Materials,
Год журнала:
2024,
Номер
17(24), С. 6158 - 6158
Опубликована: Дек. 17, 2024
The
growing
demand
for
alkali
metals
(AMs),
such
as
lithium,
cesium,
and
rubidium,
related
to
their
wide
application
across
various
industries
(e.g.,
electronics,
medicine,
aerospace,
etc.)
the
limited
resources
of
naturally
occurring
ores,
has
led
an
increased
interest
in
methods
recovery
from
secondary
sources
brines,
wastewater,
waste
leachates).
One
dynamically
developing
research
directions
field
separation
AMs
ions
aqueous
solutions
is
search
novel,
efficient,
“green”
materials
that
could
be
used
adsorption
processes,
also
on
a
larger
industrial
scale.
This
review
concerns
latest
achievements
(mainly
2023
2024)
development
innovative
ion
sieves,
aluminum-based
adsorbents,
mineral
composites,
resins)
Li+,
Cs+,
Rb+
solutions,
with
particular
emphasis
most
important
advantages
limitations,
well
potential
impact
environment.
New Journal of Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
A
chemically
modified
fruit
peel
waste
for
efficient
lithium
extraction,
accompanying
adsorption–desorption
cycle
evaluating
rate
kinetics
and
mechanistic
forces.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 29, 2024
Electrospun
nanosorbent
fibers
specifically
designed
for
efficient
lithium
extraction
were
developed,
exhibiting
superior
physicochemical
properties.
These
fabricated
using
a
polyacrylonitrile/dimethylformamide
matrix,
with
viscosity
and
dynamic
mechanical
analysis
showing
that
optimal
interactions
achieved
at
lower
contents
of
layered
double
hydroxide.
This
meticulous
adjustment
in
formulation
led
to
the
creation
porous
(Li-PNFs-1).
Li-PNFs-1
exhibited
outstanding
attributes,
including
yield
stress
0.09
MPa,
tensile
strength
2.48
an
elongation
break
19.7%.
Additionally,
they
demonstrated
pronounced
hydrophilicity
hierarchical
architecture,
which
greatly
favor
rapid
wetting
kinetics
adsorption.
Morphologically,
uniform
smoothness
diameter
averaging
546
nm,
indicative
orderly
crystalline
growth
dense
molecular
arrangement.
X-ray
photoelectron
spectroscopy
density
functional
theory
Cambridge
Serial
Total
Energy
Package
revealed
modifications
spatial
electronic
configurations
polyacrylonitrile
due
hydrogen
bonding,
facilitating
adsorption
capacity
up
13.45
mg/g
under
conditions.
Besides,
isotherm
showed
equilibrium
within
60
min
confirmed
chemical
selective
nature
Li
Sustainability,
Год журнала:
2024,
Номер
16(24), С. 11037 - 11037
Опубликована: Дек. 16, 2024
Both
biochar
and
layered
double
hydroxide
(LDH)
have
drawbacks
in
regard
to
the
removal
of
heavy
metals.
The
combined
application
LDH
not
only
solved
problem
easy
agglomeration
but
also
effectively
improved
metal
adsorption
capacity
biochar.
In
this
work,
a
MgFe–LDH
banana
straw
composite
(MgFe–LDH@BB),
with
regular
hydrotalcite
structure,
was
synthesized
by
employing
simple
hydrothermal
method.
showed
an
ultra-high
for
lead
(Pb),
cadmium
(Cd),
zinc
(Zn)
water.
A
series
experiments
were
conducted
investigate
characteristics
MgFe–LDH@BB.
At
pH
=
6.0,
MgFe–LDH@BB
demonstrated
effective
Pb,
Cd,
Zn.
addition,
results
that
Zn
rapid
conformed
pseudo-second-order
kinetic
Langmuir
models,
indicating
single-layer
chemical
adsorption.
maximum
1112.6,
869.6,
414.9
mg·g−1,
respectively.
Moreover,
mechanisms
mainly
included
hydroxide/carbonate
precipitation,
complex
formation
hydroxyl
groups,
ion
exchange.
Meanwhile,
had
ability
immobilize
metals
soil.
surface-rich
functional
groups
cation
exchange
promoted
transformation
active
ions
into
more
stable
form.
