Journal of Coordination Chemistry,
Год журнала:
2024,
Номер
unknown, С. 1 - 27
Опубликована: Дек. 21, 2024
The
effectiveness
of
activated
carbon
green-synthesized
with
silver
phosphate
(AC-Ag/Ag3PO4)
for
the
removal
Rhodamine
B
(RhB)
dye
from
simulated
wastewater
using
a
UVA-assisted
photocatalytic
process
was
investigated.
AC-Ag/Ag3PO4
catalyst
synthesized
by
facile
co-precipitation
method,
and
its
structural,
physicochemical,
electronic
properties
were
evaluated
X-ray
diffraction
(XRD),
Fourier
transform
infrared
(FT-IR)
spectrometry,
scanning
electron
microscopy
(SEM-EDX),
thermogravimetric
nitrogen
sorption
analysis.
results
indicate
that
at
concentration
1
g.L−1
exhibits
remarkable
degradation,
achieving
95.31%
degradation
RhB
after
180
min
under
broadband
UVA
irradiation.
Investigating
elimination
mechanism,
h+
identified
as
key
to
elimination,
itself
contributing
or
through
generation
HO•.
Our
underline
potential
system
an
effective
method
treating
RhB-contaminated
wastewater,
offering
promising
implications
environmental
remediation.
Sustainability,
Год журнала:
2025,
Номер
17(4), С. 1605 - 1605
Опубликована: Фев. 15, 2025
Kaolin
is
a
common
mineral
resource
that
used
commercially.
However,
when
processed,
it
generates
large
amount
of
waste,
usually
rich
in
kaolinite,
mica
and
quartz,
which
gives
rise
to
the
need
manage
reuse
these
residues,
agreement
with
SDG
12/UN
(ensuring
sustainable
consumption
production)
requirements.
Therefore,
this
work
aims
explore
how
add
value
residue
via
its
use
as
photocatalytic
support
for
TiO2,
while
also
meeting
6
(clean
water
sanitization)
After
determination
chemical
mineralogical
composition,
underwent
separation,
by
mechanical
stirring
sieving
aqueous
suspension.
TiO2
was
deposited
on
quartz
fraction
modified-Pechini
method,
using
different
proportions
at
calcination
temperatures.
For
deposition
fraction,
conventional
hydrothermal
synthesis
used,
20%
mica.
Each
material
tested
photohydroxilation
terephthalic
acid
under
UV-C
irradiation
evaluate
formation
hydroxyl
radicals.
The
results
tests
demonstrated
are
inert
photocatalysis
but
provide
an
interesting
TiO2.
highest
efficiency
obtained
synthesized
600
°C
quartz.
Digest Journal of Nanomaterials and Biostructures,
Год журнала:
2025,
Номер
20(1), С. 341 - 350
Опубликована: Апрель 14, 2025
Ag3PO4/CeO2
composites
were
synthesized
with
loading
Ag
source
on
CeO2
which
was
prepared
by
calcination
one-step
precipitation.
The
structure
of
material
characterized
and
analyzed
different
testing
methods.
At
the
same
time,
degradation
effect
simulated
organic
pollutant
Rhodamine
B
antibacterial
E.
coli
investigated
growth
curve,
colony
number
other
experiments.
experimental
results
showed
that
rate
30
mL
40
mg/L
solution
99.91
%,
6.34
times
1.67
Ag3PO4,
respectively.
order
activity
materials
was:
>
Ag3PO4>
CeO2.
Combined
photocatalytic
free
radical
quenching
experiment,
mainly
produced
h+
·O2
-
in
process,
could
produce
reactive
oxygen
species
(ROS)
corresponding
metal
ions
during
released
them
to
attack
cell
wall
coli,
resulting
cytoplasm
leakage,
thus
leading
apoptosis.
