Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(24), P. 2048 - 2048
Published: Dec. 21, 2024
Photocatalytic
technology
holds
significant
promise
for
sustainable
development
and
environmental
protection
due
to
its
ability
utilize
renewable
energy
sources
degrade
pollutants
efficiently.
In
this
study,
BiOI
nanosheets
(NSs)
were
synthesized
using
a
simple
water
bath
method
with
varying
amounts
of
mannitol
reaction
temperatures
investigate
their
structural,
morphological,
photoelectronic,
photocatalytic
properties.
Notably,
the
introduction
played
critical
role
in
inducing
transition
from
an
n-type
p-type
semiconductor,
as
evidenced
by
Mott–Schottky
(M-S)
band
structure
analyses.
This
transformation
enhanced
density
holes
(h+)
primary
charge
carriers
resulted
most
negative
conduction
(CB)
position
(−0.822
V
vs.
NHE),
which
facilitated
generation
superoxide
radicals
(·O2−)
activity.
Among
samples,
BiOI-0.25-60
NSs
(synthesized
0.25
g
at
60
°C)
exhibited
highest
performance,
characterized
largest
specific
surface
area
(24.46
m2/g),
optimal
gap
(2.28
eV),
efficient
photogenerated
separation.
experiments
demonstrated
that
achieved
superior
methylene
blue
(MB)
degradation
efficiency
96.5%
under
simulated
sunlight,
1.14
times
higher
than
BiOI-0-70
NSs.
Additionally,
effectively
degraded
tetracycline
(TC),
2,4-dichlorophenol
(2,4-D),
rhodamine
B
(Rh
B).
Key
factors
such
photocatalyst
concentration,
MB
solution
pH
analyzed,
excellent
recyclability,
retaining
over
94.3%
activity
after
three
cycles.
Scavenger
tests
further
identified
·O2−
h+
dominant
active
species
driving
process.
pivotal
modulating
semiconductor
characteristics
nanomaterials
is
underscored,
particularly
promoting
enhancing
efficiency.
These
findings
provide
valuable
strategy
designing
high-performance
photocatalysts
remediation
applications.
Journal of Surfactants and Detergents,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 3, 2025
Abstract
Surfactant‐assisted
soil
cleaning
has
been
considered
as
a
promising
technology
for
remediating
of
dye‐contaminated
soil,
but
is
significantly
impeded
by
limitations
such
the
adsorption
or
precipitation
surfactants
in
soil.
To
take
advantage
effective
remediation
anionic
surfactant
and
lower
nonionic
surfactant,
system
developed
this
study
contaminated
with
model
dyes
methyl
orange
alizarin
red,
employing
designed
anionic‐nonionic
known
sodium
nonylcyclohexanol
ethoxylates
sulfate
(NCEO
5
S)
commercial
surfactant—sodium
alkyl
alcohol
ethoxylate
(AES).
Using
simple
wash,
elution
efficiency
on
highly‐contaminated
(methyl
red)
reached
up
to
94.34%
97.66%,
respectively,
at
25°C
24
h
1
wt%
solution.
Electrostatic
repulsion
noticeably
mitigates
surface.
The
low
eluted
surface
was
characterized
SEM‐EDS
thermogravimetric
analysis.
kinetics
surfactant‐enhanced
desorption
from
follow
Elovich
equation.
findings
will
be
benefit
developing
eco‐friendly
systems
clean‐up
dyes‐contaminated
soils
while
minimizing
adsorption.
IGI Global eBooks,
Journal Year:
2025,
Volume and Issue:
unknown, P. 237 - 260
Published: March 14, 2025
Pollution
negatively
impacts
the
environment
due
to
human
activities
such
as
urbanization
and
industrialization.
Pollutants
that
cause
pollution
can
disrupt
pH
levels,
nutrient
balance,
microbial
activity,
resulting
in
lower
crop
yields
deteriorated
soil
water
quality.
The
removal
of
these
pollutants
is
essential
ensure
sustainability
environment.
Many
physicochemical
treatment
techniques
are
utilized.
However,
methods
often
prove
insufficient.
Mycoremediation
emerges
a
promising
alternative,
harnessing
fungi's
natural
abilities
degrade
sequester
heavy
metals.
This
process
relies
on
fungal
enzymatic
activity
adsorption
mechanisms,
offering
more
eco-friendly
cost-effective
approach
environmental
cleanup.
chapter
delves
into
various
mycoremediation,
specific
enzymes
responsible
for
breaking
down
pollutants,
ways
which
fungi
accumulate
goal
this
develop
efficient,
economically
feasible,
strategies.
International Journal of Environmental & Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 43
Published: Nov. 6, 2024
The
synthesis
of
zinc
oxide
(ZnO)
nanoparticles
using
Pueraria
montana
(kudzu)
plant
extracts
highlights
advancements
in
green
nanotechnology.
This
study
explores
the
use
roots,
rich
phytochemicals
such
as
phenols,
terpenoids
and
flavonoids,
which
serve
natural
reducing
stabilizing
agents
for
nanoparticle
synthesis.
eco-friendly
production
surface
modification
ZnO
were
achieved
these
extracts,
enhancing
their
photocatalytic
performance
with
trisodium
pyrophosphate
(TSPP).Characterization
techniques,
including
XRD,
TEM,
FE-SEM,
confirmed
nanoparticles'
crystalline
structure,
a
BET
area
14.01
m²/g
type
II
adsorption
isotherm.
synthesized
exhibited
exceptional
dye
degradation
capabilities,
achieving
99.9%
removal
malachite
(MG)
97.78%
aniline
blue
(AB).
Kinetic
analysis
revealed
steady-state
rate
constant
(k)
2
×
10⁻⁴
min⁻¹
MG
where
response
constant(k)
AB
modified
nanostructures
was
3.0
10−3
min−1
allowing
near-total
within
600
minutes
350
min
.
Adsorption
studies
well
described
by
Langmuir
Freundlich
isotherms,
indicating
maximum
capacities
59.7
mg/g
61.2
AB.
Surface
TSPP
improved
charge
carrier
separation
enhanced
generation
reactive
oxygen
species
under
UV
exposure,
further
increasing
efficiency.Statistical
indicated
high
reproducibility,
close
mean
values
99.125
97.3125
AB,
supported
small
standard
deviations.
findings
affirm
potential
synthesizing
efficient
photocatalysts,
providing
sustainable
cost-effective
approach
water
treatment
applications.
Overall,
this
research
underscores
effectiveness
plant-based
materials
advancing
nanotechnology
solutions.
