Water Environment Research,
Год журнала:
2024,
Номер
96(4)
Опубликована: Апрель 1, 2024
Abstract
Anthropogenic
particles
(AP),
which
include
microplastics
and
other
synthetic,
semisynthetic,
anthropogenically
modified
materials,
are
pollutants
of
concern
in
aquatic
ecosystems
worldwide.
Rivers
important
conduits
retention
sites
for
AP,
time
series
data
on
the
movement
these
lotic
needed
to
assess
role
rivers
global
AP
cycle.
Much
research
assessing
pollution
extrapolates
stream
loads
based
single
point
measurements,
but
highly
variable
over
(e.g.,
seasonality
storm
events).
The
accuracy
models
describing
dynamics
is
constrained
by
limited
studies
that
examine
how
frequent
changes
discharge
drive
particle
transport.
This
study
addressed
this
knowledge
gap
using
automated,
high‐resolution
sampling
track
concentrations
fluxes
during
multiple
events
an
urban
river
(Milwaukee
River)
comparing
measurements
commonly
monitored
water
quality
metrics.
varied
significantly
across
four
events,
highlighting
temporal
variability
dynamics.
When
from
periods
were
pooled,
there
increases
concentration
flux
early
phases
storms,
suggesting
floods
may
flush
into
and/or
resuspend
benthic
zone.
was
closely
linked
discharge,
large
delivered
downstream
storms.
Unexpectedly,
not
correlated
with
simultaneously
measured
metrics,
including
total
suspended
solids,
fecal
coliforms,
chloride,
nitrate,
sulfate,
indicating
metrics
cannot
be
used
estimate
AP.
These
will
contribute
more
accurate
plastic
export
oceans.
Practitioner
Points
(AP)
events.
highest
Storms
increased
transport
compared
baseflow.
did
correlate
International Journal of Environmental Research and Public Health,
Год журнала:
2023,
Номер
20(17), С. 6667 - 6667
Опубликована: Авг. 28, 2023
Plastics,
due
to
their
varied
properties,
find
use
in
different
sectors
such
as
agriculture,
packaging,
pharmaceuticals,
textiles,
and
construction,
mention
a
few.
Excessive
of
plastics
results
lot
plastic
waste
buildup.
Poorly
managed
(as
shown
by
heaps
on
dumpsites,
free
spaces,
along
roads,
marine
systems)
the
landfills,
are
just
fraction
environment.
A
complete
picture
should
include
micro
nano-plastics
(MNPs)
hydrosphere,
biosphere,
lithosphere,
atmosphere,
current
extreme
weather
conditions
(which
effects
climate
change),
wear
tear,
other
factors
promote
MNP
formation.
MNPs
pose
threat
environment
more
than
pristine
counterparts.
This
review
highlights
entry
occurrence
primary
secondary
soil,
water
air,
together
with
aging.
Furthermore,
uptake
internalization,
plants,
animals,
humans
discussed,
toxicity
effects.
Finally,
future
perspective
conclusion
given.
The
material
utilized
this
work
was
acquired
from
published
articles
internet
using
keywords
waste,
degradation,
microplastic,
aging,
toxicity.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(34), С. 12829 - 12837
Опубликована: Авг. 14, 2023
Stormwater
has
been
identified
as
a
pathway
for
microplastics
(MPs),
including
tire
wear
particles
(TWPs),
into
aquatic
habitats.
Our
knowledge
of
the
abundance
MPs
in
urban
stormwater
and
potential
strategies
to
control
is
still
limited.
In
this
study,
samples
were
collected
from
microlitter
capture
devices
(inlet
outlet)
during
rain
events.
Sediment
material
captured
device
inlet
outlet
constructed
wetland.
MP
(>25
μm)
concentration
varied
across
different
locations
ranging
3.8
59
MPs/L
raw
1.8
32
treated
stormwater,
demonstrating
decrease
after
passage
through
(35-88%
removal).
TWPs
comprised
∼95%
all
particles,
followed
by
polypropylene
(PP)
poly(ethylene
terephthalate)
(PET).
The
ranged
2.5
58
TWPs/L
1450
4740
TWPs/kg
sediment,
respectively.
A
higher
was
found
sediment
at
wetland
compared
outlet,
indicating
role
wetlands
removing
stormwater.
These
findings
suggest
that
both
can
mitigate
transport
receiving
waterways.
Water,
Год журнала:
2024,
Номер
16(11), С. 1595 - 1595
Опубликована: Июнь 3, 2024
Microplastics
are
widely
present
worldwide
and
of
great
concern
to
scientists
governments
due
their
toxicity
ability
serve
as
carriers
other
environmental
pollutants.
The
abundance
microplastics
in
different
water
bodies
varied
significantly,
mainly
attributed
the
initial
emission
concentration
pollutants
migration
process
determines
abundance,
fate,
bioavailability
water.
Previous
studies
have
proved
that
physicochemical
properties
themselves
important
factors
affecting
migration,
but
change
external
conditions
is
also
one
main
controlling
microplastics.
In
this
paper,
we
focus
on
effects
meteorological
(rainfall,
light,
wind)
distribution
conclude
influence
affects
inflow
microplastics,
physical
chemical
water,
dynamics
At
same
time,
briefly
summarized
aquatic
organisms,
substrates,
topography
It
believed
organisms
can
affect
through
adsorption
vivo
transmission
plants,
feeding
behavior,
swimming,
metabolism
animals,
extracellular
polymers
formed
by
microorganisms,
original
processes
bodies.
A
full
understanding
mechanism
theoretical
significance
for
law
comprehensively
assessing
pollution
load
safety
risk
The Science of The Total Environment,
Год журнала:
2023,
Номер
908, С. 168378 - 168378
Опубликована: Ноя. 10, 2023
River
water
can
be
used
to
recharge
aquifers
exploited
for
drinking
production.
Several
recent
studies
reported
microplastics
(MPs)
in
river
water,
and
therefore,
the
potential
contamination
of
groundwater
by
MPs
is
a
growing
concern
among
stakeholders
citizens.
In
this
research,
we
investigate
fate
(>
20
μm)
along
six
different
stages
major
Managed
Aquifer
Recharge
(MAR)-water
supply
system
Switzerland.
About
l
were
filtered
using
steel
meshes
at
each
location
triplicates.
laboratory,
deposited
on
anodisc
filters
identified
Focal
Plane
Array
(FPA)
micro-Fourier-Transform-InfraRed
(μFTIR)
spectroscopy.
The
obtained
hyperspectral
data
processed
imaging
software
Microplastics
Finder
identification
classification.
Our
results
revealed
20-fold
decrease
concentration
from
Rhine
bed
(112
±
27.4
MPs/l)
after
coagulation,
flocculation
sedimentation
(5.5
2.2
MPs/l),
further
3-fold
sand-filtration
(1.8
0.9
corresponding
an
overall
removal
efficiency
98.4
%.
concentrations
remained
low
following
MAR
(2.7
0.7
through
Quaternary
gravel
aquifer.
Activated
carbon
did
not
substantially
reduce
concentrations.
percentage
fragments
(≈95
%)
prevailed
over
fibers
(≈5
all
locations,
with
being
longer
more
abundant
water.
Overall,
study
demonstrates
effectiveness
treatment
systems
remove
larger
than
μm.
Finally,
calculated
uncertainty
one
order
magnitude
depending
user-defined
parameters
inside
classification
model.
Quality
Assurance/Quality
Control
approach
followed
during
laboratory
analysis
highlighted
accumulation
surrogate
particles
edges
disc,
which
would
have
impact
number
upscaling.
The Science of The Total Environment,
Год журнала:
2024,
Номер
929, С. 172627 - 172627
Опубликована: Апрель 21, 2024
The
increasing
prevalence
of
microplastics
(MP)
in
urban
environments
has
raised
concerns
over
their
negative
effects
on
ecosystems
and
human
health.
Stormwater
runoff,
road
dust
sediment,
act
as
major
vectors
these
pollutants
into
natural
water
bodies.
Sustainable
drainage
systems,
such
permeable
pavements,
are
considered
potential
tools
to
retain
particulate
pollutants.
This
research
evaluates
at
laboratory
scale
the
efficiency
interlocking
concrete
pavements
(PICP)
porous
(PCP)
for
controlling
microplastics,
including
tire
wear
particles
(TWP)
which
constitute
a
large
fraction
environments,
simulating
surface
pollution
accumulation
Mediterranean
rainfall
conditions.
Microplastic
levels
sediments
stormwater
runoff
inputs
were
4762
±
974
MP/kg
(dry
weight)
23.90
17.40
MP/L.
In
infiltrated
effluents,
microplastic
ranged
from
2.20
0.61
5.17
1.05
MP/L;
while
particle
between
0.28
3.30
0.89
TWP/L.
Distribution
within
layers
PICP
PCP
also
studied
quantified.
Microplastics
tend
accumulate
geotextile
layers,
allowing
retention
efficiencies
89
%
99.6
%.
Small
sized
(<
0.1
mm)
fragment
shaped
most
common
effluent
samples.
results
indicate
that
powerful
tool
capture
particles,
especially
by
layers.
study
aims
shed
light
complex
mobilisation
mechanisms
providing
valuable
insights
addressing
growing
environmental
concern
areas.
Environmental Pollution,
Год журнала:
2024,
Номер
356, С. 124335 - 124335
Опубликована: Июнь 5, 2024
Organic
materials
such
as
bark
and
biochar
can
be
effective
filter
to
treat
stormwater.
However,
the
efficiency
of
filters
in
retaining
microplastics
(MPs)
-
an
emerging
stormwater
pollutant
has
not
been
sufficiently
studied.
This
study
investigated
removal
transport
a
mixture
MPs
commonly
associated
with
Different
MP
types
(polyamide,
polyethylene,
polypropylene,
polystyrene)
were
mixed
into
initial
2
cm
material
horizontal
25,
50,
100
lengths.
The
consisted
spherical
fragmented
shapes
size
ranges
25-900
μm.
subjected
water
flow
5
mL/min
for
one
week,
total
effluents
analyzed
by
μFTIR
imaging.
To
gain
deeper
insight,
replica
was
split
10
segments,
each
segment
extracted
counted.
results
showed
that
retained
effectively,
>97%,
all
filters.
detected
regardless
length.
Effluent
concentrations
5-750
MP/L
35-355
measured
effluents,
respectively,
>91%
counts
consisting
small-sized
(25
μm)
polyamide
particles.
Combining
data,
decrease
average
concentration
noticed
longer
filters,
likely
attributed
channeling
25
50-cm
filter.
analyses
media
revealed
most
0-10
but
some
transported
further,
19%
80-90
segment.
Overall,
this
shows
promising
retain
MPs,
while
highlighting
importance
systematic
packing
reduce
emissions
environment
from
polluted
