Removal of Pb2+from Aqueous Media by Solidago canadensis L.-Derived and Crab Shell-Derived Biochar: Adsorption Behavior and Optimization of Adsorption Conditions
Water Air & Soil Pollution,
Год журнала:
2025,
Номер
236(2)
Опубликована: Янв. 7, 2025
Язык: Английский
Fabrication of 3D Graphene-Silk Elastic Aerogels for Sustainable and Efficient Removal of Organic Dyes from an Aqueous Medium
Aniqa Jadoon,
Weiqi Xiao,
Yu Gao
и другие.
Langmuir,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
Water
pollution
by
dyes
is
a
serious
environmental
issue
of
modern
society
that
needs
to
be
addressed
effectively.
Herein,
promising
adsorbent,
i.e.,
3D
composite
aerogel,
was
developed
using
reduced
graphene
oxide
and
silk
fibroin
(rGO-SF)
via
hydrothermal
freeze-drying
techniques.
The
efficiency
the
prepared
aerogel
toward
methylene
blue
(MB)
dye
adsorption
explored
in
batch
experiments.
A
study
revealed
capacity
rGO-SF120
as
249.89
mg/g
dye.
also
selectively
adsorbs
MB
over
other
dyes,
such
rhodamine
B
(RhB)
orange
(MO).
process
mainly
chemical
(as
data
fitted
well
both
pseudo-second-order
Elovich
kinetic
models)
followed
Langmuir
model,
indicating
it
formed
single
layer
on
its
surface.
Overall,
an
effective
potential
candidate
for
treating
dye-loaded
water
with
high
efficiency.
Язык: Английский
Comprehensive insights into the application of graphene-based aerogels for metals removal from aqueous media: Surface chemistry, mechanisms, and key features
Advances in Colloid and Interface Science,
Год журнала:
2024,
Номер
335, С. 103338 - 103338
Опубликована: Ноя. 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.
Язык: Английский
Recent advances in the environmental application of graphene-based composites
Rongbo Hou,
Weiyu Zhu,
Yanxue Yue
и другие.
Environmental Science Nano,
Год журнала:
2024,
Номер
11(6), С. 2302 - 2323
Опубликована: Янв. 1, 2024
Graphene-based
composites
have
been
widely
applied
in
environmental
remediation
owing
to
their
high
removal
capacity.
Язык: Английский
Advances in cellulose/graphene oxide-based polymer composites as a versatile platform for the diminution of water toxicants
Journal of Molecular Liquids,
Год журнала:
2025,
Номер
unknown, С. 127261 - 127261
Опубликована: Фев. 1, 2025
Язык: Английский
A versatile alginate aerogel with spatially separated sorption sites for simultaneously and collaboratively scavenging Pb(II) and tetracycline in wastewater: Insight into behavior and mechanisms in the mixture system
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 141839 - 141839
Опубликована: Март 1, 2025
Язык: Английский
Highly Efficient Adsorption of Cr(VI) by Mechanically Enhanced Chitosan Oligosaccharide Aerogel with Hierarchical Porosity
Langmuir,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
A
three-dimensional
porous
aerogel
was
synthesized
by
combining
soft
chitosan
oligosaccharide
to
hard
multi-walled
carbon
nanotubes
(MWCNTs)
under
mild
conditions.
Owing
the
support
of
MWCNTs,
mesopores
can
be
detected
on
inner
surfaces
aerogel.
The
cross-linking
tetraethylenepentamine
forms
a
macropore
structure
after
freeze
drying,
using
water
as
template.
hydrogel
bear
30%
recoverable
compression
with
aid
hydrogen
bonds
between
amide
groups.
exhibits
excellent
adsorption
capabilities
for
Cr(VI)
in
water.
capacity
reach
367.6
mg/g
within
100
min.
Notably,
demonstrated
an
extremely
high
efficiency
removal
trace
Cr(VI).
Soluble
1
mg/L
completely
removed
at
dosage
0.2
g/L.
This
work
provides
new
strategy
synthesize
adsorbents
hierarchical
pores
that
exhibit
porosity
and
fast
mass
transfer
rate.
Язык: Английский
Soybean hull hemicellulose–soybean protein isolate composite aerogel: Adsorption material for remediation of heavy metal-polluted water
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 143298 - 143298
Опубликована: Апрель 1, 2025
Язык: Английский
Standalone Highly Efficient Graphene Oxide as an Emerging Visible Light-Driven Photocatalyst and Recyclable Adsorbent for the Sustainable Removal of Organic Pollutants
Langmuir,
Год журнала:
2024,
Номер
40(35), С. 18486 - 18502
Опубликована: Авг. 22, 2024
Carbon-based
nanostructures
are
promising
eco-friendly
multifunctional
nanomaterials
because
of
their
tunable
surface
and
optoelectronic
properties
for
a
variety
energy
environmental
applications.
The
present
study
focuses
on
the
synthesis
graphene
oxide
(GO)
with
particular
emphasis
engineering
its
optical
making
it
an
excellent
adsorbent
as
well
visible
light-active
photocatalyst.
It
was
achieved
by
modifying
improved
Hummers
method
through
optimizing
parameters
involved
in
oxidation
process.
This
controlled
allows
systematic
tailoring
structural,
optical,
functionality,
leading
to
adsorption
photocatalytic
sustainable
removal
organic
pollutants
water
treatment.
Several
spectroscopic
microscopic
characterization
techniques,
such
XRD,
SEM,
Raman,
UV-visible,
FTIR,
TEM,
XPS,
BET,
etc.
were
employed
analyze
degree
oxidation,
chemistry/functionalization,
morphological,
structural
synthesized
GO
nanostructures.
analyses
showed
functionality
active
sites
better
adsorptive
band
gap
from
2.51
2.76
eV
exhibiting
natural
sunlight
activity
(>99%)
pollutant.
Various
isotherms
have
been
studied
capability
(
Язык: Английский
Conductivity optimisation of graphene oxide-M13 bacteriophage nanocomposites: towards graphene-based gas micronano-sensors
Discover Nano,
Год журнала:
2024,
Номер
19(1)
Опубликована: Сен. 18, 2024
Abstract
Graphene
oxide
(GO)
and
M13
bacteriophage
can
self-assemble
to
form
ultra-low
density
porous
structures,
known
as
GraPhage13
aerogels
(GPA).
Due
the
insulating
nature
of
GPA
challenges
in
producing
highly
conductive
aerogels,
it
is
paramount
explore
ways
enhance
conductivity
GPA.
Herein,
we
have
developed
a
method
GPA,
via
integration
optimisation
5
nm
20
diameter
gold
nanoparticles
(AuNPs)
into
aerogel
structure
systematically
analysed
morphology,
composition
spectroscopic
properties
resulting
GPA-Au
nanocomposite.
The
fabricated
nanocomposites
exhibited
remarkable
increases
conductivity,
with
AuNPs
leading
53-fold
increase
compared
achieving
performance
up
360
nS/cm,
which
within
range
suitable
for
miniaturised
semiconductor
devices.
mechanism
behind
enhancement
was
further
investigated
attributed
GO-AuNP
interactions
increasing
carrier
by
introducing
new
energy
levels
GO
band
gap
or
shifting
its
Fermi
level
towards
conduction
band.
These
findings
demonstrate
potential
functionalised
significantly
improve
electrical
paving
way
their
application
gas
sensors
biological
chemical
detection
advanced
Язык: Английский