Water,
Journal Year:
2025,
Volume and Issue:
17(8), P. 1190 - 1190
Published: April 16, 2025
Bisphenol
A
(BPA)
is
an
industrial
chemical
used
primarily
in
the
manufacture
of
polycarbonate
plastics
and
epoxy
resins.
BPA
considered
endocrine-disrupting
(EDC)
because
it
interferes
with
hormonal
systems.
Over
decades,
several
techniques
have
been
proposed
for
removal
wastewaters.
This
study
discusses
recent
advancements
progress
effective
removal,
including
membrane,
adsorption,
advanced
oxidation
process
(AOPs),
biodegradation.
The
mechanisms
adsorption
on
modified
adsorbents
include
pore-filling,
hydrophobic
interactions,
hydrogen
bonding,
electrostatic
interactions.
Among
various
agricultural
waste
adsorbents,
Argan
nut
shell-microporous
carbon
(ANS@H20–120)
exhibited
highest
efficiency
removing
BPA.
Furthermore,
performance
magnetic
treatment
activated
(AC)
regeneration
introduced.
According
to
present
study,
researchers
should
prioritize
waste-based
such
as
ACs,
highly
microporous
carbons,
nanoparticles,
polymers
In
particular,
combination
AOPs
(advanced
oxidations)
regarded
efficient
method
removal.
series
relevant
studies
be
conducted
at
laboratory,
pilot,
scales
optimizing
application
AC
reduce
or
other
refractory
pollutants
from
aqueous
environment.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
10, P. 100831 - 100831
Published: July 1, 2024
This
synthesis
aimed
to
obtain
a
highly
stable,
biodegradable,
biocompatible,
and
swellable
superabsorbent
hydrogel
that
is
ecofriendly.
A
new
method
of
preparation
nanocomposite
based
on
Castor
plant
leaves
within
swelling
networks
developed.
Therefore,
Sodium
Alginate-g-Poly
(Itaconic
acid-co-Sodium
4-Styrenesulfonate)/Castor
leaves,
(SA-g-P(ITA-co-NaSS)/CPL)
was
prepared
by
free
radical
copolymerization
using
potassium
persulfate
(KPS)
as
an
initiator
N,N-methylene
bisacrylamide
(MBA)
cross-linker
in
aqueous
solutions.
Characterization
the
surface
has
been
done
Fourier-transform
infrared
spectroscopy
(FTIR)
shown
all
functional
groups
for
(SA-g-P(ITA-co-NaSS)/CPL),
field
emission
scanning
electron
microscopy
(FESEM)
displayed
smooth,
wrinkled
versus
hydrogel's
rough
irregular
surface.
BG-loaded
exhibited
sheet-like
morphology,
spherical
shapes
nonhomogeneous
distribution,
transmission
(TEM)
confirmed
CPL
interaction
with
matrix,
evidenced
dark
regions,
Energy
dispersive
X-Ray
(EDX)
analysis
performed
investigate
elemental
composition
nanocomposite,
X-ray
diffraction
(XRD)
pattern
matrix
disappear
hydrogel.,
thermogravimetric
(TGA)
determine
thermal
stability
synthesized
represented
complete
breakdown
at
600–750
°C,
Brunauer−
Emmett−Teller
(BET)
shows
specific
area
total
pore
volume
0.019
cm3
g−1.
The
effect
onto
Brilliant
Green
(BG)
dye
removal,
exerted
via
adsorbent
through
electrostatic
interactions,
hydrogen
bonds.
Under
optimal
conditions
(Co
=
700
mg.
L−1,
pH
7,
t
1
h,
wt.
0.05
g
T
25
°C),
maximum
adsorption
efficiency
BG
1260.34
higher
uptake
capacity
resulting
efficiencies
above
75–95
%
across
broad
spectrum
initial
concentrations,
solution,
temperatures.
Thus,
after
1h
equilibrium
time,
it
used
saturation
adsorbate
Freundlich
isotherm
models
pseudo-second
order
kinetic
were
found
be
best
fitting
kinetics
data.
Thermodynamic
parameters
show
(ΔG
<
0)
spontaneous
(ΔH
endothermic.
novelty
this
work
being
first
report
supported
CPL,
investigation
its
carried
out
model
pollutant
molecule,
namely
dye,
mechanisms.
promising
novel
absorbance,
proven
high
up
6
sequential
recycles.
