Asian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
35(8), P. 1899 - 1906
Published: July 31, 2023
The
chromium(VI)
ions
present
in
the
tannery
waste
was
efficiently
remove
by
using
silver-alumina
impregnated
maghemite/magnetite
nanocomposites
as
adsorbents.
as-synthesized
adsorbents
were
characterized
XRD,
SEM-EDAX,
HR-TEM
and
FT-IR
techniques.
adsorption
process
found
to
be
pH,
time,
dosage
of
adsorbent
temperature
dependent.
data
appropriate
well
with
pseudo-first-order
kinetics,
pseudo-second-order
kinetics
Langmuir
Freundlich
isotherms.
Among
two
synthesized
nanoabsorbents,
magnetite
(SAMG)
nanocomposite
most
effective
absorbent,
its
maximum
chromium
removal
efficiency
achieved
98.81%
within
2
h
at
a
pH
3.0
0.5
g/L.
Industrial & Engineering Chemistry Research,
Journal Year:
2023,
Volume and Issue:
62(22), P. 8575 - 8601
Published: May 26, 2023
Heavy
metal
pollution
results
in
enormous
environmental
impacts
and
significant
human
health
problems.
Because
of
their
extreme
toxicity
lack
biodegradability,
heavy
ions
water
are
considered
problematic.
Although
the
removal
various
from
wastewater
has
been
widely
investigated,
contamination
still
requires
effective
suitable
remediation.
With
special
attention
on
removal,
this
study
reviews
recent
advances,
breakthroughs,
potential
applications
physical,
chemical,
biological
methods.
Each
treatment
method
specific
mechanisms
interaction
with
ions,
which
described
review.
The
discussion
review
leads
to
conclusion
that
adsorption
best
sustainable
remediation
metals.
In
summary,
provides
a
new
perspective
reduction
encourages
development
innovative
strategies
for
removal.
main
current
problems
prospects
field
highlighted
Physics of Fluids,
Journal Year:
2025,
Volume and Issue:
37(1)
Published: Jan. 1, 2025
Adsorption
temperature,
pressure,
and
pore
structure
parameters
are
the
key
factors
affecting
gas
adsorption
in
porous
media.
However,
an
dynamics
model
has
not
been
established
that
comprehensively
couples
parameters.
In
this
study,
methane
measurements
conducted,
a
novel
fractal
of
media
is
proposed.
The
research
results
show
proposed
function
temperature
(T),
pressure
(P),
size
(γmax
γmin),
dimension
(Df)
for
size,
(DT)
tortuosity.
error
analysis
indicates
predicted
amount
from
matches
measured
amount.
achieves
determination
critical
point
absorption's
effects
through
temperature-pressure
analysis.
This
provides
methodological
basis
clean
production
based
on
principle
also
establishes
significant
foundation
design
strategies
materials.
Gels,
Journal Year:
2024,
Volume and Issue:
10(8), P. 498 - 498
Published: July 27, 2024
In
recent
years,
many
researchers
have
focused
on
designing
hydrogels
with
specific
functional
groups
that
exhibit
high
affinity
for
various
contaminants,
such
as
heavy
metals,
organic
pollutants,
pathogens,
or
nutrients,
environmental
parameters.
Novel
approaches,
including
cross-linking
strategies
and
the
use
of
nanomaterials,
been
employed
to
enhance
structural
integrity
performance
desired
hydrogels.
The
evolution
these
is
further
highlighted,
an
emphasis
fine-tuning
features,
water
absorption
capacity,
pollutant/factor
sensing
selectivity,
recyclability.
Furthermore,
this
review
investigates
emerging
topic
stimuli-responsive
smart
hydrogels,
underscoring
their
potential
in
both
sorption
detection
pollutants.
By
critically
assessing
a
wide
range
studies,
not
only
synthesizes
existing
knowledge,
but
also
identifies
advantages
limitations,
describes
future
research
directions
field
chemically
engineered
purification
monitoring
low
impact
important
resource
chemists
multidisciplinary
researchers,
leading
improvements
sustainable
management
technology.
Advances in Colloid and Interface Science,
Journal Year:
2024,
Volume and Issue:
335, P. 103338 - 103338
Published: Nov. 14, 2024
Efficient
removal
of
heavy
metals
and
other
toxic
metal
pollutants
from
wastewater
is
essential
to
protect
human
health
the
surrounding
vulnerable
ecosystems.
Therefore,
significant
efforts
have
been
invested
in
developing
practical
sustainable
tools
address
this
issue,
including
high-performance
adsorbents.
In
respect,
within
last
few
years,
graphene-based
aerogels/xerogels/cryogels
(GBAs)
emerged
drawn
attention
as
excellent
materials
for
removing
recovering
harmful
valuable
different
aqueous
media.
Such
an
upward
trend
mainly
due
features
aerogel
combined
with
properties
graphene
derivatives
aerogel's
network,
GBAs'
unique
three-dimensional
(3D)
porous
structure,
high
porosity,
low
density,
large
specific
surface
area,
exceptional
electron
mobility,
adjustable
rich
chemistry,
remarkable
mechanical
features,
tremendous
stability.
This
review
offers
a
comprehensive
analysis
fundamental
aspects
phenomena
related
application
GBAs
removal.
Herein,
we
cover
all
types
(bottom-up)
synthesized
GBAs,
true
microporous
aerogels
well
3D
open-cell
interconnected
mesoporous
macroporous
aerogels,
foams,
sponges.
Indeed,
provide
insights
into
understanding
suitability
such
important
by
revealing
mechanisms
involved
factors
inducing
controlling
highly
selective
behavior
these
distinctive
Besides
conventional
adsorptive
pathways,
critically
analyzed
ability
electrochemically
capture
(i.e.,
electrosorption)
their
efficiency
detoxification
through
reductive
adsorption-reduction-readsorption).
We
also
covered
reusability
aspect
(GAs)-based
adsorbents,
which
strongly
linked
outstanding
stability
efficient
desorption
captured
metals.
Furthermore,
view
numerous
environmental
benefits,
development
magnetically
recoverable
GAs
highlighted.
Moreover,
shed
light
on
potential
scalable
implementation
evaluating
performance
continuous
processes
while
highlighting
versatility
demonstrated
remove
multiple
contaminants
along
Finally,
provides
readers
accessible
overview
critical
discussion
major
recent
achievements
regarding
applications
GAs-based
adsorbents
ions
Along
our
recommendations
suggestions
future
work
new
research
directions
opportunities,
aims
serve
resource
researchers
field
treatment
inspire
further
progress
towards
next-generation
expanding
application.
