Arabian Journal of Chemistry,
Journal Year:
2022,
Volume and Issue:
15(9), P. 104059 - 104059
Published: June 20, 2022
A
new
MgO-AC
(magnesium
oxide
modified
activated
carbon)
adsorbent
was
successfully
synthesized
under
microwave
irradiation.
XRD,
FT-IR,
XPS,
SEM
and
N2
adsorption
were
used
to
characterize
the
properties
of
MgO-AC.
It
found
that
highly
crystalline
preparation
process,
doping
MgO
(Magnesium
oxide)
did
not
cause
gap
blockage
AC
(activated
carbon),
but
micropore
area
average
pore
size
increased
significantly.
Multiple
conditional
parameters
studied
determine
optimal
effect,
such
as
roasting
temperature,
holding
time,
amount,
contact
system
pH,
initial
concentration
Cd(II)
(divalent
cadmium
ion).
The
results
show
parameter
conditions
are
follows:
insulation
temperature
is
800
°C,
time
40
min,
amount
1/20
AC,
maximum
capacity
649.9
mg·g−1
at
pH
=
7.
In
addition,
thermodynamic
studies
process
spontaneous
endothermic,
kinetic
isotherm
models
pseudo-second-order
model
Langmuir
well
fitted
for
process.
