Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(19), P. 1602 - 1602
Published: Oct. 3, 2024
Porous
nanomaterials
have
emerged
as
one
of
the
most
versatile
and
valuable
classes
materials,
captivating
attention
both
scientists
engineers
due
to
their
exceptional
functional
structural
properties
[...]
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(14), P. 1176 - 1176
Published: July 10, 2024
Environmental
pollution
of
phosphorus
is
becoming
increasingly
concerning,
and
phosphate
removal
from
water
has
become
an
important
issue
for
controlling
eutrophication.
Modified
metal-organic
framework
(MOF)
materials,
such
as
UiO-66-NH2,
are
promising
adsorbents
in
aquatic
environments
due
to
their
high
specific
surface
area,
porosity,
open
active
metal
sites.
In
this
study,
a
millimeter-sized
alginate/UiO-66-NH2
composite
hydrogel
modified
by
polyethyleneimine
(UiO-66-NH2/SA@PEI)
was
prepared.
The
entrapping
UiO-66-NH2
the
alginate
microspheres
its
modification
with
PEI
facilitate
easy
separation
addition
enhanced
adsorption
properties.
materials
were
characterized
SEM,
FTIR,
XRD,
BET.
Static,
dynamic,
cyclic
experiments
conducted
under
different
pH,
temperature,
adsorbent
dosage,
initial
concentration
conditions
assess
ability
UiO-66-NH2/SA@PEI.
Under
optimal
65
°C
pH
=
2,
0.05
g
UiO-66-NH2/SA@PEI
adsorbed
68.75
mg/g,
rate
remained
at
99%
after
five
cycles
These
results
suggest
that
can
be
used
effective
wastewater.