Current Green Chemistry,
Journal Year:
2024,
Volume and Issue:
12(2), P. 146 - 158
Published: Nov. 12, 2024
Nanoparticles
have
emerged
as
a
transformative
technology
in
environmental
remediation,
addressing
the
pressing
challenges
of
pollution
across
air,
water,
and
soil.
Nanoparticles,
particularly
metal
oxides,
carbon-based
materials,
polymers,
demonstrate
remarkable
capabilities
soil
contamination.
Their
high
surface
area
to
volume
ratio
enhances
their
efficiency
pollutant
removal
while
minimizing
toxicity,
making
them
suitable
alternatives
conventional
methods.
As
traditional
remediation
methods
often
carry
risks,
there
is
need
for
innovative
sustainable
solutions.
This
review
delves
into
mechanisms
applications
nanoparticles
various
techniques,
including
photocatalysis,
Nanoadsorption,
nanomembranes
water
treatment,
well
effectiveness
air
purification.
The
findings
underscore
potential
nanomaterials
enhance
reducing
toxicity.
By
integrating
these
solutions
existing
management
frameworks,
can
play
crucial
role
achieving
practices
mitigating
advocates
continued
research,
development,
application
nanotechnology
promising
avenue
fostering
cleaner,
healthier
environment
contributing
global
sustainability
goals.
Asia-Pacific Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 8, 2024
Abstract
Photocatalytic
technology
has
been
widely
studied,
discussed,
and
tested
as
a
feasible
wastewater
degradation
technology.
The
present
study
demonstrated
the
preparation
of
g‐C
3
N
4
material
using
solid‐state
sintering
method
construction
Bi
Ti
O
12
/g‐C
heterostructure
via
hydrothermal
method.
This
direct
contact
Z‐type
heterojunction
improves
wide
bandgap
monomer,
enhances
its
photoresponsiveness,
thus
photocatalytic
performance.
During
process
experiments,
an
environment
cold
hot
fluctuations
were
created,
pyroelectric
effect
was
utilized
to
induce
self‐polarization
formed
internal
electric
field.
It
transport
ability
electron–hole
pairs
suppresses
their
recombination
in
path.
According
experiment
results,
efficiency
synergistic
photocatalysis
reached
88.7%,
which
2.27
times
that
.
proves
by
good
application
prospects.
Smart materials & methods.,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 32
Published: Nov. 19, 2024
To
reduce
environmental
pollution
and
overcome
the
global
energy
crisis,
recent
advances
in
material
science
have
led
to
development
of
novel,
sustainable
materials
with
great
mechanical,
chemical,
physical
properties,
particularly
design,
synthesis,
fabrication
photocatalytic
nanocomposites.
This
review
illustrates
working
principle
photocatalysis,
highlighting
activity
nanocomposites
their
superiority
over
pure
photocatalysts.
Focusing
on
including
green
synthetic
approaches,
characterization,
applications
nanocomposites,
this
article
also
delves
into
limitations
metals,
non-metals,
metal
oxides,
polymers,
MOFs,
as
well
advantages
when
combined
nanoparticles
for
applications.
Additionally,
highlights
benefits
sustainability
solutions,
discussing
wastewater
treatment,
pollutant
degradation,
food
safety,
antibacterial
action,
water
splitting,
carbon
dioxide
reduction,
storage.
By
incorporating
chemistry
engineering,
will
be
helpful
addressing
knowledge
gaps
defining
future
research
directions
promoting
synthesis
scalable,
cost-effective
ChemEngineering,
Journal Year:
2024,
Volume and Issue:
8(3), P. 59 - 59
Published: June 7, 2024
The
awareness
of
the
concept
“Circular
Economy”
is
motivating
scientists
to
convert
drinking
water
treatment
plant
by-products,
which
are
based
on
aluminum
waste,
into
a
valorized
material
for
wastewater
treatment.
Alum
sludge
from
local
waterworks
in
Egypt
was
collected
and
dewatered
using
chitosan-coated
magnetic
nanoparticles.
role
conditioned
then
examined.
Chitosan
(Ch)
augmented
with
magnetite
nanoparticles
(MNs),
labeled
as
ChMNs,
prepared
by
means
simple
co-precipitation
route
mixing
ratios
1:1,
2:1,
3:1
chitosan
form
ChMN
catalyst.
ChMNs
were
shown
beneficially
enhance
alum
conditioning
dewaterability.
dried
aluminum-based
(AS)
loaded
used
source
Fenton’s
catalyst
Synozol
Red-KHL
textile
dyeing
wastewater.
characteristics
AS-ChMN
sample
investigated
Fourier
transform
infrared
spectroscopy
(FTIR),
transmission
electron
microscopy
(TEM),
scanning
(SEM).
photocatalytic
activity
composite
assessed
examining
its
diffuse
reflectance
spectra
(DRS).
Response
surface
methodological
analysis
applied
optimize
operational
parameters
order
reduce
use
chemicals
improve
dye
oxidation
complete
(99%)
strategy.
experiments
demonstrated
that
optimal
operating
included
doses
1.5
g/L
420
mg/L
AS-ChMNs
hydrogen
peroxide,
respectively,
reaction
at
working
pH
3.5.
Kinetic
thermodynamic
analyses
potential
full-scale
applications
conducted,
showing
be
exothermic
spontaneous
nature
following
second-order
kinetics.
Hence,
novelty
this
work
lies
introduction
waste
photocatalyst
effluent
oxidation,
could
considered
“win–win”
