Water Practice & Technology,
Год журнала:
2024,
Номер
19(9), С. 3676 - 3692
Опубликована: Июль 4, 2024
ABSTRACT
In
this
work,
a
magnetic
nanocomposite
adsorbent
was
synthesized
by
crosslinking
graft
copolymerization
of
gelatin
and
acrylamide
onto
graphene
oxide
nanosheets
in
the
presence
Fe3O4
nanoparticles.
The
structure
nanocomposites
characterized
using
FTIR,
SEM,
TEM,
XRD,
VSM
point
zero
charge
(pHpzc).
prepared
were
employed
as
bioadsorbents
for
adsorption
copper
ions.
effects
parameters
under
different
conditions
studied
detail
through
batch
experiments.
maximum
ion
capacity
259
g.
g−1
achieved
optimum
that
found
to
be:
pH=8.0,
concentration=80
mg
L−1,
dosage=0.5
mg.
contact
time=2
hours,
temperature=60
°C.
kinetics
isotherms
fitted
well
at
various
concentrations
(40,
80
160
L−1)
second-order
Langmuir
models
with
R2=0.9991
0.9928,
respectively.
Moreover,
thermodynamic
show
process
spontaneous
endothermic.
addition,
adsorbents
depicted
excellent
regeneration
ability
after
six
adsorption-desorption
cycles
maintained
89%
its
initial
capacity.
conclusion,
obtained
results
confirmed
environmentally
friendly
high
capacities
could
be
effective
elimination
ions
from
wastewaters.
The Egyptian Journal of Aquatic Research,
Год журнала:
2023,
Номер
49(4), С. 431 - 443
Опубликована: Дек. 1, 2023
Natural
zeolites
and
composites
containing
zeolites,
with
their
distinctive
physicochemical
properties,
show
great
promise
have
been
applied
across
various
industries,
including
agriculture,
aquaculture,
water
wastewater
treatment,
air
purification,
petrochemicals.
Recent
years
witnessed
significant
advancements
in
the
use
of
these
inorganic
adsorbents.
The
growing
environmental
concerns
related
to
heavy
metal
contamination
sources
underscore
need
for
effective
remediation
strategies
protect
ecosystems
human
health.
This
review
explores
diverse
applications
natural
zeolite
context
removing
metals
from
polluted
water.
A
special
focus
is
also
given
structural
attributes,
composition,
effectiveness
composites.
delves
into
extensive
utilization,
insights
adsorption
capabilities
mechanisms
influencing
performance.
In
addition,
highlights
potential
significance
materials
aquaculture
systems,
particularly
role
mitigating
waterborne
contaminants
enhancing
sustainability.
By
synthesizing
current
research
findings,
this
offers
a
comprehensive
perspective
on
multifaceted
roles
relevance
practices.
