Microplastics
issue
have
raised
public
concern.
However,
people
are
not
very
aware
of
the
threat
in
their
living
space,
urban
environment.
Road
dust
is
one
main
sources
environmental
microplastics,
and
thus
an
ideal
window
to
reveal
occurrence
pattern.
The
differences
function
zones,
infrastructure,
natural
condition
may
pose
complex
effects
driving
characteristics
microplastics
road
simultaneously,
but
rare
reports
studied
these
features
at
a
city
scale.
In
this
study,
we
used
Nanjing,
super-large
eastern
China,
as
research
area,
conducted
two-seasons
investigation
explore
spatiotemporal
pattern
dust.
abundance
Nanjing
reached
143.3
±
40.8
n/m2,
fragments
tire
wear
particles
whose
size
<
100
µm
dominated
morphology.
temporal
variation
was
smooth,
whereas
spatial
distribution
showed
significant
among
different
types
functional
zones.
commercial
zones
heavy
industrial
suffered
heaviest
pollution
dust,
following
residential
educational
&
cultural
29
polymer
were
identified,
polystyrene
(PS),
polyamide
(PA),
polyvinylidene
difluoride
(PVDF),
cellophane
predominate.
light
zone
unexpectedly
exhibited
slight
contamination
still
contained
components
type.
Generalized
linear
model,
redundancy
analysis,
partitioning
jointly
assessed
effect
multiple
factors,
found
that
zoning,
7-day
accumulated
precipitation,
monthly
PM2.5
mainly
drove
Our
study
reveals
large
scale,
provides
insight
into
how
responds
factors.
ACS Agricultural Science & Technology,
Год журнала:
2024,
Номер
4(5), С. 614 - 625
Опубликована: Апрель 9, 2024
This
study
examines
microplastics
(MPs)
for
the
first
time
in
soil
of
Diamond
City,
Surat
(Gujarat,
India)
terms
their
abundance,
distribution,
chemical
composition,
and
ecological
risk
assessment.
A
stereomicroscope
Fourier
transform
infrared
spectroscopy
were
used
to
measure
physical
properties
MPs.
The
outcome
showed
omnipresence
MPs
city's
soil,
with
an
average
abundance
103.2
±
57.28
particles
100
g–1.
Over
90%
all
made
polyethylene
(70.19%),
polypropylene
(17.53%),
poly(ethylene
terephthalate)
(6.92%)
polymers.
white/transparent-colored
having
a
size
about
2–5
mm
are
predominantly
available.
principal
component
analysis
(PCA)
results
indicate
that
discovered
samples
mostly
represented
by
fragments
fibers,
which
account
52.90%
total
variance
data
set.
Additionally,
current
research,
assessment
pollution
load
index
(PLI),
polymer
hazard
(PHI),
(ERI)
studied.
PLI
values
greater
than
1
observed,
indicating
sampling
sites
polluted
Based
on
type
polymer,
toxicity
found
sample,
evaluation
concluded
there
is
moderate
medium
associated
polluting
city
soil.
greatest
PHI
value
this
239.69
(risk
category:
medium),
while
lowest
8.69
low).
greenness
profile
method
was
assessed
using
software-based
analytical
metric
(AGREE)
tool.
developed
approach
partially
green,
as
shown
AGREE
score
0.53.
present
investigations
emphasize
critical
importance
taking
action
metropolitan
areas
such
mitigate
MP
improve
waste
management
practices
greener
cleaner
ecosystem
future.
These
findings
will
inspire
creation
ecofriendly
alternatives
crucial
reducing
plastic
consumption,
safeguarding
ecosystems,
mitigating
MPs'
impact
quality.
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.
Ingeniería del agua,
Год журнала:
2025,
Номер
29(1), С. 44 - 56
Опубликована: Янв. 30, 2025
El
presente
trabajo
analiza
la
acumulación
de
microplásticos
(MPs)
en
Sistemas
Urbanos
Drenaje
Sostenible
(SUDS)
maduros
Xàtiva,
Valencia,
con
el
objetivo
evaluar
su
capacidad
retención
suelo
y
relación
plásticos
mayor
tamaño
(MAPs).
Se
realizaron
muestreos
tres
secciones
dos
cunetas
vegetadas,
donde
se
identificaron
un
total
3500
MPs
1200
MAPs,
evidenciando
una
concentración
media
150
por
kg
suelo.
observaron
variaciones
entre
los
puntos
muestreo,
indicando
rango
120
a
185
kg.
Esta
variabilidad
relaciona
presencia
sugiriendo
que
SUDS
son
efectivos
diferentes
tamaños.
Las
conclusiones
indican
subrayando
relevancia
esta
para
gestión
contaminación
plástica
entornos
urbanos.
Civil and Sustainable Urban Engineering,
Год журнала:
2025,
Номер
5(1), С. 1 - 14
Опубликована: Фев. 4, 2025
This
study
explores
the
improvement
of
performance
pervious
concrete
(PC)
for
enhancing
urban
runoff
quality
by
incorporating
fine-grained
iron
slag
in
varying
proportions,
from
0%
to
15%
coarse
aggregate
weight.
The
research
addresses
pressing
challenges
stormwater
management
areas,
where
impervious
surfaces
contribute
significantly
increased
and
water
pollution.
To
tackle
these
issues,
aims
optimize
PC
composition.
Mechanical
physical
properties,
including
compressive
strength,
hydraulic
conductivity,
void
content,
were
assessed.
top-performing
mixes
further
evaluated
their
ability
improve
using
a
rainfall
simulator
slabs
measuring
650×450×100
mm.
Initial
findings
showed
positive
relationship
between
higher
content
with
gains
up
13%.
However,
this
came
reduced
porosity
permeability
as
increased.
Notably,
sample
demonstrated
high
pollutant
removal
efficiencies:
42.7%
chemical
oxygen
demand
(COD),
43.68%
total
suspended
solids
(TSS),
33.95%
turbidity,
due
dual
effects
pore
filling
contaminant
adsorption
slag.
No
significant
changes
observed
NaCl
electrical
conductivity
(EC)
levels.
highlights
potential
optimizing
enhance
its
role
management,
presenting
promising
approach
improving
settings.
Journal of Facilities Management,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
Purpose
The
stormwater
industry
grapples
with
numerous
environmental
challenges
resulting
from
producing
and
using
storm
materials.
Green
building
materials
(GBMs)
offer
a
more
ecologically
friendly
alternative
to
conventional
construction
However,
establishing
criteria
for
selecting
GBMs
assessing
their
sustainability
has
proven
be
complex
endeavor.
Therefore,
this
paper
aims
assess
the
suitability
of
in
management
projects.
Design/methodology/approach
This
study
investigates
identifies
green
drainage
based
on
previous
literature
an
extensive
survey
involving
140
stakeholders
Egyptian
industry,
including
facilities
managers,
asset
engineers
policymakers.
A
comprehensive
model
employing
partial
least
squares
structural
equation
modeling
artificial
neural
network
is
developed
Findings
study’s
findings
emphasize
pivotal
role
social
factors
practical
implementation
material
selection
criteria.
Understanding
intricate
interplay
among
economic,
dimensions
becomes
crucial
as
navigate
transition
toward
sustainable
Originality/value
research
highlights
importance
integrating
into
decision-making,
contributing
holistic
effective
strategies
management.
originality
lies
its
innovative
approach
projects
novel
insights
dynamics
selection,
addressing
significant
gap
field.
