Water Science & Technology,
Год журнала:
2024,
Номер
90(9), С. 2469 - 2484
Опубликована: Окт. 22, 2024
ABSTRACT
This
study
offers
a
comprehensive
review
of
global
microplastic
(MP)
contamination
in
landfill
leachate
(LL)
and
examines
remediation
strategies
using
membrane
technologies
such
as
ultrafiltration
(UF),
nanofiltration
(NF),
reverse
osmosis
(RO),
bioreactors
(MBRs).
Research
investigations
full-scale
applications
these
for
treating
LL
demonstrate
their
efficacy
viable
solutions
on-site
treatment,
providing
promise
mitigating
toxicity
reducing
the
environmental
human
health
risks
associated
with
MP
pollution.
While
size
MPs
may
raise
questions
about
necessity
NF
RO
membranes
removal,
processes
are
commonly
employed
many
landfills
to
serve
barriers
retention.
Despite
high
MBR
systems
removing
MPs,
accumulation
biological
sludge
can
adversely
affect
performance
fouling,
necessitating
further
exploration.
In
general,
face
challenges
fouling
release
MPs.
Therefore,
research
is
needed
address
understand
membrane–MP
interactions,
explore
cleaning
treatment
impact
on
from
membranes,
integrity
after
continuous
exposure
under
varied
operating
conditions.
With
the
widespread
use
of
plastic
products,
microplastic
(MP)
pollution
has
become
an
important
factor
threatening
water
environment
and
human
health.
Ultrafiltration
(UF)
technology,
based
on
organic
polymer
membranes,
is
a
common
method
to
remove
MPs
in
treatment
processes,
offering
high
removal
efficiency
scalability.
However,
plants
(WTPs),
oxidation
pretreatment
often
applied
before
UF,
presence
oxidants
can
affect
membrane
performance.
In
this
study,
we
constructed
polyvinylidene
fluoride
(PVDF)
ultrafiltration
for
gravity
filtration
system
investigate
impact
sodium
hypochlorite
polystyrene
(PS)
under
filtration.
As
result,
pre-chlorination
reduced
PS
deposition
membranes
by
improving
flux
stability
(15.1%)
but
significantly
decreased
rate
(from
36.6%
22.6%).
Pre-oxidation
facilitated
shift
fouling
behavior
toward
intermediate
blocking
while
reducing
standard
enhancing
irreversible
recovery.
continuous
chlorine
exposure
increased
porosity
pore
size,
substituted
fluorine
with
chlorine,
led
carbon
leaching,
indicating
pre-oxidation
jeopardizes
separation
These
findings
provide
insights
into
development
novel
strategies
aimed
at
sustainability
processes
WTPs.
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
31(9), С. 13512 - 13522
Опубликована: Янв. 23, 2024
Microplastics
(MPs)
have
been
observed
in
the
oceans,
fresh
waters,
karstic
water
and
remote
bodies.
However,
little
is
known
on
groundwater
contamination,
which
a
natural
resource
of
utmost
importance
for
millions
people
often
perceived
as
reliable
source
water.
Moreover,
nanofiltration
technology
to
remove
contaminants
from
In
this
study,
large
sample
volumes
silty-sandy
gravel
aquifer
corresponding
nanofiltered
were
analysed
presence
MPs
(>
20
µm)
using
Fourier
transform
infrared
(FTIR)
microscopy.
Concentration
ground
was
8
±
7
MPs/m
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 2, 2025
In
recent
years,
synthetic
polymers
have
become
integral
to
modern
society,
but
their
improper
disposal
has
led
significant
environmental
challenges.
Therefore,
it
is
of
great
significance
investigate
the
impact
polymer
waste.
Herein,
we
conducted
comprehensive
research
on
biodegradability
poly(styrene-alt-maleic
anhydride)
(PSM)
when
exposed
soil
and
microbes,
as
well
its
toxic
effects
soybean
seedlings
Eisenia
fetida.
The
biodegradation
process
PSM
was
thoroughly
evaluated
using
respirometry
tests,
Fourier
transform
infrared
spectroscopy,
gel
permeation
chromatography,
weight
loss
analysis,
bacterial
reproduction
tests.
After
90
days
incubation
in
soil,
mineralization
ratio
reached
15%,
weight-average
molecular
gradually
decreased
from
28.0
14.5
kg/mol
first
14
days.
Additionally,
experienced
a
50%
degradation
by
Pseudomonas
aeruginosa
after
30
terms
phytotoxicity,
showed
slight
morphology
while
inducing
oxidative
stress
roots.
fetida
were
investigated
both
filter
paper
contact
methods.
test
that
LC50
value
above
1000.0
μg/cm2
at
48
h,
indicated
an
93.34
g/kg
7
conclusion,
demonstrates
excellent
low
biotoxicity,
suggesting
potential
for
emerging
applications.
