Water,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3469 - 3469
Published: Dec. 2, 2024
Ibuprofen
is
a
significant
nonsteroidal
anti-inflammatory
drug
that
poses
environmental
and
health
risks
when
present
in
wastewater
because
of
its
persistence
probable
toxicity.
This
study
investigates
the
use
banana
peel
biochar
(BPB)
made
at
600
°C
to
900
eliminate
ibuprofen
from
aqueous
solutions.
The
uniqueness
this
work
lies
high-temperature
pyrolysis
process,
which
has
not
been
previously
explored
for
removal
efficiency
using
BPB.
batch
experiment
was
conducted
considering
initial
concentrations,
pH,
contact
time.
data
were
compared
with
different
algorithms,
Linear
Regression
(LR),
Support
Vector
Machines
(SVM),
Decision
Trees
(DT),
Random
Forest
(RF),
k-Nearest
Neighbor
(k-NN)
forecast
performance.
results
revealed
exhibited
highest
(69.28
±
0.83%)
125
mg/L
concentration
sequence
BPB900
>
BPB800
BPB700
BPB600.
A
maximum
72.67
0.75%
observed
pH
9.
Adsorption
behavior
analyzed
isotherm
kinetic
models,
Freundlich
model
(R2
value
0.9620)
indicating
heterogeneous
adsorption
pseudo-second-order
(PSO)
0.9969)
suggesting
physicochemical
interactions
govern
process.
FTIR
analysis
ensured
existence
functional
groups
(hydroxyl,
carboxylic,
carbonyl,
aromatic
rings)
responsible
adsorption.
Machine
learning
especially
RF,
demonstrated
outstanding
performance
90.07%
accuracy
predicting
experimental
data.
In
comparison
other
adsorbents,
BPB
superior
efficiency,
underscoring
effectiveness.
suggests
BPB,
particularly
°C,
effective
removing
ibuprofen,
due
sustainable
production,
it
offers
potential
solution
treatment.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(9), P. 2046 - 2046
Published: May 4, 2025
A
novel
3-amino-5-mercapto-1,2,4-triazole
functionalized
graphene
oxide
composite
(GO-ATT)
was
successfully
prepared
via
a
covalent
coupling
method,
then
employed
for
the
removal
of
p-nitrophenol
(PNP)
from
wastewater.
The
morphology
as
well
composition
GO-ATT
were
investigated
using
Fourier
transform
infrared
spectroscopy
(FT-IR),
scanning
electron
microscopy
(SEM),
thermogravimetric
analysis
(TGA),
X-ray
diffraction
(XRD),
and
photoelectron
(XPS).
surface
charge
evaluated
by
Zeta
potential
analyses.
area
pore
size
distribution
analyzed
specific
analyses
Brunauer–Emmett–Teller
(BET)
method.
Batch
adsorption
experiments
performed
to
investigate
effects
conditional
factors,
including
contact
time,
solution
pH,
initial
PNP
concentration,
temperature,
on
process.
maximum
capacity
(0.287
mmol
g−1)
could
be
obtained
at
25
°C.
Freundlich
isotherm
(R2
>
0.92505)
can
better
describe
behavior
composite.
thermodynamic
functions
(ΔG°,
ΔH°,
ΔS°)
indicate
that
is
spontaneous,
endothermic,
entropy-increasing
process
features
physisorption.
conformed
nonlinear
pseudo-second-order
kinetic
model.
Adsorption
mechanism
investigation
indicated
electrostatic,
π-π
stacking,
hydrogen
bonding
interactions
involved
in
After
10
adsorption–desorption
cycles,
adsorbent
exhibited
stable
efficient
rate
(94%)
PNP.
Due
its
advantages
high
efficiency,
excellent
reusability,
stability,
covalently
coupled
might
used
an
effective
phenolic
contaminants
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(9), P. e20268 - e20268
Published: Sept. 1, 2023
The
presence
of
pharmaceutical
products,
dyes,
and
toxic
metal
ions
in
water
is
a
major
problem
worldwide.
This
work
developed
low-cost
pomegranate-based
materials
to
uptake
ibuprofen,
cadmium
methylene
blue
from
water.
Pomegranate
husks
(PPH)
were
carbonized
at
400
°C
form
pomegranate
husk
(CPH),
nanoparticles
loaded
into
the
carbon
surface
(NPH)
by
co-precipitation.
SEM
micrographs
showed
that
morphology
was
highly
porous
compared
pristine
husk.
data
for
BET
revealed
CPH
NPH,
had
about
20-fold
increase
area
142
m2/g
190
respectively
with
9.27
PPH.
composites
exhibited
larger
pore
sizes
volumes.
TEM
images
confirmed
loading
nanoparticles.
FTIR
results
on
their
oxygenated
groups
such
as
-OH,
-C]O,
-COC
other
like
-NH
-C]C
which
are
anticipated
play
an
essential
role
sorption
pollutants.
It
found
removal
efficiency
increased
when
there
progressive
pollutant
concentration
all
adsorbents.
best
pH
value
solution
processes
8.
recorded
adsorption
capacities
8
Cd(II),
IBU
MB
92.85,
39.77
95.89
mg/g
72.60,
32.58
80.59
32.78,
16.12
40.79
Contact
time
studies
three
steps.
Step
1:
rapid
initial
stage.
2:
marginal
uptake.
3:
plateau.
trends
indicated
influenced
temperature
variation.
thermodynamic
parameter
△Ho
suggest
endothermic;
obtained
positive
values
indicate
this.
PPH
between
(64.33-69.08
kJ/mol),
82.84-86.03
kJ/mol
87.17-88.96
NPH.
For
PPH,
molecular
interactions
physisorption,
chemisorption
△So
has
values,
showing
freedom
during
sorption.
adsorbents
followed
PSO
based
involving
syngenetic
mechanisms.
