Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Июнь 10, 2023
Abstract
LaFeO
3
/biochar
composite
is
prepared
by
cellulose-modified
microwave-assisted
method
at
450
°C.
The
structure
identified
Raman
spectrum
which,
consists
of
characteristics
biochar
bands
and
octahedral
perovskite
chemical
shifts.
morphology
examined
scanning
electron
microscope
(SEM);
two
phases
are
observed,
rough
microporous
orthorhombic
particles.
BET
surface
area
the
57.63
m
2
/g.
applied
as
a
sorbent
for
removal
Pb
2+
,
Cd
Cu
ions
from
aqueous
solutions
wastewater.
adsorption
ability
reaches
maximum
pH
>
6
ions,
pH-independent
adsorption.
follows
pseudo
2nd
order
kinetic
model,
Langmuir
isotherm
Temkin
isotherms
ions.
capacities,
q
606,
391,
112
mg/g
respectively.
electrostatic
interaction
responsible
on
composite.
In
case
form
complex
with
functional
groups
adsorbate.
shows
high
selectivity
studied
metal
excellent
performance
in
real
samples.
proposed
can
be
easily
regenerated
effectively
reused.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Июнь 10, 2023
Abstract
LaFeO
3
/biochar
composite
is
prepared
by
cellulose-modified
microwave-assisted
method
at
450
°C.
The
structure
identified
Raman
spectrum
which,
consists
of
characteristics
biochar
bands
and
octahedral
perovskite
chemical
shifts.
morphology
examined
scanning
electron
microscope
(SEM);
two
phases
are
observed,
rough
microporous
orthorhombic
particles.
BET
surface
area
the
57.63
m
2
/g.
applied
as
a
sorbent
for
removal
Pb
2+
,
Cd
Cu
ions
from
aqueous
solutions
wastewater.
adsorption
ability
reaches
maximum
pH
>
6
ions,
pH-independent
adsorption.
follows
pseudo
2nd
order
kinetic
model,
Langmuir
isotherm
Temkin
isotherms
ions.
capacities,
q
606,
391,
112
mg/g
respectively.
electrostatic
interaction
responsible
on
composite.
In
case
form
complex
with
functional
groups
adsorbate.
shows
high
selectivity
studied
metal
excellent
performance
in
real
samples.
proposed
can
be
easily
regenerated
effectively
reused.
