Polymers,
Journal Year:
2024,
Volume and Issue:
16(3), P. 445 - 445
Published: Feb. 5, 2024
In
this
study,
the
synthesis
and
characterization
of
grafted
cellulose
fiber
with
binary
monomers
mixture
obtained
using
a
KMnO4/citric
acid
redox
initiator
were
investigated.
Acrylonitrile
(AN)
was
graft
copolymerized
acrylic
(AA)
styrene
(Sty)
at
different
monomer
ratios
evaluating
percent
yield
(GY%).
Cell-g-P(AN-co-AA)
Cell-g-P(AN-co-Sty)
characterized
by
SEM,
FT-IR,
13C
CP
MAS
NMR,
TGA,
XRD.
An
AN
used
as
principle-acceptor
monomer,
GY%
increases
ratio
up
to
60%
total
volume.
The
adsorption
behaviors
studied
for
Ni(II)
Cu(II)
metal
ions
from
aqueous
solution.
Optimal
conditions
determined,
including
8
h
contact
time,
temperature
30
°C,
pH
5.5.
showed
maximum
capacity
435.07
mg/g
375.48
Cu(II),
respectively,
whereas
379.2
349.68
respectively.
Additionally,
equilibrium
isotherms
studied,
results
consistent
Langmuir
model.
model’s
high
determinant
coefficient
(R2)
predicted
monolayer
sorption
ions.
Consequently,
prepared
found
be
efficient
adsorbents
heavy
metals
wastewater
an
affordable
adequate
alternative.
