Processes,
Journal Year:
2024,
Volume and Issue:
12(4), P. 803 - 803
Published: April 16, 2024
Microplastics
have
been
widely
detected
in
wastewater
treatment
plants,
but
there
is
still
a
significant
dearth
of
research
data
on
the
removal
efficiency
microplastics
such
plants.
The
present
study
focused
three
plants
situated
Zhengzhou,
China.
On-site
sampling
and
Raman
spectrum
detection
techniques
were
employed
to
identify
both
sludge
samples,
while
was
quantified
for
each
plant.
Results
showed
that
abundance
influent
exhibited
ranging
from
147.5
±
2.6
288.8
11.8
n/L,
range
samples
12,024.7
1737.0
n/kgdw
20,818.4
5662.0
n/kgdw.
efficiencies
WWTPs
ranged
76.2%
91.2%.
primary
components
generally
identified
as
fibers
size
10
100
μm.
collectively
total
seven
distinct
colors,
with
predominant
proportion
being
transparent.
Polypropylene
polymer
type
highest
proportion.
plays
pivotal
role
accumulation
MPs
bodies,
necessitating
increased
attention
toward
its
proper
disposal
future
endeavors.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
967, P. 178817 - 178817
Published: Feb. 14, 2025
Wastewater
treatment
plants
(WWTPs)
are
generally
reported
to
be
effective
in
removing
microplastics
(MPs).
Nevertheless,
the
lack
of
standardized
methodologies
for
their
counting
and
characterization
hinders
direct
comparison
across
literature
reports,
limiting
establishment
reliable
benchmarks.
In
this
perspective,
work
aimed
provide
methodological
insights
on
a
feasible
approach
detecting
characterizing
MPs
both
raw
treated
wastewater
by
exploiting
innovative
Laser
Direct
InfraRed
(LDIR)
technique.
various
polymeric
nature,
size
shape
were
specially
produced
used
fine-tune
validate
LDIR-based
method
chemical
identification
size/morphology
description,
while
well-established
techniques
employed
evaluate
reliability
collected
data.
The
robustness
tailored
protocol
was
then
assessed
through
monitoring
campaign
conducted
at
large
municipal
WWTP
Tuscany
(Italy),
which
an
average
removal
efficiency
82
%
estimated.
Various
polymers
detected
processed
samples,
with
high
relative
content
cellulose-based
materials
influent
effluent
(32
54
particles,
respectively).
Most
had
characteristic
lower
than
100
μm,
particles
<30
μm
representing
about
45
29
effluent,
respectively.
form
fibers
(25-39
%),
fragments
(32-43
%)
pellets
(29-32
%).
consistency
obtained
results
suggested
proposed
method,
highlighting
its
potential
more
in-depth
WWTPs.
Journal of Hazardous Materials Advances,
Journal Year:
2024,
Volume and Issue:
16, P. 100460 - 100460
Published: Aug. 31, 2024
Microplastics,
small
sized
plastic
particles
having
size
<5
mm
are
formed
through
primary
process
including
production
of
beauty
products,
microbeads
and
microfibres
as
well
secondary
mechanical
weathering,
friction,
aberration
fragmentation
large
plastics.
The
major
sources
microplastics
land-based
ocean-based
sources.
Microplastic
pollution
is
a
serious
concern
due
to
the
persistent,
low
biodegradability
bio-accumulative
behaviour.
Microplastics
can
bioaccumulate
in
food
chain
cause
ecological
human
health
risk.
Hence,
it
important
remove
from
aquatic
ecosystems.
removed
systems
wastewater
series
processes
such
physical,
chemical
biological
treatments.
In
present
articles,
>250
articles
reviewed
collect
information
regarding
various
methods
for
removal
microplastics.
Also,
probable
control
strategies
combat
with
were
assessed.
It
was
concluded
that
recent
water
treatment
efficient
removing
microplastic
pollution.
efficiencies
ranged
between
74
%-99.2
%,
65
%-99.20
%
77
%-100
methods,
respectively.
Among
three
physical
especially
filtration
biochar
most
way
(efficiency
up
100
%)
also
creating
public
awareness,
promoting
reusing,
recycling
reducing,
application
bioplastics
wastes.
This
review
will
be
useful
add
current
knowledge
abatement
pollution,
finding
novel
solution
help
policymakers
implement
effective
cost-efficient
method
microplastics,
find
out
new
reduce,
reuse
recycle
