PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(10), P. e0307055 - e0307055
Published: Oct. 9, 2024
Magnetic
Co0.5Mn0.5Fe2O4
nanoparticles
were
successfully
prepared
via
the
combustion
and
calcination
process,
with
an
average
particle
diameter
of
31.5
nm
a
saturation
magnetization
25.25
emu·g-1,
they
employed
to
adsorbe
Congo
red
(CR)
from
wastewater,
Pseudo-second-order
kinetic
Freundlich
isotherm
consistent
adsorption
data,
indicating
that
their
was
multilayer
chemisorption
thermodynamic
investigation
showed
favored
exothermic
process.
The
ionic
strength
Cl-
in
CR
solution
had
no
obvious
effect
on
efficiency
nanoparticles,
maximum
adsorbance
58.3
mg·g-1
at
pH
2,
decreasing
as
solutions
increased
2
12.
ion
leaching
experiment
XRD
demonstrated
excellent
stability,
relative
removal
rate
93.85%
first
time
after
7
cycles.
Cyclic
voltammetry
electrochemical
impedance
spectroscopy
adsorbed
onto
electrical
conductivity
decreased
CR.
displayed
promising
application
wastewater
treatment.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 30, 2025
Abstract
Sodium
alginate
(SA)
aerogels
have
received
extensive
attention
in
environmental
modification,
energy‐related
systems,
and
thermal
insulation
due
to
their
good
processability,
nontoxicity,
biodegradability.
However,
achieving
superior
mechanical
properties
remains
a
significant
challenge
for
SA
as
engineering
materials.
In
this
work,
superstrong
are
prepared
via
an
effective
situ
crosslinking
method,
consisting
of
ice‐templated
preassembly
followed
by
specially
designed
dissolution
process
mixing
GDL/EtOH/H
2
O
(δ‐glucolactone/ethanol/water)
solution.
Upon
optimization
heat
mass
transfer
during
the
ice
process,
along
with
unique
template
effect,
homogeneous,
highly
crosslinked,
long‐range
oriented
structure
high‐solid
fraction
matrices
is
obtained.
The
resultant
(248.0
±
4.4
mg
cm
−3
)
exhibit
outstanding
specific
modulus
1.45
0.15
GPa
3
g
−1
(
E
=
360
32
MPa,
σ
y
14.8
0.8
MPa),
remarkable
energy
absorption
capability
(32.1
kJ
kg
),
considerable
performance
(0.044
0.007
W
m
K
).
present
strategy
paves
way
fabrication
high‐performance
SA‐based
materials
well‐oriented
microstructures
multifunctionality.
