Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 18, 2023
Abstract
Environmental
pollution
poses
a
significant
challenge
to
human
health,
ecosystems,
and
the
planet's
sustainability.
Widespread
contamination
of
air,
water,
soil
from
various
pollutants
requires
effective
sustainable
solutions
reduce
or
eliminate
its
impacts.
In
this
research
work,
we
designed
novel
reduced
graphene
oxide
functionalized
copper
(rGO-CuO)
nanocomposite
material
through
simple
method.
The
synthesized
rGO-CuO
was
characterized
by
using
advance
tools
such
as
XRD,
SEM
EDX
that
revealed
information
about
crystalline
nature,
phase
purity,
morphological
features
elemental
composition.
techniques
confirm
successful
synthesis
composite
material.
Furthermore,
exploited
for
decolorization
CR
dye
in
aqueous
environment
optimized
different
experimental
condition
concentration
NaBH4,
sun
light
effect
catalytic
dosage.
At
minimum
catalyst
dose
2.4
mg
only
5
minutes
prepared
exhibited
98.7%
degradation
environment.
exceptional
reusable
profile
up
5th
cycle
highlights
reliability
photocatalyst.
performance
photocatalyst
suggests
could
be
an
aspirant
other
synthetic
at
commercial
level.
Materials Chemistry Frontiers,
Год журнала:
2023,
Номер
7(22), С. 5519 - 5544
Опубликована: Янв. 1, 2023
Fabrication
of
MXene-based
nanocomposites.
Photocatalytic
properties
membranes
for
the
separation
toxic
pollutants,
such
as
antibiotic
drugs,
dyes,
etc
.
nanocomposites
absorbents
heavy
metal
removal.
International Journal of Environmental & Analytical Chemistry,
Год журнала:
2024,
Номер
unknown, С. 1 - 16
Опубликована: Апрель 8, 2024
Water
pollution
is
a
global
concern
due
to
the
unregulated
discharge
of
various
pollutants
into
aquatic
environments
without
proper
treatment.
A
prominent
contributor
environmental
degradation
and
adverse
health
effects
unmitigated
heavy
metal
ions
within
industrial
effluents.
The
present
study
revealed
synthesis
p-imidazolemethylcalix[4]arene-based
resin
(4)
its
application
as
an
adsorbent
for
removal
toxic
metals,
i.e.,
Pb2+and
Cd2+,
from
aqueous
media.
proceeded
through
well-known
organic
synthetic
procedures
was
characterised
by
different
analytical
techniques,
FT-IR,
SEM
elemental
analyses.
However,
adsorption
process
monitored
using
UV-Vis
spectrophotometer.
behaviour
evaluated
batch
experiments,
parameters,
such
pH,
dosage
contact
time,
were
optimised.
experimental
results
Langmuir
Freundlich
isotherm
models.
Moreover,
kinetic
thermodynamic
studies
also
performed
evaluate
data.
maximum
98%
96%,
respectively,
Cd2+
observed
at
pH
7
with
30
mg
after
1
h
ambient
temperature.
compared
those
other
reported
materials,
it
could
be
concluded
that
has
great
potential
minimising
risk
water
pollution.
This
novel
demonstrates
exceptional
versatility
in
capacity
effectively
capture
wide
range
wastewater,
thereby
offering
comprehensive
solution
pressing
concern.
specific
molecular
structure
p-Imidazolemethylcalix[4]arene
enables
selective
efficient
ions,
surpassing
conventional
methods
terms
both
effectiveness
versatility.
characterisation
this
unique
resin,
coupled
demonstrated
efficacy
ion
removal,
represent
significant
advancement
field
remediation.
Physical Chemistry Chemical Physics,
Год журнала:
2024,
Номер
26(14), С. 10940 - 10950
Опубликована: Янв. 1, 2024
A
unique
NiO-nanoparticle-based
electrochemical
sensor
functionalized
with
a
para
-hexanitrocalix[6]arene
derivative
(
p
-HNC6/NiO)
is
developed
for
the
determination
of
bisphenol
S
in
real
samples.
Abstract
Brookite
TiO
2
is
a
metastable
crystalline
phase,
which
difficult
to
prepare
manually.
In
this
study,
brookite
with
controllable
morphology
was
synthesized
by
simple
hydrothermal
method.
The
prepared
complete
rice‐like
granular
particle
smooth
surface
and
sharp
edges
at
the
tip
of
both
ends.
And
diameter
an
individual
approximately
200
nm.
Then,
improve
photocatalytic
degradation
performance
,
we
Bi
O
3
/brookite
nanocomposites.
After
composite,
phase
did
not
change,
still
maintained
high
purity
crystallinity.
nanoparticles
were
dispersed
on
forming
heterogeneous
structures
in
close
contact.
nanocomposite
exhibited
significantly
higher
rate
ofloxacin
(20
mg
L
−1
)
under
visible
light
(300
W
Xenon
lamp,
λ
≥
400
nm)
compared
pure
.
activity
5
mol%
best,
OFX
reached
90.7%.
enhancement
nanocomposites
attributed
formation
heterojunction,
accelerated
photogenerated
charge‐hole
separation.
This
study
provided
theoretical
support
for
efficient
pollutants.
