Abstract
As
one
of
the
most
stable
metal‐organic
frame
materials
(MOFs),
UiO‐66
has
attracted
extensive
attention
in
adsorption
field.
However,
application
is
still
constrained
by
weak
electron‐hole
charge
separation
capability
and
low
accessibility
micropores.
In
this
study,
mesoporous
defects
were
constructed
with
acetic
acid
doped
Fe
3
O
4
to
prepare
magnetically
recyclable
@UiO‐66.
The
doping
resulted
formation
denatured
UiO‐66,
which
was
conducive
oxytetracycline
(OTC)
water.
crystal
structure
physicochemical
characteristics
@UiO‐66
examined.
By
using
static
technique,
mechanism
OTC
on
investigated.
results
reveal
that
an
capacity
210
mg
g
−1
removal
ratio
84.0%.
pseudo‐second‐order
kinetics,
Elovich,
Langmuir
isothermal
models
all
applicable
process.
process
increased
entropy
endothermic
reaction.
Solution
pH
a
little
effect
performance.
This
study
provides
possibility
one‐step
synthesis
MOFs
can
efficiently
adsorb
tetracycline
antibiotics
water
cost
excellent
recyclability
reusablity.
Green Chemistry Letters and Reviews,
Год журнала:
2024,
Номер
17(1)
Опубликована: Июль 23, 2024
Effective
wastewater
treatment
is
essential
due
to
the
dye
environmental
threats.
Photocatalysis
offers
an
eco-friendly
degradation
solution.
Herein,
we
report
a
double
Z-scheme
photocatalyst,
i.e.
LaFeO3/Boron-doped
g-C3N4/Fe2O3
(LFO/B-CN/FO),
fabricated
via
hydrothermal
method.
The
formation
of
this
ternary
system
supported
by
structural,
surface,
and
morphological
analyses.
Differential
scanning
calorimetry
thermal
gravimetric
analysis
demonstrated
crystallization
behavior
composite.
Because
synergetic
effects
in
composite
boron
doping,
optical
band
gap
energy
reduced
1.6
eV.
Under
visible
light
irradiation,
LFO/B-CN/FO
nanocomposite
degraded
navy-blue
98%
130
min
at
neutral
pH,
surpassing
CN,
B-CN,
binary
composites
B-CN
with
LFO
FO.
process
was
rationalized
using
pseudo-first-
pseudo-second-order
kinetic
models,
which
confirmed
high
catalytic
efficiency.
heterojunction
enhanced
absorption,
charge
separation,
carrier
lifetime,
hence
improving
photocatalytic
activity.
Overall,
as-fabricated
outperformed
reference
catalysts
terms
chemical
reactivity,
characteristics,
electrical
performance.
This
work
opens
up
new
route
for
design
fabrication
photocatalysts
potential
renewable
applications.
Abstract
The
growing
presence
of
pharmaceutical
pollutants
in
aquatic
environments
poses
significant
threats
to
both
human
health
and
ecosystems.
Despite
their
crucial
role
healthcare,
pharmaceuticals
enter
water
systems
through
various
sources,
making
them
some
the
most
critical
environmental
contaminants.
Traditional
wastewater
treatments,
which
are
classified
into
physical,
chemical,
biological
techniques,
often
struggle
effectively
remove
pharmaceuticals.
Among
these
methods,
adsorption
stands
out
as
a
reliable
versatile
approach
for
removing
organic
enhancing
efficiency
treatment
processes.
Biopolymers,
particularly
chitosan,
gaining
attention
due
numerous
advantages,
including
biocompatibility,
biodegradability,
affordability,
high
capability,
non‐toxicity,
availability
from
diverse
natural
sources.
Chitosan,
hydrophilic
biopolymer,
can
be
chemically
modified
by
incorporating
nanoparticles
(e.g.,
metal
oxides,
carbon‐based
materials,
magnetic
particles)
boost
its
efficiency.
These
advancements
enable
chitosan‐based
nanocomposites
range
pharmaceuticals,
antibiotics,
analgesics,
hormones,
water.
This
review
examines
latest
developments
nanocomposite
adsorbents,
emphasizing
fundamental
mechanisms,
optimization
conditions,
kinetic
behaviors,
isotherm
models.
factors
collectively
determine
capturing
pollutants.
Moreover,
underscores
potential
materials
remediation,
offering
valuable
insights
application
future
research
directions.
Ultimately,
aim
this
is
provide
insight
offer
an
innovative
effective
solution
challenge
contamination
By
addressing
key
challenges
utilizing
advanced
material
designs,
adsorbents
hold
great
promise
sustainable
efficient
removal
systems.
