Journal of Environmental Science and Health Part A,
Journal Year:
2023,
Volume and Issue:
58(12), P. 963 - 970
Published: Oct. 15, 2023
Lanthanum-doped
titanium
(La/TiO2)
nano-photocatalysts
were
prepared
using
the
sol-gel
method
and
characterized
by
X-ray
diffraction
(XRD),
zeta
potential,
low-temperature
nitrogen
adsorption
analyses.
Ester-105,
a
flotation
collector
from
beneficiation
wastewater,
was
chosen
as
target
pollutant.
The
influence
of
initial
ester-105
concentration,
pH,
photocatalyst
dosage
on
photocatalytic
degradation
investigated.
To
examine
kinetics
ester-105,
Langmuir
model
Langmuir-Hinshelwood
kinetic
models
established
discussed.
synthesized
comprised
anatase-phase
TiO2,
with
an
isoelectric
point
pH
=
6.5,
specific
surface
area
56.1626
m2·g−1,
average
pore
size
7.78
nm.
maximum
equilibrium
constant
La/TiO2
for
determined
0.338
mg·g−1
1.008
L·mg−1,
respectively.
first-order
reaction
rate
(k)
exhibited
linear
relationship
concentration.
optimal
ester
theoretically
to
be
6.95,
optimum
found
0.2739
g·L−1.
Experiments
confirmed
that
followed
model,
thereby
providing
theoretical
foundation
industrial
application.
Hybrid Advances,
Journal Year:
2024,
Volume and Issue:
7, P. 100315 - 100315
Published: Oct. 15, 2024
Polycyclic
aromatic
hydrocarbons
(PAHs)
are
pervasive
organic
pollutants
in
the
environment
that
formed
as
an
outcome
of
partial
combustion
matter.
PAHs
pose
a
significant
threat
to
ecological
systems
and
human
health
due
their
cytotoxic
genotoxic
effects.
Therefore,
immediate
need
for
effective
PAH
remediation
methods
is
crucial.
Although
nanomaterials
PAHs,
concerns
regarding
environmental
compatibility
sustainability
remains.
this
study
emphasizes
integration
with
bioremediation
methods,
which
might
offer
more
sustainable
ecofriendly
approach
remediation.
A
systematic
search
was
conducted
through
scholarly
databases
from
2013
2023.
total
360
articles
were
scrutinized,
among
26
selected
resonated
application
nano-bioremediation.
These
literatures
comprise
both
comparative
analysis
only
well
There
elevation
18.9
%
removal
liquid-phase
samples,
when
comparing
(52.2
%)
nano-bioremediation
(71.1
%).
consistent
trend
observed
soil
successfully
remove
60.8
75.1
respectively,
indicating
14.3
improvement.
Furthermore,
review
elaborated
on
various
features
led
efficiency
PAH.
The
also
discussed
strategies
namely
nanomaterial-assisted
microbial
degradation,
enzyme-enhanced
activity,
nanomaterial-immobilized
cells,
nanomaterial-facilitated
electron
transfer,
even
some
eco-green
approaches
remediate
like
biogenic
nanomaterial
PAHs.
CrystEngComm,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
unique
structure
of
the
α-Fe
2
O
3
/SiO
composite
aerogels
enhanced
utilization
visible
light
and
adsorption
organic
pollutants,
accelerated
electron
transfer
prolonged
recombination
hole
pairs.
Functional materials,
Journal Year:
2024,
Volume and Issue:
31(4), P. 457 - 473
Published: Dec. 18, 2024
Polycyclic
aromatic
hydrocarbons
(PAHs)
are
among
the
most
hazardous
environmental
pollutants
due
to
their
high
toxicity,
carcinogenicity,
and
ability
accumulate
in
ecosystems.
The
development
of
effective
methods
for
deactivation
is
an
extremely
pressing
issue
modern
science.
One
promising
efficient
PAHs
destruction
photocatalytic
degradation,
which
based
on
use
semiconductor
materials.
Photocatalysis
environmentally
friendly
energy-efficient
approach
that
facilitates
oxidation
through
light
irradiation,
resulting
formation
less
harmful
compounds.
This
area
research
rapidly
advancing,
with
new
materials
approaches
emerging
each
year
enhance
efficiency
degradation
organic
pollutants,
particularly
PAHs.
Special
attention
given
such
as
modified
oxides
titanium,
zinc,
iron,
metal-
graphene-based
nanocomposites,
offer
activity,
stability,
effectiveness
real-world
conditions.
review
presented
this
paper
systematizes
recent
advancements
field
PAHs,
focusing
key
aspects
mechanisms,
materials,
future
prospects.
