Water,
Journal Year:
2024,
Volume and Issue:
16(2), P. 218 - 218
Published: Jan. 8, 2024
Photocatalysis
has
emerged
as
a
promising
technology
for
the
removal
of
emerging
contaminants
such
antibiotics
from
water.
Fixing
photocatalytic
materials
on
polymers
to
prepare
applicable
membranes
is
feasible
method
applying
photocatalysis.
This
study
explored
preparation
composite
PAN-TiO2
and
PAN-TiO2-rGO
(PAN-rGTi)
by
combining
TiO2,
TiO2-reduced
graphene
oxide
(rGO)
polyacrylonitrile
(PAN)
using
electrospinning.
Characterization
through
SEM
EDS
analysis
confirms
membrane’s
microstructure
elemental
composition.
The
electrospun
PAN-rGTi
exhibit
stable
efficient
performance
in
degrading
sulfamethoxazole
(SMX)
enrofloxacin
(ENR),
two
typical
commonly
found
water
bodies.
Photocatalytic
degradation
experiments
under
simulated
solar
light
reveal
superior
compared
PAN
alone,
with
notable
increase
reaction
rate
constants
(1.8
2.2
times
SMX
3.2
4.0
ENR)
even
higher
enhancements
(2.8
3.0
5.4
6.5
alone.
Despite
minor
decreases
(from
97.6%
90.4%)
activity
over
five
cycles,
remain
effective,
showcasing
their
stability
recyclability.
highlights
potential
application
sustainable
effective
removing
Further
exploration
should
focus
optimizing
specific
improving
feasibility
wastewater
treatment
purification
Catalysis Communications,
Journal Year:
2023,
Volume and Issue:
183, P. 106764 - 106764
Published: Sept. 15, 2023
This
review
focuses
on
recently
proposed
photocatalyst
designs
for
maximizing
the
efficiency
of
photogenerated
charge
carriers
to
improve
photocatalytic
performance
photocatalysts.
These
include
doping
with
metal
and
non-metal
ions,
surface
grafting,
noble
deposition,
dye
sensitization,
heterostructure
fabrication.
In
addition,
this
thoroughly
examines
all
prominent
parameters
that
can
influence
degradation
Furthermore,
summarizes
energy-band
structures
photocatalysts
are
suitable
both
O2
reduction
oxidation
H2O
molecules
generate
reactive
oxygen
species.
Lastly,
we
discuss
future
trends
in
development
environmental
applications.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(4), P. 1805 - 1805
Published: Feb. 14, 2023
Carbon-based
nanomaterials
(CBM)
have
shown
great
potential
for
various
environmental
applications
because
of
their
physical
and
chemical
properties.
The
unique
hybridization
properties
CBMs
allow
the
tailored
manipulation
structures
morphologies.
However,
owing
to
poor
solar
light
absorption,
rapid
recombination
photogenerated
electron-hole
pairs,
pristine
carbon
materials
typically
unsatisfactory
photocatalytic
performances
practical
applications.
main
challenge
in
this
field
is
design
economical,
environmentally
friendly,
effective
photocatalysts.
Combining
carbonaceous
with
semiconductors
different
results
carbon-based
catalysts,
which
offers
a
promising
approach
achieving
efficient
application.
Here,
we
review
contribution
dimensions,
catalytic
removal
organic
pollutants
from
wastewater
by
catalyzing
Fenton
reaction
processes.
This
review,
therefore,
aims
provide
an
appropriate
direction
empowering
improvements
ongoing
research
work,
will
boost
future
contribute
overcoming
existing
limitations
field.
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(4), P. 758 - 758
Published: April 15, 2023
Dyes,
antibiotics,
heavy
metal
ions,
and
bacteria
are
important
sources
of
water
pollution.
How
to
solve
these
issues
has
become
a
problem
in
the
fields
science
technology.
People
have
developed
variety
technologies
treat
pollutants
water.
Photocatalytic
technology
came
into
being.
As
simple
environmentally
friendly
treatment
technology,
it
been
widely
studied
by
scientific
community.
Traditional
powder
photocatalysts
cause
secondary
pollution
environment
not
conducive
recycling.
Therefore,
large
specific
surface
area
reusable
membrane
built
electrospinning
favorite
today’s
Nanofiber
membranes
prepared
structures,
which
can
meet
needs
different
occasions.
This
review
summarizes
discusses
research
progress
relationship
between
structure
electrospun
fiber
membranes,
their
impacts
on
photocatalytic
performance
nanofiber
membranes.
The
performance,
challenges,
future
development
directions
with
kinds
techniques
using
photocatalysis
pollutants,
reviewed.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(4), P. 4870 - 4880
Published: Jan. 19, 2024
The
discharge
of
congo
red
dye
into
water
sources
by
factories
has
been
associated
with
a
range
health
concerns,
such
as
cancer,
redness,
skin
irritation,
and
allergic
reactions.
As
result,
this
research
focused
on
the
cost-effective
straightforward
production
MgAl2O4
nanoparticles
using
Pechini
sol–gel
process.
Subsequently,
these
were
employed
for
successful
photocatalytic
decomposition
dye.
Moreover,
extensive
characterization
fabricated
was
conducted
through
diverse
methodologies,
which
included
Fourier-transform
infrared
spectroscopy,
ultraviolet–visible
spectrophotometry,
high-resolution
transmission
electron
microscopy
(HR-TEM),
field-emission
scanning
(FE-SEM),
powder
X-ray
diffraction
(XRD).
Furthermore,
XRD
analysis
disclosed
that
average
crystal
size
produced
is
10.36
nm,
their
optical
energy
gap
determined
to
be
3.71
eV.
FE-SEM
examination
unveiled
combination
spherical
disorganized
structures
0.14
μm
grain
size.
HR-TEM
analysis,
in
turn,
revealed
composed
minuscule
particles
an
diameter
8.75
nm.
maximum
degradation
50
mL
at
concentration
25
mg/L
reached
99.27%
within
80
min
pH
3.
Additionally,
findings
confirmed
consistent
activity
toward
even
after
four
cycles,
thereby
validating
effectiveness
reusability
developed
study.
