Environmental Science and Pollution Research,
Год журнала:
2023,
Номер
30(56), С. 119473 - 119490
Опубликована: Ноя. 6, 2023
Abstract
Due
to
the
dual
issues
of
antibiotic
resistance
and
bioaccumulation
toxicity,
antibiotics
are
ubiquitously
present
in
aquatic
environments,
this
is
causing
serious
concern.
Herein,
novel
nickel
ferrite
(NiFe
2
O
4
)
nanoparticles
were
successfully
loaded
onto
activated
biochar
(BC)
derived
from
banana
peel
(BP)
obtain
magnetic
nanocomposite
(BC-NiFe
as
an
effective
biosorbent
for
ciprofloxacin
(CIP)
elimination
pharmaceutical
effluent.
A
facile
co-precipitation
approach
was
utilized
construct
heterogeneous
BC-NiFe
.
The
synthesized
materials
systematically
characterized
using
techniques
such
XRD,
FE-SEM,
EDX,
HR-TEM,
BET,
FTIR,
XPS.
In
addition,
measurements
indicated
ferromagnetic
behavior
sample.
influencing
factors
(i.e.,
pH,
contact
time,
initial
concentration,
dose
adsorbent,
ions
interference,
solution
temperature)
adsorption
process
also
well
studied.
capacity
heterostructure
68.79
mg
g
−1
compared
BC
sample
(35.71
),
confirming
that
loading
magnetically
NiFe
surface
porous
enhanced
its
stability
performance
CIP
removal,
wherein
metal-antibiotic
complex
has
a
significant
effect
removal
CIP.
Moreover,
Langmuir
isotherm
pseudo-second-order
model
displayed
good
fit
experimental
data.
values
△
H
°
G
revealed
endothermic
spontaneous.
coordination
affinities,
π-π
stacking,
H-bonding
interactions
play
more
critical
role
mechanism
confirmed
by
FTIR
XPS
analysis.
To
study
nanocomposites,
desorption
recycling
studies
investigated.
results
after
three
cycles,
no
loss
efficiency
detected,
reflecting
reusability
prepared
nanocomposite.
Results in Chemistry,
Год журнала:
2024,
Номер
7, С. 101332 - 101332
Опубликована: Янв. 1, 2024
The
emission
of
heavy
metals
in
the
environment
has
caused
many
problems
world
due
to
industrialization
society
and
expansion
urbanization.
Environmental
pollution,
including
greenhouse
gases
water-soluble
toxic
pollutants,
is
a
major
concern
around
world.
One
most
important
issues
protecting
health
humans,
animals
plants
cleanliness
water.
Water
substance
vital
for
all
living
things
on
planet.
can
be
treated
several
ways,
such
as
desalination,
purification,
osmosis,
disinfection,
deposition
contaminants.
Among
these
methods,
adsorption
method
advantages
over
other
methods.
surface
phenomenon
during
which
contaminants
are
adsorbed
adsorbent
with
physical
forces
depends
factors
temperature,
pH,
concentration
contaminants,
time
phase
contact
particle
size
temperature
nature
pollutants
adsorption.
Chitosan
received
widespread
attention
an
because
its
low
cost
great
potentials.
abundant
hydroxyl
amino
groups
that
bind
metal
ions.
However,
it
defects
sensitivity
thermal
stability,
mechanical
strength,
limit
application
chitosan
wastewater
treatment.
functional
modified
improve
performance
via
crosslinking
graft
modification.
porosity
specific
area
powder
form
not
ideal,
therefore,
modification
been
attempted
generate
nanoparticles
hydrogel.
also
integrated
materials
(e.g.
graphene,
zeolite)
resulting
composite
improved
performance.
This
review
mainly
focuses
reports
about
derivatives
remove
different
metals.
preparation
strategy,
mechanism,
affecting
adsorbents
each
type
discussed
detail.
Recent
organic
(dyes
phenol)
removal
by
briefly
discussed.
