Journal of Hazardous Materials,
Год журнала:
2025,
Номер
490, С. 137806 - 137806
Опубликована: Март 3, 2025
The
persistence
of
plastics,
particularly
polypropylene
(PP),
and
their
conversion
into
microplastics
(MPs),
specifically
PP-MPs,
have
emerged
as
serious
ecological
threats
to
soil
aquatic
environments.
In
the
present
study,
we
aimed
isolate
a
microbial
consortium
capable
degrading
PP-MPs.
results
revealed
that
three
consortia
(CPP-KKU1,
CPP-KKU2,
CPP-KKU3)
exhibited
ability
degrade
achieving
weight
losses
ranging
from
11.6
±
0.2
%
17.8
0.5
after
30
days.
Fourier
transform
infrared
(FTIR)
spectroscopy
analysis
confirmed
degradation
through
oxidation,
evidenced
by
presence
new
functional
groups
(-OH
-C=O).
particular,
CPP-KKU3
showed
highest
efficiency,
with
scanning
electron
microscopy
(SEM)
revealing
surface
cracking
treatment.
Additionally,
gas
chromatography-mass
spectrometry
(GC-MS)
identified
various
intermediate
compounds,
including
heterocyclic
aromatic
phenyl
groups,
methylthio
derivatives,
ethoxycarbonyl
indicating
complex
biochemical
processes
were
likely
mediated
enzymes.
Furthermore,
polyhydroxybutyrate
(PHB)
production
these
was
also
investigated.
result
both
CPP-KKU2
successfully
produced
PHB,
demonstrating
superior
performance
in
terms
PP-MP
PHB
production.
Metagenomic
abundant
carbohydrate-active
enzymes
(CAZymes),
glycosyl
transferases
glycoside
hydrolases,
which
are
associated
MP
digestion.
This
study
presents
promising
bioremediation
approach
addresses
plastic
waste
sustainable
bioplastic
production,
offering
potential
solution
for
environmental
pollution.
Environmental Monitoring and Assessment,
Год журнала:
2025,
Номер
197(4)
Опубликована: Март 19, 2025
Abstract
Microplastics
(MPs)
have
become
a
major
global
environmental
problem
due
to
their
accelerated
distribution
throughout
different
environments.
Their
widespread
presence
is
potential
threat
the
ecosystems
because
they
alter
natural
interaction
among
constituent
elements.
MPs
are
considered
as
emergent
pollutants
huge
amount
existing
in
environment
and
by
toxic
effects
can
cause
living
beings.
The
removal
of
from
water
bodies
wastewaters
control
strategy
that
needs
be
implemented
present
on
strictly
constantly
near
future
mitigate
into
other
work
shows
detailed
comparison
current
technologies
for
remediation
pollution.
That
is,
physical,
biological,
chemical
methods
wastewaters.
Focusing
mainly
discussion
perspective
innovative
or
degradation
MPs,
rather
than
deep
technical
methodologies.
selected
novel
physical
discussed
adsorption,
ultrafiltration,
dynamic
membranes
flotation.
used
modify
properties
particles
facilitate
removal.
biological
based
use
bacterial
strains,
worms,
mollusks
fungus
degrade
hydrocarbon
chain
decrease
particles,
these
kinds
microorganisms
feed
organic
chains.
focusing
coagulation,
electrocoagulation,
photocatalysis,
ozonation.
Chemical
achieve
modification
structure
either
change
surface
attacking
radicals
with
high
oxidation
capacity.
Additionally,
some
interesting
combinations
chemical,
discussed.
Finally,
this
includes
critical
several
wastewaters,
emphasizing
areas
opportunity
challenges
faced.
Graphical
abstract
The Science of The Total Environment,
Год журнала:
2024,
Номер
957, С. 177150 - 177150
Опубликована: Ноя. 16, 2024
Microplastics
(MPs)
pollution
has
emerged
as
a
global
environmental
concern
due
to
its
detrimental
impacts
on
ecosystems.
Conventional
wastewater/water
treatment
methods
are
inadequate
for
MPs
removal
their
diminutive
size
ranging
from
micrometers
nanometers.
Advanced
oxidation
processes
(AOPs)
have
gained
attention
promising
green
strategy
the
efficient
and
safe
elimination
of
aqueous
systems.
In
recent
years,
various
AOPs,
including
direct
photo-degradation,
photocatalytic
oxidation,
electrochemical
sono-chemical
ozonation,
well
sulfate
radicals-based
AOPs
(SR-AOPs),
use
hybrid
systems
all
been
extensively
investigated
MP
elimination.
However,
molecular
mechanisms
polymer
chain
scission
by
not
thoroughly
studied
so
far.
this
review,
we
attempted
provide
thorough
overview
highlighted
advances
in
degradation
commonly
used
AOPs.
The
characteristics
limitations
each
technique
examined.
Additionally,
current
policies
legislation
plastic
discussed,
emphasizing
need
regulatory
frameworks
support
effective
mitigation
strategies.
To
advance
practical
application
removal,
future
research
direction
should
address
transition
controlled
laboratory
environments
complex
field
conditions,
assess
sustainability
terms
catalytic
material
design,
selection
oxidants,
power
consumption,
operational
costs.
Given
these
challenges,
recommendations
directions
proposed
based
knowledge
gaps
reported
literature.
This
review
could
offer
coherent
summary
involved
different
techniques,
aiding
advancement
more
dependable
technology
with
superior
efficiency.
