Processes,
Год журнала:
2025,
Номер
13(1), С. 163 - 163
Опубликована: Янв. 9, 2025
Increasing
water
pollution
by
bio-recalcitrant
contaminants
necessitates
the
use
of
robust
treatment
methods.
Individual
methods
are
not
effective
against
these
emerging
organic
pollutants
due
to
their
stability
in
environment.
This
has
necessitated
advanced
integrated
systems
such
as
photocatalytic
membranes.
Synergy
reactive
membranes
effectively
degrades
pollutants.
review
presents
state
art
synthesis
and
application
wastewater
treatment.
The
study
critically
evaluates
pertinent
aspects
required
improve
performance
membranes,
tailored
material
synthesis,
membrane
fouling
control,
improved
photocatalyst
light
absorption,
visible
from
sunlight,
enhanced
reaction
kinetics
through
synergy,
regeneration
reuse.
Previous
studies
report
on
effectiveness
removal
synthetic
actual
wastewater.
As
such,
they
show
great
potential
decontamination;
however,
also
face
limitations
that
need
be
addressed.
identifies
challenges
provides
a
way
forward
increasing
photoactivity
titanium
oxide,
mitigation,
scalability,
improving
cost
effectiveness,
enhancing
stability,
other
relevant
scaling
up
efforts
lab
scale
industrial
scale.
RSC Advances,
Год журнала:
2024,
Номер
14(28), С. 19984 - 19995
Опубликована: Янв. 1, 2024
The
present
study
has
shown
that
eggshells
are
important
as
a
raw
material
for
the
successful
synthesis
of
CaO.
synthesized
sample
was
analyzed
photodegradation
AR,
BPB,
MB,
MG,
and
MR
dyes
using
UV
light.
Molecules,
Год журнала:
2025,
Номер
30(3), С. 696 - 696
Опубликована: Фев. 5, 2025
Protolytic
reactions
on
the
surface
of
a
titania
photocatalyst
(TiO2
P25
containing
chlorine
impurities)
were
studied
using
potentiometric
and
calorimetric
acid-base
titration.
The
impurity
was
removed
by
either
washing
or
heat
treatment.
efficiency
purification
tested
(TOX)
analysis
Common
intersection
points
−0.023
−0.021
mmol/g
obtained
for
original
400
°C
heat-treated
samples,
which
are
in
good
agreement
with
measured
TOX
value
28
mmol/kg.
point
zero
charge
purified
sample
determined
to
be
6.50.
Titration
data
fitted
simulate
protolytic
during
isothermal
titrations
titania.
evolved
measured,
corrected
mixing
neutralization.
quantity
charged
species
formed
each
step
titration
calculated
parameters
from
constant
capacitance
model
fit.
partial
molar
enthalpy
values
exothermic
endothermic
processes
protonation
(ΔHpr,
−17.47
−16.10
kJ/mol)
deprotonation
(ΔHdepr,
32.53
27.08
depend
slightly
ionic
strength
suspensions.
average
standard
one
proton
transfer
reaction
is
−23.54
±
1.75
kJ/mol,
consistent
literature.
Journal of Metals Materials and Minerals,
Год журнала:
2025,
Номер
35(1), С. e2228 - e2228
Опубликована: Фев. 25, 2025
Bismuth-based
perovskite
material
has
been
used
as
promising
photocatalysts
for
photo
catalytic
degradation
of
toxic
dyes
with
tailored
crystallites
and
fine-tuned
band
gap
superior
activity.
BiFeO3
Bi4Ti3O12
were
synthesized
by
a
simple
sol-gel
method
their
crystal
structure,
morphology,
optical
property
characterized
XRD,
SEM,
TEM,
FTIR,
EDS
UV–DRS.
The
XRD
pattern
exhibits
the
formation
rhombohedral
orthorhombic
phase
bismuth
ferrite
titanate.
study
confirms
non-uniform
nanoparticles
uniform
particle
distribution,
energy
(Eg)
2.2
eV
2.9
eV,
respectively,
from
UV-DRS
analyses
Tauc
Plot.
examined
photocatalytic
prepared
catalyst
MG
MB
altering
parameters
like
solution
pH,
dose,
agitation
time.
results
indicated
that
exhibited
higher
degrading
efficiency
compared
to
under
similar
experimental
conditions.
degraded
more
than
@
80%
both
0.4
mg∙L‒1
within
90
min
74%
having
0.6
taken
in
20
mL
ppm
dye
concentration
60
prevailing
parameter
efficacy
may
be
contributed
Eg
makes
active
solar
spectrum.
mechanism
involved
photoinduced
electron/hole
pairs
producing
radical
species,
kinetics
following
pseudo-first
order
rate
photocatalyst
stability
studied
through
five
continuous
runs.
found
outperforms
reducing
cationic
suggests
them
potential
waste
water
treatment
alternatives.
