E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
511, P. 01033 - 01033
Published: Jan. 1, 2024
This
research
explores
the
transformative
potential
of
nanomaterial
developments
in
tending
to
water
and
soil
contamination
through
economical
natural
remediation
procedures.
Three
unmistakable
nanomaterials,
Nanoparticle
A,
Nanocomposite
B,
Nanotube
C,
were
synthesized
efficiently
assessed
for
their
adequacy
poison
expulsion.
In
adsorption
tests,
B
showed
remarkable
lead
expulsion
capacity,
outperforming
A
C
with
values
30
mg/g.
Catalytic
debasement
tests
illustrated
B’s
predominant
proficiency
corrupting
phenol,
accomplishing
a
noteworthy
68%,
outflanking
A.
comprehensive
compatibility
appraisal
uncovered
decreased
ecotoxicity
cytotoxicity
files
situating
it
as
naturally
inviting
choice
remediation.
Comparative
investigations
related
works
exhibit
importance
fitting
properties
focused
on
The
promising
results
emphasize
maintainable
multifunctional
arrangement
investigation
contributes
profitable
insights
developing
field
nanotechnology-enabled
administration,
emphasizing
requirement
capable
sending
nanomaterials
attain
long-term
environmental
human
well-being
benefits.
Gels,
Journal Year:
2025,
Volume and Issue:
11(5), P. 311 - 311
Published: April 22, 2025
The
article
presents
the
assessment
results
on
effectiveness
of
polymer
hydrogel
and
cryogel-based
adsorbents
for
treating
natural
waters
from
radioactive
contaminants.
Nine
gels
were
synthesized,
their
physico-chemical
properties
studied,
processes
selective
adsorption
elements
such
as
137Cs,
90Sr,
other
chemical
in
aqueous
solutions
investigated
using
gels.
element
by
hydrogels
cryogels
was
evaluated
placing
different
pure
samples
synthesized
radioactively
contaminated
solutions.
At
same
time,
activity
solution
measured
before
gel
into
it.
Then,
placed
3
days.
Afterward,
after
it
extracted
solution.
best
characteristics
selectivity
with
respect
to
137Cs
demonstrated
AM:AA/3—2.4
×
10−8
mg/g,
AM:AA/2—4.1
10−9
AM:AA/5—3.7
mg/g.
Cryogel
MAA:AM—7.0
AM:AA/2—5.1
AM:AA/5—1.5
mg/g
exhibit
highest
90Sr.
An
potential
has
been
K,
Fe,
Ni,
U.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(16)
Published: April 1, 2025
Abstract
Industries
frequently
discharge
elevated
levels
of
lead
and
cadmium
into
the
environment,
posing
significant
threats
to
ecological
balance
public
health.
This
study
developed
a
novel
polycaprolactone–chitosan–montmorillonite
(PCL/CS/MMT)
composite
adsorb
Pb(II)
Cd(II)
from
aqueous
solutions.
The
was
synthesized
via
twin‐screw
melt
extrusion
subsequently
characterized
using
X‐ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
energy‐dispersive
spectroscopy
(EDS),
Fourier
transform
infrared
(FTIR),
thermogravimetric
analysis
(TGA),
revealing
crystalline
structure,
cracked
surface
morphology,
functionalized
groups,
thermal
stability.
Under
optimal
batch
conditions,
adsorbent
achieved
maximum
adsorption
capacities
12.35
mg/g
for
16.92
Cd(II).
Adsorption
behavior
followed
Langmuir
isotherm
model,
kinetic
data
aligned
with
pseudo
second‐order
indicating
chemisorption‐driven
mechanism.
demonstrated
effective
regeneration,
retaining
over
55%
efficiency
after
seven
desorption
cycles
0.1
M
(pH
8).
These
findings
position
PCL/CS/MMT
as
promising,
sustainable
wastewater
treatment,
offering
viable
solution
heavy
metal
pollution
advancing
development
eco‐friendly
materials
environmental
remediation.
In
this
research,
Casuarina
equisetifolia
fruit-based-activated
carbon
(CAC)
was
employed
to
investigate
the
simultaneous
removal
of
crystal
violet
(CV),
Naphthol
Black
Blue
(NBB),
and
methyl
orange
(MO)
in
one
mixture
from
aqueous
solutions.
The
efficacy
adsorbent
studied
concerning
adsorption
characteristics
such
as
pH,
dose
CAC,
initial
dye
concentration,
time.
Fourier
transform
infrared
(FTIR),
scanning
electron
microscope
(SEM),
UV-visible
analysis
all
showed
that
stuck
CAC
surface
at
same
Results
revealed
best
efficiencies
for
investigated
dyes
were
attained
pH
range
3–10,
with
a
0.08
g.
optimal
concentration
found
be
40
mg·L
−1
.
contact
time
CV,
NBB,
MO
45
min.
Kinetic
studies
pseudo-second-order
mechanism
mixture.
Freundlich
isotherm
model
described
equilibrium
data.
maximum
capacities
CV
(239.23
mg·g
),
NBB
(134.95
(45.93
).
Thermodynamic
suggests
these
processes
endothermic
spontaneous.
findings
high
highlight
practical
applicability
approach
addressing
complex
pollution
challenges.
Separations,
Journal Year:
2024,
Volume and Issue:
11(10), P. 294 - 294
Published: Oct. 12, 2024
This
study
investigated
the
adsorption
properties
of
graphene
oxide
in
a
magnetic-assisted
adsorber
for
depollution
water
containing
heavy
metals.
Two
samples
with
different
surface
chemistry
were
synthetized
and
assessed
using
systems.
One
sample
exhibited
dual
magnetic
behavior
presenting
both
diamagnetic
ferromagnetic
phases,
while
other
was
diamagnetic.
The
these
removing
Pb2+
Cu2+
tested
compared
without
field
exposure.
results
showed
that
removal
increased
configuration,
less
sensitive
to
application
field.
A
monolayer
model
used
simulate
all
metal
isotherms
quantified
experimentally.
It
concluded
mechanism
designed
remove
mainly
multi-ionic
where
two
metallic
cations
could
interact
one
active
site
(i.e.,
oxygenated
functional
groups)
from
adsorbent
surface.
functionalities
played
relevant
role
determining
impact
exposure
on
efficacy.
Magnetic-assisted
is
an
interesting
alternative
reduce
concentration
polluted
effluents,
it
can
also
be
applied
improve
performance
adsorbents
limited
groups,
which
usually
show
poor
challenging
pollutants
such
as
toxic
E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
511, P. 01033 - 01033
Published: Jan. 1, 2024
This
research
explores
the
transformative
potential
of
nanomaterial
developments
in
tending
to
water
and
soil
contamination
through
economical
natural
remediation
procedures.
Three
unmistakable
nanomaterials,
Nanoparticle
A,
Nanocomposite
B,
Nanotube
C,
were
synthesized
efficiently
assessed
for
their
adequacy
poison
expulsion.
In
adsorption
tests,
B
showed
remarkable
lead
expulsion
capacity,
outperforming
A
C
with
values
30
mg/g.
Catalytic
debasement
tests
illustrated
B’s
predominant
proficiency
corrupting
phenol,
accomplishing
a
noteworthy
68%,
outflanking
A.
comprehensive
compatibility
appraisal
uncovered
decreased
ecotoxicity
cytotoxicity
files
situating
it
as
naturally
inviting
choice
remediation.
Comparative
investigations
related
works
exhibit
importance
fitting
properties
focused
on
The
promising
results
emphasize
maintainable
multifunctional
arrangement
investigation
contributes
profitable
insights
developing
field
nanotechnology-enabled
administration,
emphasizing
requirement
capable
sending
nanomaterials
attain
long-term
environmental
human
well-being
benefits.
