Experimental Analysis of rGO-V₂O₅ Nanocomposites for Sustainable Water Remediation Completed with Bibliometric Analysis Toward Achieving Sustainable Development Goals (SDGs)
Keywords:
Adsorption kinetics, Adsorption, Graphene-based adsorbents, Langmuir isotherm, Methyl orange, V₂O₅/rGO nanocomposite, Water remediationAbstract
This work integrates bibliometric analysis with laboratory
experiments to develop nanotechnology-based water
treatment technologies, aligning with Sustainable
Development Goals (SDGs) on providing clean water and
sanitation. A high-adsorption nanomaterial composed of
reduced graphene oxide (rGO) doped with vanadium pentoxide
(V₂O₅) was prepared using thermal doping and analyzed using
XRD, FESEM, and FTIR techniques. This composite
demonstrated the ability to remove 68.98% of methyl orange
dye in just 30 minutes. Kinetic and adsorption studies showed
conformed to a quasi-second-order kinetic model and a
Langmuir single-layer adsorption model, indicating strong
chemisorption and surface homogeneity. This high
performance is attributed to the synergistic effect between
V₂O₅ and rGO in contributing high surface area, improving
electron transport, and enhancing effective sites for capturing
dye molecules. This nanocomposite is a sustainable and
economical option for supporting the smart architecture of
urban water systems, contributing to SDGs.
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