Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
10, P. 100862 - 100862
Published: July 25, 2024
In
full-scale
units,
the
real
application
of
nanoparticles
photocatalytic
degradation
is
still
challenging
due
to
requirement
post
separation
for
recovery
fine
particles.
This
work
investigated
removal
efficiencies
perfluorooctane
sulfonic
acid
(PFOS)
and
perfluorooctanoic
(PFOA)
using
titanium
dioxide
(TiO2)
coupling
with
graphene
oxide
(GO)
sheets
immobilized
in
polyvinyl
alcohol
(PVA)
matrix
via
solution-casting
a
heat-treatment
process
achieve
TiO2/GO/PVA
nanocomposite
film
as
photocatalyst.
The
operative
parameters
were
focused
on
initial
solution
pH
value,
GO
concentration,
time,
which
subsequently
determined
optimal
indices
catalyst
film.
structure
characterization
Ti–O–C
bond
indicated
that
strong
interaction
between
TiO2
had
been
formed
at
hydrolysis
while
TiO2/GO
chemically
embedded
PVA
by
method.
PFOS
PFOA
produced
25
wt%
was
treated
120
°C
3
h
exhibited
remarkable
activity
acidic
3.
condition
efficiently
degraded
approximately
95.99
%
96.89
%,
respectively,
through
reaction.
research
presents
straightforward
method
synthesize
influences
persistent
organic
pollutants
(POPs)
under
ultraviolet
irradiation,
practical
significance
environmental
applications.
