Polymer Testing,
Journal Year:
2024,
Volume and Issue:
130, P. 108321 - 108321
Published: Jan. 1, 2024
This
study
addresses
the
critical
issue
of
removing
copper(II)
ions
from
water
using
an
eco-friendly
approach
with
natural
biomaterials.
Alginate,
a
polysaccharide,
is
employed
as
primary
adsorption
material.
The
involves
conversion
alginate
into
nanoparticles,
and
ternary
blend
prepared
by
mixing
nanoparticles
carboxymethyl
cellulose
polyethylene
glycol
(AL-NPs/CMC/PEG).
blend's
morphological
structural
transformations
have
been
comprehensively
investigated
techniques
such
DLS,
FT-IR,
XRD,
TGA,
SEM.
Batch
experiments
were
conducted
systematically
to
investigate
crucial
parameters,
contact
time
(60–300
min),
initial
copper
concentration
(62.5
ppm–1000
ppm),
solution
pH
(2–8),
adsorbent
dosage
(1–5
g).
results
obtained
are
highly
encouraging,
revealing
impressive
80.9
%
efficiency
in
removal
ions.
acquired
experimental
data
then
subjected
analysis
Langmuir
Freundlich,
isotherm,
well
pseudo-first
pseudo-second-order
kinetics
studies.
outcomes
these
isotherm
models
indicated
favorable
fit
Freundlich
suggesting
strong
affinity
between
metal
Furthermore,
kinetic
studies
revealed
that
process
closely
adheres
kinetics,
underlining
reliability
process.
From
desorption
studies,
0.1
M
HCl
was
extremely
effective
eluant
when
compared
HNO3
EDTA.
It
could
be
reused
three
appreciate
efficiency.
research
underscores
potential
for
environmentally
sustainable
address
persistent
environmental
challenge
posed
ion
contamination.
