Molecules,
Journal Year:
2025,
Volume and Issue:
30(7), P. 1560 - 1560
Published: March 31, 2025
Sodium
alginate
is
a
polysaccharide
compound
extracted
from
natural
plants
that
has
been
successfully
prepared
as
hydrogel
for
adsorbing
and
removing
pollutants.
However,
the
selectivity
of
alginate-based
hydrogels
to
malachite
green
(MG)
dyes
stability
in
air
cannot
meet
requirements.
Herein,
metal–organic
frameworks
(MOFs)
are
embedded
into
magnetic
create
MOF
(MMOF
hydrogel)
microspheres
with
high
adsorption
capacity.
The
morphology
physical
properties
MMOF
were
characterized
by
scanning
electron
microscopy
optical
microscopy.
Under
optimized
conditions,
rate
MG
reached
96.5%.
maximum
capacity
was
determined
be
315
mg·g−1.
This
highly
efficient
adsorbent
dye
removal
considerable
potential
rapidly
toxic
contaminants
aquatic
food
matrices
high-throughput
sampling
pretreatment,
which
rapid,
green,
large-scale
environmental
remediation
future.
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(43), P. 18655 - 18666
Published: Oct. 18, 2024
Herein,
a
unique
"rattan-like"
three-dimensional
porous
fiber
membrane
is
fabricated
by
integrating
carbon
nanotubes
(CNTs)
into
amyloid
bovine
serum
albumin
fibers
(ABFs).
Specifically,
the
CNTs
are
embedded
as
an
inner
interpenetrating
framework
to
organize
thoroughly
connected
macro-mesoporous
architecture.
The
distinctive
reticular
microstructure
instrumental
in
minimizing
hydraulic
resistance,
maximizing
availability
of
adsorption
sites,
and
enhancing
dye
mass
transfer.
Comprehensive
physical
characterizations
have
been
conducted,
revealing
highly
structures
(55.3
m2/g)
multimodal
pore
size
distribution
with
average
diameter
41.8
nm,
both
beneficial
for
adsorption.
As
expected,
ABF/CNT
exhibits
extraordinary
capacity
682.9
mg/g
Congo
red,
rapid
kinetics
(90%
its
equilibrium
within
150
min),
good
reusability
that
dropped
24.7%
efficiency
even
after
15
cycles.
Furthermore,
introduction
staggered
macropores
has
significantly
enhanced
transfer
factor
([kLa]d),
which
turn
improved
global
([kLa]g).
simple
fabrication
efficient
performance
make
it
capable
alleviating
CR
contamination
problems
biological
adsorbent.
