The adsorption equilibrium data were fitted very well by the
Langmuir isotherm model, with R2 > 0.99.
The adsorption of the dye onto modified JF reached equilibrium in a short contact time, resulting in fast and efficient dye removal,
which would be beneficial
for practical purposes.
The rate of the adsorption process was found to conform reasonably well with the pseudosecond-order kinetic model.
The low value determined for the Arrhenius activation energy (9.31 kJ mol−1) suggests that CR adsorption on treated
JF is a physisorption process.
In addition,
the effective desorption of CR from the spent adsorbent with
0.1 M NaOH solution implies the involvement of an ionexchange
mechanism during adsorption.
Thus, the present investigation has provided a new efficient, stable, low-cost,economical, and environmentally safe adsorbent
with potential
for practical application in the treatment of dye-contaminated
wastewater.
The adsorption equilibrium data were fitted very well by the
Langmuir isotherm model, with R2 > 0.99.
The adsorption of the dye onto modified JF reached equilibrium in a short contact time, resulting in fast and efficient dye removal,
which would be beneficial
for practical purposes.
The rate of the adsorption process was found to conform reasonably well with the pseudosecond-order kinetic model.
The low value determined for the Arrhenius activation energy (9.31 kJ mol−1) suggests that CR adsorption on treated
JF is a physisorption process.
In addition,
the effective desorption of CR from the spent adsorbent with
0.1 M NaOH solution implies the involvement of an ionexchange
mechanism during adsorption.
Thus, the present investigation has provided a new efficient, stable, low-cost,economical, and environmentally safe adsorbent
with potential
for practical application in the treatment of dye-contaminated
wastewater.
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