Environmental Science & Technology,
Год журнала:
2023,
Номер
57(10), С. 4143 - 4152
Опубликована: Март 2, 2023
To
assess
the
contamination
and
potential
risk
of
snow
melt
with
polar
compounds,
road
background
was
sampled
during
a
melting
event
at
23
sites
city
Leipzig
screened
for
489
chemicals
using
liquid
chromatography
high-resolution
mass
spectrometry
target
screening.
Additionally,
six
24
h
composite
samples
were
taken
from
influent
effluent
wastewater
treatment
plant
(WWTP)
event.
207
compounds
least
detected
once
(concentrations
between
0.80
ng/L
75
μg/L).
Consistent
patterns
traffic-related
dominated
chemical
profile
(58
in
concentrations
1.3
to
μg/L)
among
them
2-benzothiazole
sulfonic
acid
1-cyclohexyl-3-phenylurea
tire
wear
denatonium
used
as
bittern
vehicle
fluids.
Besides,
analysis
unveiled
presence
rubber
additive
6-PPD
its
transformation
product
N-(1.3-dimethylbutyl)-N′-phenyl-p-phenylenediamine
quinone
(6-PPDQ)
known
cause
acute
toxicity
sensitive
fish
species.
The
also
149
other
such
food
additives,
pharmaceuticals,
pesticides.
Several
biocides
identified
major
contributors,
more
site-specific
occurrence,
toxic
risks
algae
(five
samples)
invertebrates
(six
samples).
Ametryn,
flumioxazin,
1,2-cyclohexane
dicarboxylic
diisononyl
ester
are
main
contributing
algae,
while
etofenprox
bendiocarb
found
contributors
crustacean
risk.
Correlations
WWTP
flow
rate
allowed
us
discriminate
urban
runoff
sources
dominant
sources.
Removal
rates
showed
that
some
largely
eliminated
(removal
higher
than
80%)
6-PPDQ,
others
persisted
WWTP.
Environmental Science & Technology,
Год журнала:
2022,
Номер
56(17), С. 11910 - 11921
Опубликована: Авг. 18, 2022
A
comprehensive
understanding
of
tire
and
road
wear
particles
(TRWPs)
their
detection
quantification
in
soils
is
still
challenged
by
the
lack
well-set
standardized
methods,
inherent
technological
inconsistencies,
generalized
protocols.
Our
protocol
includes
soil
sampling,
size
separation,
organic
matter
removal
using
hydrogen
peroxide
followed
density
separation
analysis.
In
this
context,
roadside
samples
from
different
sites
Kansas
Ohio,
USA,
were
collected
analyzed.
Tire
cryogrinds
analogous
to
TRWPs
used
evaluate
various
media,
more
than
1
mm
then
subjected
infrared
spectroscopy
(IR),
thermogravimetric
analysis
(TGA),
scanning
electron
microscopy
coupled
with
energy
dispersive
X-ray
(SEM-EDX)
confirm
TRWP
presence.
Particles
smaller
Soxhlet
extracted,
gas
chromatography–mass
spectrometry
(GC–MS)
validate
presence
tire-related
intermediates.
SEM-EDX
validated
elemental
combinations
(S
+
Zn/Na)
±
(Al,
Ca,
Mg,
K,
Si)
attributed
tires.
Ketones,
carboxylic
acids,
epoxies,
cyclohexane,
benzothiazole
sulfenamide
(BTS)
intermediates
most
probable
observed
samples.
Thus,
simple,
widely
applicable,
cost-effective
sample
preparation
for
can
assist
research
advancement
terrestrial
environments.
TrAC Trends in Analytical Chemistry,
Год журнала:
2023,
Номер
165, С. 117121 - 117121
Опубликована: Июнь 10, 2023
As
one
of
the
largest
sources
microplastic
particle
emissions,
tire-road
wear
mixtures
(TRWPs)
pose
a
potentially
high
threat
to
various
environmental
compartments.
Their
heterogenous
properties,
from
varying
size,
density,
shape,
texture,
elemental
and
chemical
composition,
cause
challenging
analytical
workflows.
Current
methods
for
TRWP
can
be
summarized
in
two
main
groups:
single-particle-based
bulk-based
methods.
Both
groups
include
large
variation
methods,
with
different
demands
sampling
sample
pre-treatment,
possible
outputs.
This
review
provides
an
overview
current
used
studies
particularly
quantifications,
focus
on
that
have
been
peer-reviewed
tested
samples.
The
presents
possibilities
limitations
approaches,
as
well
highlighting
gaps
knowledge
information
needed
move
this
research
field
forward.
Polymers,
Год журнала:
2022,
Номер
14(5), С. 1005 - 1005
Опубликована: Март 2, 2022
Tire
treads
are
abraded
by
friction
with
the
road
surface,
producing
tire
tread
wear
particles
(TWPs).
TWPs
combined
other
on
such
as
(RWPs)
and
mineral
(MPs),
forming
tire-road
(TRWPs).
Dust
an
asphalt
pavement
is
composed
of
various
components
TRWPs,
(APWPs),
MPs,
plant-related
(PRPs),
so
on.
TRWPs
have
been
considered
one
major
contaminants
produced
driving
their
properties
important
for
study
real
abrasion
behaviors
during
well
environmental
contamination.
Densities
totally
dependent
amount
deposited
in
TWPs.
In
this
study,
a
classification
method
dust
was
developed
using
density
separation
classified
were
characterized
image
analysis
pyrolytic
technique.
Chloroform
used
to
remove
APWPs
from
mixture
APWPs.
found
range
1.20-1.70
g/cm3.
By
decreasing
particle
size
dust,
TRWP
content
increased
its
slightly
tended
increase.
Aspect
ratios
varied
there
many
low
aspect
ratio
below
2.0.
The
1.2-5.2.
Rubber
compositions
be
mainly
NR/SBR
biblend
or
NR/BR/SBR
triblend.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(10), С. 4143 - 4152
Опубликована: Март 2, 2023
To
assess
the
contamination
and
potential
risk
of
snow
melt
with
polar
compounds,
road
background
was
sampled
during
a
melting
event
at
23
sites
city
Leipzig
screened
for
489
chemicals
using
liquid
chromatography
high-resolution
mass
spectrometry
target
screening.
Additionally,
six
24
h
composite
samples
were
taken
from
influent
effluent
wastewater
treatment
plant
(WWTP)
event.
207
compounds
least
detected
once
(concentrations
between
0.80
ng/L
75
μg/L).
Consistent
patterns
traffic-related
dominated
chemical
profile
(58
in
concentrations
1.3
to
μg/L)
among
them
2-benzothiazole
sulfonic
acid
1-cyclohexyl-3-phenylurea
tire
wear
denatonium
used
as
bittern
vehicle
fluids.
Besides,
analysis
unveiled
presence
rubber
additive
6-PPD
its
transformation
product
N-(1.3-dimethylbutyl)-N′-phenyl-p-phenylenediamine
quinone
(6-PPDQ)
known
cause
acute
toxicity
sensitive
fish
species.
The
also
149
other
such
food
additives,
pharmaceuticals,
pesticides.
Several
biocides
identified
major
contributors,
more
site-specific
occurrence,
toxic
risks
algae
(five
samples)
invertebrates
(six
samples).
Ametryn,
flumioxazin,
1,2-cyclohexane
dicarboxylic
diisononyl
ester
are
main
contributing
algae,
while
etofenprox
bendiocarb
found
contributors
crustacean
risk.
Correlations
WWTP
flow
rate
allowed
us
discriminate
urban
runoff
sources
dominant
sources.
Removal
rates
showed
that
some
largely
eliminated
(removal
higher
than
80%)
6-PPDQ,
others
persisted
WWTP.