Arabian Journal of Chemistry,
Год журнала:
2024,
Номер
17(7), С. 105838 - 105838
Опубликована: Май 19, 2024
Upcycling
industrial
solid
waste,
such
as
coal
gasification
slag
and
fly
ash,
to
functional
adsorbents
with
unique
structures
for
water
decontamination
is
of
great
importance
achieving
Sustainable
Development
Goal
6.0.
This
study
used
ash
synthesise
mesoporous
activated
carbon
@zeolite
socony
mobil-5
(MAC@ZSM-5)
composite.
Various
analytical
techniques
were
investigate
the
surface,
morphological,
structural
properties
MAC@ZSM-5
The
composite
had
a
relatively
high
specific
surface
was
classified
adsorbent.
an
adsorbent
in
ultrasound-assisted
micro
phase
extraction
(UA-µSPE)
effective
preconcentration
removal
aspirin
(ASP),
ibuprofen
(IBP),
paracetamol
(PCT)
from
samples
before
determination
by
high-performance
liquid
chromatography
equipped
photodiode
array
detector
(HPLC-DAD).
Langmuir
adsorption
isotherm
characterised
adsorptive
method,
while
kinetics
followed
pseudo-second
order
type.
Thermodynamic
studies
revealed
that
process
endothermic,
spontaneous,
chemisorption.
Additionally,
UA-µSPE/HPLC-DAD
method
displayed
good
linear
range
0.1–1000
µg/L,
coefficient
greater
than
0.99.
developed
performance,
shown
low
limits
detection
(LODs:
0.017–0.064
µg/L)
quantification
(LOQs:
0.057–0.21
well
precision
(relative
standard
deviation
(%RSD)
<
5
%).
proposed
applied
successfully
target
analytes
real
samples.
reusable
(up
cycles)
proved
promising
extraction,
preconcentration,
emerging
contaminants
bodies.
Water Research X,
Год журнала:
2025,
Номер
28, С. 100315 - 100315
Опубликована: Фев. 8, 2025
The
structural
modulation
of
pristine
graphitic
carbon
nitride
poses
a
considerable
challenge
in
the
rational
design
catalysts
for
efficient
degradation
small
organic
pollutants
under
visible
light.
In
this
study,
we
combined
first-principles
calculations
and
structure-function
relationship
to
predict
high-performance
catalyst.
results
reveal
that
CN-8
demonstrates
remarkable
degree
electron-hole
separation.
Notably,
shows
exceptional
efficiency
towards
rhodamine
B,
tetracycline,
bisphenol
A,
fluralaner
light
irradiation.
Specifically,
rate
constants
are
11,
4,
12,
32
times
higher,
respectively,
compared
bulk
g-C3N4.
Through
density
functional
theory
investigations
relationship,
it
is
confirmed
superior
catalytic
activity
lies
modifying
amino
position,
which
alters
electron
cloud
distribution
promotes
separation
photo-generated
pairs.
This
study
provides
valuable
insights
development
eco-friendly
photocatalysts
environmental
remediation.
Chemosensors,
Год журнала:
2025,
Номер
13(2), С. 65 - 65
Опубликована: Фев. 11, 2025
This
review
highlights
recent
advances
in
the
development
of
electrochemical
sensors
and
biosensors
for
detecting
pharmaceutical
contaminants
water
samples,
including
surface
water,
wastewater,
bottled
water.
The
electrode
modification
materials—such
as
nanomaterials,
conductive
polymers,
eco-friendly
nanocomposites—have
shown
notable
improvements
sensor
sensitivity
selectivity,
enabling
detection
various
compounds,
diclofenac,
ibuprofen,
antibiotics,
hormones.
Future
research
directions
suggest
use
nanocomposites,
multiplexed
platforms
simultaneous
contaminant
detection,
integration
into
portable
devices
situ
monitoring.
Additionally,
integrating
with
specific
biomolecules
IoT
technology
can
expand
their
applicability,
continuous
efficient
quality
monitoring,
thus
supporting
public
health
environmental
protection.
