Authors :
Dr. B. Sarath Babu; Seerla Venkata Priyanka; Shaik Sahul Vazeer; Dr. D. Hymavathi
Volume/Issue :
Volume 8 - 2023, Issue 4 - April
Google Scholar :
https://bit.ly/3TmGbDi
Scribd :
https://bit.ly/41Y38Ag
DOI :
https://doi.org/10.5281/zenodo.7885021
Abstract :
This research includes the synthesis of
silver/copper nanoparticles that were utilized to extract
methyl orange (MO) from aqueous solutions using
Antigonon Leptopus leaf extract. This method offers
various benefits, including affordability, simplicity, the
use of less harmful materials, and—most importantly—
ecological friendliness. The synthesis of Silver/Copper
nanoparticles using leaf extract has the requisite quality
and is a simple, affordable process. The reduction
reaction was examined by examining the color change
after two to three hours after the leaf extract was
combined with a solution of Silver Nitrate/Copper
Sulphate and heated to a temperature of 60°C or 80°C.
The variables (time, dosage, pH, concentration, and
temperature) were correlated with the decolorization of
Methyl Orange (MO) from aqueous solution using
equilibrium experiments. The results obtained showed
that the optimum conditions for the removal of Methyl
Orange (MO) by using silver nanoparticles and leaf dust
mixture were contact time of 105 min, dosage 1.75g, pH
– 4, concentration – 40 ppm and temperature – 50oC
which resulted in 84.62% dye removal from aqueous
solution. And for Copper nanoparticles and leaf dust
mixture were contact time of 90 min, dosage 2g, pH – 3
,
concentration – 40ppm and temperature –50oC which
resulted in 89.24% dye removal from aqueous solution.
Thus, the copper nanoparticles seem to be a good
adsorbent than silver nanoparticles for the
decolorization of Methyl Orange dye from effluent
wastewater. The Van't Hoff equation is used to analyze
the adsorption process thermodynamically and to
estimate the thermodynamic equilibrium constant (Kc).
Changes in enthalpy (ΔH°), Gibbs free energy (ΔG°),
and entropy (ΔS°) are determined from the value of
(Kc). If ΔG° is negative, the adsorption is spontaneous.
Entropy changes that are positive (ΔS° > 0) imply that
the processes are possible and irreversible.
This research includes the synthesis of
silver/copper nanoparticles that were utilized to extract
methyl orange (MO) from aqueous solutions using
Antigonon Leptopus leaf extract. This method offers
various benefits, including affordability, simplicity, the
use of less harmful materials, and—most importantly—
ecological friendliness. The synthesis of Silver/Copper
nanoparticles using leaf extract has the requisite quality
and is a simple, affordable process. The reduction
reaction was examined by examining the color change
after two to three hours after the leaf extract was
combined with a solution of Silver Nitrate/Copper
Sulphate and heated to a temperature of 60°C or 80°C.
The variables (time, dosage, pH, concentration, and
temperature) were correlated with the decolorization of
Methyl Orange (MO) from aqueous solution using
equilibrium experiments. The results obtained showed
that the optimum conditions for the removal of Methyl
Orange (MO) by using silver nanoparticles and leaf dust
mixture were contact time of 105 min, dosage 1.75g, pH
– 4, concentration – 40 ppm and temperature – 50oC
which resulted in 84.62% dye removal from aqueous
solution. And for Copper nanoparticles and leaf dust
mixture were contact time of 90 min, dosage 2g, pH – 3
,
concentration – 40ppm and temperature –50oC which
resulted in 89.24% dye removal from aqueous solution.
Thus, the copper nanoparticles seem to be a good
adsorbent than silver nanoparticles for the
decolorization of Methyl Orange dye from effluent
wastewater. The Van't Hoff equation is used to analyze
the adsorption process thermodynamically and to
estimate the thermodynamic equilibrium constant (Kc).
Changes in enthalpy (ΔH°), Gibbs free energy (ΔG°),
and entropy (ΔS°) are determined from the value of
(Kc). If ΔG° is negative, the adsorption is spontaneous.
Entropy changes that are positive (ΔS° > 0) imply that
the processes are possible and irreversible.
