Recyclable Prussian Blue/Luffa Fiber for Efficient Selective Removal of Cesium and its Phytotoxicity Assessment
Abstract
The
emergency
and
safe
treatment
of
radioactive
substances
leakage
wastewater
has
attracted
extensive
attention.
Prussian
blue
was
used
as
an
adsorbent
for
the
purification
wastewater.
However,
easy
agglomeration
due
to
its
small
size
often
limits
application.
With
a
large
specific
surface
area,
lignocellulosic
material–
luffa
fiber
could
form
networks
loading
particles
enhance
adsorption
capacity.
In
this
paper,
recyclable
blue/luffa
prepared
by
in
situ
synthesis
approach.
Means
such
XRD,
SEM,
EDS,
FTIR,
XPS
were
applied
characterize
morphology
physicochemical
properties.
It
exhibited
excellent
selective
removal
efficiency
Cs+
rapid
separation
from
equilibrium
kinetics
followed
Langmuir
isotherm
pseudo-second-order
model
with
maximum
capacity
102.01mg/g.
Both
pH
temperature
had
effects
on
performance.
still
retained
71.2%
after
3-cycle
test,
possible
mechanism
ion
caging
exchange.
addition,
presence
co-existing
ions
only
reduced
rate
less
than
10.0%.
Importantly,
phytotoxicity
assessment
investigated
results
indicated
that
composite
no
obvious
biotoxicity.
is
expected
be
potential
material
disposing
Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 16, 2024
Language: Английский