Heliyon,
Journal Year:
2024,
Volume and Issue:
10(17), P. e36731 - e36731
Published: Aug. 29, 2024
Dyes
are
among
the
toxic
contaminants
that
significantly
impact
water
ecosystems.
A
biomaterial
prepared
from
Zizyphus
Spina-Christi
seed
(ZSCS)
to
remove
methylene
blue
(MB)
and
methyl
violet
(MV)
an
aqueous
solution
was
investigated.
Several
techniques
have
been
used,
including
FTIR,
SEM,
EDX,
XPS,
TGA,
characterize
physical
chemical
properties
of
ZSCS.
The
effect
various
parameters
such
as
pH,
adsorbent
dosage,
contact
time,
temperature,
initial
dye
concentration
on
adsorption
process
were
studied.
ZSCS
showed
efficient
MB
MV
with
Langmuir
capacity
666.66
476.19
mg/g,
respectively,
at
experimental
condition
[(pH
=
6;
time
30
min;
T
45
°C,
concentration:
500
mg/L,
dose
0.6
g/L
for
1
dye)].
Kinetic
isotherm
models
applied
fit
outcomes.
result
ultrafast
absorption
a
high
removal
efficiency
within
5
min
indicating
its
effective
properties.
model
most
suitable
describing
dyes
pseudo-second-order
kinetic
fits
better
onto
than
other
models,
suggesting
mechanism
followed
chemisorption.
Our
results
could
offer
cost-effective
approach
wastewater.