Water Practice & Technology,
Journal Year:
2024,
Volume and Issue:
19(7), P. 2645 - 2654
Published: May 27, 2024
ABSTRACT
Per-
and
polyfluoroalkyl
substances
(PFASs)
can
be
found
ubiquitously
in
the
environment
due
to
their
large-scale
use,
they
pose
risks
both
ecosystems
human
health.
These
pollutants
are
highly
persistent,
making
them
difficult
or
impossible
break
down
with
standard
processing
methods.
Therefore,
focus
of
this
research
is
explore
an
alternative
approach
reduce
PFAS-contaminated
water
by
investigating
breakdown
these
using
atmospheric
non-thermal
plasma
(NTP)
technology.
The
experiments
tested
PFOA
solutions
varying
parameters,
including
different
oxygen
nitrogen
ratios
as
feeding
air,
without
a
cooling
system,
at
time
exposures.
process
showed
energy
efficiency
being
ranged
from
0.31
15.31
mg/kWh.
Chemical
analysis
treated
samples
confirmed
reactor's
suitability
for
PFAS
degradation,
achieving
63.75%
reduction
initial
concentration
after
2
h
treatment.
Furthermore,
degradation
products
such
PFHpA,
PFHxA,
PFPeA,
PFBA
were
identified
Overall,
results
suggest
that
plasma-based
technology
promising
treating
water.
Environmental Science and Pollution Research,
Journal Year:
2023,
Volume and Issue:
30(39), P. 91478 - 91486
Published: July 20, 2023
In
this
paper,
we
report
the
degradation
of
perfluorooctanoic
acid
(PFOA),
which
is
a
persistent
contaminant
in
environment
that
can
severely
impact
human
health,
by
exposing
it
to
photocatalyst,
bismuth
oxyiodide
(BiOI),
containing
both
Bi
Water Practice & Technology,
Journal Year:
2024,
Volume and Issue:
19(7), P. 2645 - 2654
Published: May 27, 2024
ABSTRACT
Per-
and
polyfluoroalkyl
substances
(PFASs)
can
be
found
ubiquitously
in
the
environment
due
to
their
large-scale
use,
they
pose
risks
both
ecosystems
human
health.
These
pollutants
are
highly
persistent,
making
them
difficult
or
impossible
break
down
with
standard
processing
methods.
Therefore,
focus
of
this
research
is
explore
an
alternative
approach
reduce
PFAS-contaminated
water
by
investigating
breakdown
these
using
atmospheric
non-thermal
plasma
(NTP)
technology.
The
experiments
tested
PFOA
solutions
varying
parameters,
including
different
oxygen
nitrogen
ratios
as
feeding
air,
without
a
cooling
system,
at
time
exposures.
process
showed
energy
efficiency
being
ranged
from
0.31
15.31
mg/kWh.
Chemical
analysis
treated
samples
confirmed
reactor's
suitability
for
PFAS
degradation,
achieving
63.75%
reduction
initial
concentration
after
2
h
treatment.
Furthermore,
degradation
products
such
PFHpA,
PFHxA,
PFPeA,
PFBA
were
identified
Overall,
results
suggest
that
plasma-based
technology
promising
treating
water.
