

“…Nanoparticles within nanosuspensions typically range in size from 1 to 100 nm, and this small size ampli es their effective surface area and notable surface-area-to-volume ratio [6][7][8][9][10][11][12][13][14], impacting uid properties like heat transfer, viscosity, and particle activity on surfaces [5,[15][16][17][18][19]. Moreover, nanoparticles possess unique physicochemical and mechanical properties and exhibit resilience against degradation [20][21][22][23][24][25][26][27],…”