Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
272, P. 116006 - 116006
Published: Jan. 31, 2024
Due
to
microplastics
(MPs)
being
widely
distributed
in
soil,
the
use
of
advanced
oxidation
remediate
organic-contaminated
soils
may
accelerate
aging
MPs
soil
and
impact
release
di-(2-ethylhexyl)
phthalate
(DEHP),
a
potential
carcinogen
used
as
plasticizer
plastics,
from
MPs.
In
this
study,
persulfate
(PO)
temperature
treatment
(TT)
were
treat
biodegradable
petroleum-based
MPs,
including
polylactic
acid
(PLA),
polyvinyl
chloride
(PVC),
polystyrene
(PS).
The
methods
for
evaluating
characteristics
changes
MP
X-ray
diffraction
(XRD)
analysis
water
contact
angle
measurement.
effects
on
DEHP
investigated
via
incubation.
results
showed
PO
TT
led
increased
surface
roughness,
oxygen-containing
functional
group
content,
hydrophilicity
with
prolonged
aging,
consequently
accelerating
Interestingly,
PLA
aged
faster
than
PVC
PS
under
similar
conditions.
After
30
days
treatment,
into
0.789-fold,
exceeding
increase
(0.454-fold)
(0.287-fold).
This
suggests
that
poses
higher
ecological
risk
or
PS.
Furthermore,
resulted
degradation
surface.
content
PLA,
PVC,
decreased
by
19.1%,
25.8%,
23.5%,
respectively.
Specifying
types
studied
environmental
conditions
would
provide
more
precise
context
results.
These
findings
novel
insights
fate
ecotoxicity
arising
remediation
contaminated
soils.