Archives of Environmental Protection,
Journal Year:
2024,
Volume and Issue:
unknown, P. 135 - 146
Published: Dec. 16, 2024
The
aim
of
the
study
was
to
determine
effect
type
road
surface
(asphalt
and
concrete)
presence
noise
barriers
(acoustic
screens)
on
magnetic
susceptibility
chemical
composition
dust
collected
from
national
roads
motorways
in
central
southern
Poland.
Four
with
asphalt
surfaces
four
concrete
were
selected
for
study.
Samples
taken
at
three
control
points:
space
between
barriers,
without
exits.
Magnetic
measurements
elemental
analysis
(using
an
energy
dispersive
X-ray
fluorescence
spectrometer)
carried
out.
results
showed
high
variability
no
clear
differences
samples
roads.
values
higher
pavements
near
motorway
exits,
while
open
about
1.3
times
pavements.
A
similar
relationship
observed
composition.
location
sampling
point
had
a
greater
influence
results:
spaces
or
Calculated
enrichment
factors
indicated
extremely
elements
such
as
Cr,
Cu
Zn,
very
Pb
only
significant
moderate
other
elements.
Journal of Geophysical Research Atmospheres,
Journal Year:
2024,
Volume and Issue:
129(13)
Published: July 2, 2024
Abstract
The
benefit
of
real‐world
applicable
indicators
in
resolving
robust
traffic‐related
source
contributions
was
investigated
using
tunnel
measurement.
PM
2.5
/CO
introduced
as
a
metric
to
present
evidence
non‐exhaust
identification
indirectly
terms
accumulation
and
dilution
scenarios,
the
rates
(hourly
variation
difference
between
/CO)
were
0.59−1.88
−0.79
−0.65,
corresponding
peak
off‐peak
hours,
respectively.
Real‐world
PAHs
examined,
among
which
exhaust
showed
stable
applicability
from
BghiP,
indication
noted
by
BkF
DahA
hours
largely
weakened
showing
noticeable
profile
mixing
exhaust,
brake
tyre
wear.
Source
resolved
principal
component
analysis
(PCA)
with
support
linear
discriminant
(LDA)
on
inter‐group
centroid
diagnosis.
rate
vehicular
(brake
wear)
contribution
lifted
10.3
times
compared
its
emission
factor
noticeably
enhanced
16
times,
0.03
mg/(km·veh)
0.48
mg/(km·veh).
Guided
global
vehicle
electrification,
emissions
estimated
increase
larger
ratio
growing
market
share
electric
vehicles,
under
each
mode
regenerative
braking.
monetary
impact
caused
vehicles
calculated
reaching
when
50%
busy
commuting
megacities.
results
provide
for
accurate
apportionment
data
refined
control
rapid
electrification.
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(40), P. 53521 - 53531
Published: Aug. 27, 2024
Non-exhaust
emissions
have
become
an
increasingly
important
issue
as
their
levels
continue
to
rise
and
the
health
effects
of
particulate
matter
(PM)
are
more
widely
discussed.
To
address
this
issue,
a
vehicle
demonstrator
with
integrated
emission
reduction
tires
brakes
was
developed
part
Zero
Emission
Drive
Unit
Generation-1
(ZEDU-1)
project.
This
novel
concept
includes
removal
tire
road
wear
particles
(TRWP)
strong
ventilation/filtering
system
enclosed
multi-disk
brake,
making
it
suitable
tool
for
investigation
non-exhaust
emissions.
Particle
number
(PN)
particle
size
distribution
(PSD)
measurements
down
2.5
nm
were
performed
on
chassis
dynamometer
test
track.
Due
low
background
concentrations
dynamometer,
is
possible
distinguish
between
brake
characterize
even
small
It
could
be
shown
that
about
30
%
less
emitted
by
vehicle,
when
using
instead
conventional
brake.
The
highest
TRWP
collected
during
acceleration
harsh
braking.
Characterization
scanning
electron
microscopy
(SEM)
energy-dispersive
X-ray
spectroscopy
(EDS)
revealed
diverse
shapes
differences
generated
Silniki Spalinowe/Combustion Engines,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 7, 2024
Gaseous
and
solid
pollutants
(dusts)
of
atmospheric
air
have
been
defined.
Dusts
divided
according
to
various
criteria
their
properties
given.
The
sources
characteristics
anthropogenic
natural
presented.
It
has
shown
that
the
main
pollutants,
apart
from
industry,
are
motorization,
internal
combustion
engines
cars
a
source
gaseous
particles,
emission
which
significantly
reduced.
originality
article
consists
in
conducting
an
extensive
literature
analysis
proving
"non-engine"
form
dust
wear
friction
linings
brakes,
clutches
tires
roads,
as
well
mineral
raised
ground,
is
currently
greater
threat
human
health
environment
than
engine
emissions.
impact
particulate
matter
emissions
road
transport
dust,
basic
component
on
health,
vegetation
operation
vehicle
systems
E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
589, P. 01002 - 01002
Published: Jan. 1, 2024
This
research
studied
the
morphological
and
elemental
composition
of
roadside
dust
at
an
academic
institution
in
Perlis
using
Dust
Fall
Jar
method.
Samples
were
collected
from
three
spots,
two
beside
main
road
near
one
control
environment
area,
within
a
radius
1000
meters
as
spot.
for
five
consecutive
days
then
analyzed
SEM-EDX.
The
SEM-EDX
analysis
revealed
that
particles
exhibited
varied
shapes
uneven
surfaces.
Plant
debris
tire
wear
have
been
identified
sources
fibrous,
elongated,
rounded
micrometer-sized
particles.
Minerals,
heavy
metals,
carbon-containing
also
found.
investigation
notable
elements
institution,
irregularly
shaped
particle
which
might
be
composed
minerals,
soil,
or
even
materials,
commonly
found
environments.
other
element
is
aluminum
oxide
by
characteristic
morphology
observed
image
are
cylindrical
structures
matrix
could
various
such
carbon-based
materials
inorganic
compounds.
study
highlights
necessity
implementing
efficient
environmental
management
solutions.
Archives of Environmental Protection,
Journal Year:
2024,
Volume and Issue:
unknown, P. 135 - 146
Published: Dec. 16, 2024
The
aim
of
the
study
was
to
determine
effect
type
road
surface
(asphalt
and
concrete)
presence
noise
barriers
(acoustic
screens)
on
magnetic
susceptibility
chemical
composition
dust
collected
from
national
roads
motorways
in
central
southern
Poland.
Four
with
asphalt
surfaces
four
concrete
were
selected
for
study.
Samples
taken
at
three
control
points:
space
between
barriers,
without
exits.
Magnetic
measurements
elemental
analysis
(using
an
energy
dispersive
X-ray
fluorescence
spectrometer)
carried
out.
results
showed
high
variability
no
clear
differences
samples
roads.
values
higher
pavements
near
motorway
exits,
while
open
about
1.3
times
pavements.
A
similar
relationship
observed
composition.
location
sampling
point
had
a
greater
influence
results:
spaces
or
Calculated
enrichment
factors
indicated
extremely
elements
such
as
Cr,
Cu
Zn,
very
Pb
only
significant
moderate
other
elements.
