Physical Sciences Reviews,
Journal Year:
2024,
Volume and Issue:
9(11), P. 3451 - 3466
Published: April 29, 2024
Abstract
The
pervasive
issue
of
micro
and
nanoplastics
(MNPs)
in
the
environment
has
escalated
into
a
global
concern,
necessitating
exploration
innovative
efficient
removal
strategies.
This
review
paper
provides
comprehensive
analysis
application
carbon
composites
mitigating
MNPs,
drawing
upon
wide
array
studies
technological
advancements
field.
Carbon
composites,
known
for
their
high
surface
area,
porosity,
functional
ability,
offer
promising
avenue
adsorption,
degradation,
MNPs
from
various
environmental
matrices.
We
delve
mechanisms
underlying
interaction
between
including
physical
chemical
binding,
photocatalytic
highlighting
factors
that
influence
these
interactions,
such
as
composite
structure,
chemistry,
conditions.
further
categorizes
activated
carbon,
nanotubes,
graphene,
biochar-based
examining
efficacy,
limitations,
potential
impacts.
A
critical
recent
field
laboratory
insights
composites’
practical
applications
performance
real-world
scenarios.
Additionally,
we
discuss
challenges
future
directions
developing
scalability,
regeneration,
sustainable
production
materials.
hold
significant
mitigation
offering
viable
solution
to
one
our
time’s
most
pressing
challenges.
However,
research
is
needed
optimize
materials
widespread
application,
enhancing
selectivity,
capacity,
durability
while
minimizing
unintended
consequences.
aims
catalyze
investigation
innovation
field,
paving
way
more
effective
technologies
nanoplastics.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
319, P. 100574 - 100574
Published: July 1, 2024
Pharmaceutical
pollutants
in
wastewater
can
be
effectively
degraded
by
heterogeneous
photocatalytic
processes
(HPP);
under
light
irradiation,
these
methods
use
semiconductor
photocatalysts
to
produce
reactive
oxygen
species
(ROS),
which
oxidize
and
mineralize
organic
(OPs)
into
innocuous
byproducts.
Reactant
transport
the
photocatalyst
surface,
reactant
adsorption,
charge
carrier
formation
separation,
redox
reactions,
product
desorption
are
all
part
of
mechanisms.
This
review
article
analyzes
compares
various
approaches
used
prepare
photocatalysts.
The
composition,
morphology,
crystallinity,
production
scale,
influence
synthesis
technique
selection.
While
hydrothermal,
microwave-assisted,
sonochemical,
mechanochemical
provide
greater
variety
synthesising
diverse
with
varying
compositions,
morphologies,
surface
characteristics,
flame
hydrolysis
is
appropriate
for
large-scale
TiO2
Because
it
regulates
photocatalyst's
charge,
electrolytic
solution's
pH
significant
processes.
Within
a
certain
range,
an
increase
temperature
generally
results
continuous
breakdown
efficacy;
beyond
that,
rate
decomposition
decreases.
These
findings
besides
giving
researchers
broad
overview
current
status
HP
process
we
believe
will
also
inform
its
future
applications
advancements.
Processes,
Journal Year:
2024,
Volume and Issue:
12(7), P. 1455 - 1455
Published: July 12, 2024
Photocatalysis,
mainly
using
TiO2
as
a
catalyst,
has
emerged
promising
method
to
address
the
issue
of
wastewater
treatment.
This
study
explores
enhanced
photocatalytic
activity
through
introduction
reduced
graphene
oxide
(rGO)
and
cadmium
sulfide
(CdS)
selective
metal
dopants.
The
incorporation
rGO
CdS
into
lattice
aims
optimize
its
properties,
including
bandgap
engineering,
charge
carrier
separation,
surface
reactivity.
unique
combination
with
is
expected
boost
degradation
efficiency
reduce
reliance
on
expensive
potentially
harmful
sensitizers.
experimental
investigation
involves
synthesis
characterization
TiO2-based
photocatalysts.
methyl
orange
(MO)
methylene
blue
(MB)
was
assessed
under
controlled
laboratory
conditions,
studying
influence
dopants
kinetics
efficiency.
Furthermore,
synthesized
photocatalyst
characterized
by
advanced
techniques,
BET,
SEM,
TEM,
XRD,
XPS
analyses.
degraded
samples
were
analyzed
UV-Vis
spectroscopy.
Insights
photoexcitation
transfer
processes
shed
light
role
in
enhancing
performance.
results
demonstrate
potential
TiO2-rGO-CdS-based
which
100%
achieved
within
four
hours
for
MO
six
MB,
confirming
efficient
azo
dye
degradation.
findings
contribute
understanding
fundamental
principles
underlying
process
provide
valuable
guidance
designing
optimizing
systems.
Ultimately,
this
research
contributes
development
sustainable
effective
technologies
removing
dyes
from
various
wastewaters,
promoting
environmental
preservation
human
well-being.
