Particuology,
Год журнала:
2023,
Номер
87, С. 179 - 193
Опубликована: Авг. 25, 2023
The
primary
objective
of
this
research
was
to
assess
the
potential
magnetic
bleached
biochar
(MBBC)
as
a
cost-effective
adsorbent
for
arsenic
removal.
To
achieve
this,
locally
collected
tea
wastes
underwent
meticulous
cleaning,
bleaching,
and
modifications
via
thermal
chemical
treatments.
Both
non-magnetic
adsorbents
were
thoroughly
characterized
using
Fourier
transform-infrared
spectroscopy
(FT-IR)
thermo-gravimetric
analysis
(TGA).
Subsequently,
adsorptive
performance
MBBC
in
removing
from
wastewater
samples
investigated,
considering
various
crucial
parameters
such
adsorbent-adsorbate
contact
time,
concentration
As,
temperature,
dosage,
regeneration-ability
adsorbent.
experimental
data
adsorption
process
best
represented
by
Langmuir
isotherm,
indicating
its
suitability
Remarkably,
demonstrated
maximum
capacity
approximately
714
mg/g
at
room
highlighting
efficiency
an
Furthermore,
Lagergren's
Pseudo-second
order
kinetic
model
proved
be
most
suitable
describing
kinetics,
confirming
chemisorption
nature
process.
results
also
indicated
that
is
endothermic
feasible,
suggesting
viability
practical
applications.
Taking
all
findings
into
account,
comprehensive
strongly
supports
use
highly
promising
efficiently
aqueous
samples.
This
contributes
valuable
insights
field
treatment
offers
sustainable
environmentally
friendly
solution
tackling
contamination
water
sources.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Окт. 20, 2023
Abstract
A
novel,
magnetic
HKUST-1
MOF
based
on
MgFe
2
O
4
-NH
was
designed
and
synthesized
in
two
steps
applied
effective
removal
of
malachite
green
(MG),
crystal
violet
(CV),
methylene
blue
(MB)
from
water
samples.
Characterization
the
newly
-HKUST-1
performed
by
various
techniques
such
as
Fourier
transform
infrared
spectroscopy,
X-ray
diffraction,
Field
emission
scanning
electron
microscopy,
Brunauer–Emmett–Teller,
Thermal
gravimetric
analysis,
Vibration
sampling
magnetometry.
Malachite
green,
are
toxic
mutagenic
dyes
that
can
be
released
into
different
ways
cause
many
problems
for
human
health
environment.
The
violet,
aqueous
solutions
investigated
using
this
research.
effect
parameters
pH,
amount
sorbent,
dye
concentration,
temperature,
contact
time
has
been
studied.
results
showed
more
than
75%
were
removed
within
5
min.
Adsorption
isotherms,
Kinetic,
thermodynamic
studies
investigated.
study
show
adsorption
capacity
adsorbent
is
equal
to
108.69
mg
g
−1
MG,
70.42
CV,
156.25
MB.
This
shows
good
strategy
synthesis
functionalized
form
its
capability
increasing
efficiency
process
an
solution.
Particuology,
Год журнала:
2023,
Номер
87, С. 179 - 193
Опубликована: Авг. 25, 2023
The
primary
objective
of
this
research
was
to
assess
the
potential
magnetic
bleached
biochar
(MBBC)
as
a
cost-effective
adsorbent
for
arsenic
removal.
To
achieve
this,
locally
collected
tea
wastes
underwent
meticulous
cleaning,
bleaching,
and
modifications
via
thermal
chemical
treatments.
Both
non-magnetic
adsorbents
were
thoroughly
characterized
using
Fourier
transform-infrared
spectroscopy
(FT-IR)
thermo-gravimetric
analysis
(TGA).
Subsequently,
adsorptive
performance
MBBC
in
removing
from
wastewater
samples
investigated,
considering
various
crucial
parameters
such
adsorbent-adsorbate
contact
time,
concentration
As,
temperature,
dosage,
regeneration-ability
adsorbent.
experimental
data
adsorption
process
best
represented
by
Langmuir
isotherm,
indicating
its
suitability
Remarkably,
demonstrated
maximum
capacity
approximately
714
mg/g
at
room
highlighting
efficiency
an
Furthermore,
Lagergren's
Pseudo-second
order
kinetic
model
proved
be
most
suitable
describing
kinetics,
confirming
chemisorption
nature
process.
results
also
indicated
that
is
endothermic
feasible,
suggesting
viability
practical
applications.
Taking
all
findings
into
account,
comprehensive
strongly
supports
use
highly
promising
efficiently
aqueous
samples.
This
contributes
valuable
insights
field
treatment
offers
sustainable
environmentally
friendly
solution
tackling
contamination
water
sources.
