Water,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3357 - 3357
Published: Nov. 22, 2024
In
terms
of
environmental
protection
and
the
sustainable
development
society,
constraint
dye
concentrations
in
industrial
wastewater
is
vitally
important
for
every
country.
this
study,
egg
white
protein
(EWP)–soybean
isolate
(SPI)
hierarchical-network
hydrogel
beads
reinforced
with
calcium
alginate
are
devised
using
a
one-step
chemical
crosslinking.
The
prepared
EWP/SPI
beads,
specific
surface
area
26.55
m2∙g−1,
possess
self-floating
ability
that
enhances
their
solid–liquid
separation
methylene
blue
(MB)
from
sewage
achieves
adsorption
equilibrium
within
60
min.
investigation
behavior
indicates
results
fitted
well
Langmuir
isotherm
mode
pseudo-first-order
kinetic
model.
Based
on
model
model,
capacity
maximum
towards
MB
187.495
336.265
mg∙g−1,
respectively.
Furthermore,
favorable
regeneration
demonstrated,
removal
efficiency
decreasing
94%
to
82%
(10
mg
dose,
100
mg∙L−1
MB,
pH
7,
25
°C)
after
five
adsorption–desorption
cycles.
resulting
hydrophilicity
exhibited
good
stability
(above
80%)
7
days,
suggesting
potential
recycling
diverse
complex
environments.
Therefore,
inexpensive
floating
provide
new
insight
organic
pollutant
treatment
wastewater.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 27, 2025
Abstract
Silicon
carbide
(SiC)
aerogels
are
advanced
materials
distinguished
by
their
low
density,
high
porosity,
exceptional
thermal
resistance,
and
tunable
dielectric
properties,
making
them
highly
promising
for
applications
in
insulation,
environmental
protection,
electromagnetic
wave
absorption.
Despite
potential,
the
fabrication
of
SiC
with
optimized
performance
presents
significant
challenges,
including
scalability
issues,
cost
constraints,
difficulties
achieving
precise
control
over
material
properties
architectures.
This
review
comprehensively
examines
methods
aerogels,
such
as
sol–gel
processing,
electrospinning,
3D
printing,
emerging
synthesis
techniques.
It
emphasizes
impact
on
key
conductivity,
chemical
stability,
mechanical
properties.
The
recent
advancements
application
absorption,
sensing,
catalysis
discussed.
concludes
an
evaluation
advantages
limitations
proposes
future
research
directions
to
support
broader
industrial
adoption.
Journal of Dispersion Science and Technology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 12
Published: July 15, 2024
Our
study
focused
on
the
removal
of
metformin
in
aqueous
solution.
Metformin,
an
antidiabetic
drug,
is
increasingly
detected
wastewater.
This
explored
feasibility
using
bentonite
encapsulated
sodium
alginate
as
a
sustainable
and
efficient
sorbent
for
removal.
The
adsorbent
was
characterized
by
RAMAN,
Fourier
transform
infrared
(FTIR),
X-ray
diffraction
(XRD),
scanning
electron
microscope
(SEM),
electron-dispersive
spectrometer
(EDS),
point
zero
charge
(pHzc).
contains
various
functional
groups
including
hydroxyl
(-OH)
from
both
alginate,
carboxyl
(-COOH)
silanol
(-Si-OH)
bentonite.
Batch
kinetic
studies
were
carried
out
function
pH,
concentration,
amount,
solution
temperature.
Freundlich
Langmuir
models
used
to
describe
isotherm
data.
maximum
monolayer
adsorption
capacity
material
19,19
mgg−1.
pseudo-second
order
model
adequately
describes
negative
ΔH
(−35,253
kJmol−1)
confirms
exothermic
process,
which
further
supported
Gibbs
energy
values
(−0,489
−3,668
kJmol−1),
indicating
spontaneity
reversibility.
Moreover,
ΔS°
=
−0.105
kJ/mol−1.K−1.
Response
surface
methodology
employed
identify
optimal
parameters
These
found
be:
pH
6.34,
concentration
5.4
mgL−1,
dosage
3
g
L−1
resulted
remarkable
efficiency
94%.
Additionally,
beads
(BBs)
maintained
significant
up
three
cycles,
demonstrating
promising
reusability.
highlights
that
encapsulation
clay
effective
approach
removing
during
water
treatment.
Gels,
Journal Year:
2024,
Volume and Issue:
10(9), P. 585 - 585
Published: Sept. 12, 2024
The
development
of
cost-effective
and
high-performance
technologies
for
wastewater
treatment
is
essential
achieving
a
sustainable
economy.
Among
the
various
methods
available
water
remediation,
adsorption
widely
recognized
as
an
effective
straightforward
approach
removing
range
pollutants.
Gel
materials,
particularly
hydrogels
aerogels,
have
attracted
significant
research
interest
due
to
their
unique
properties.
Hydrogels,
instance,
are
noted
ability
be
regenerated
reused,
ease
separation
handling,
suitability
large-scale
applications.
Additionally,
low
cost,
high
absorption
capacity,
contribution
environmental
protection
important
advantages.
Aerogels,
on
other
hand,
distinguished
by
thermal
conductivity,
transparency,
flexibility,
porosity,
mechanical
strength,
light
weight,
large
surface
area,
ultralow
dielectric
constant.
This
review
provides
comprehensive
analysis
current
literature,
highlighting
gaps
in
knowledge
regarding
classification,
preparation,
characterization,
key
properties
these
materials.
potential
application
aerogels
contaminants
such
dyes,
heavy
metals,
organic
inorganic
pollutants,
also
discussed.
