International Journal of Environmental & Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 27
Published: Jan. 2, 2025
Magnetic-activated
biochar
nanocomposite
(MABN)
was
synthesized
for
the
first
time
from
a
novel
precursor
viz.
Vicia
faba
Peel
(VFP)
via
one-pot
ZnCl2/FeCl3
activation
route.
The
preparation
conditions,
including
amount
of
activator
(1:1
-3:1
ZnCl2/FeCl3:
VFP),
temperature
(400-800
°C),
and
(30-120
min),
were
optimized.
outcomes
disclosed
that
an
impregnation
ratio
1:1
activator:
VFP,
600
°C,
60
min,
typical
conditions
to
synthesize
best
MABN.
Identifying
MABN
by
several
techniques,
FTIR
spectroscopy,
VSM,
XRD,
FESEM,
EDX,
TEM,
specific
surface
area,
accomplished.
findings
this
had
area
449.72
m2/g,
mesoporous
structure,
saturation
magnetization
11.11
emu/g.
After
trying
in
eliminating
Eriochrome
Black
T
dye
(EBT)
Cr
(VI)
their
aqueous
phases,
maximum
elimination
EBT
200
mg/L
initial
concentration
97.10%
using
0.20
at
pH=
2.
0
120
min
30
°C.
highest
removal
solution
containing
100
amounted
99.55
%,
employing
g
°C
90
pH
2.0.
Adsorption
data
fitted
correctly
Langmuir
isotherm
pseudo-2nd-order
kinetic
model.
Moreover,
adsorption
capacity
(Qm,
mg/g)
resulting
102.58
mg/g
95.16
mg/g,
respectively.
could
be
recycled
reused
with
adsorptive
performance
over
80
%
above
4th
reuse
cycle.
In
conclusion,
utilizing
VFP
as
producing
single-step
route
magnetizing
agent
is
feasible
create
adsorbent
effective
various
pollutants
wastewaters.
