Microplastics,
Год журнала:
2024,
Номер
3(3), С. 477 - 491
Опубликована: Авг. 14, 2024
Plastic
pollution
has
become
a
growing
concern
for
environmental
and
human
health
in
recent
years.
Currently,
research
suggests
that
soil
compartments
might
be
highly
contaminated,
with
compost
being
one
of
the
major
sources
plastic
contamination,
especially
at
reduced
sizes.
In
Geneva,
microplastic
contamination
already
been
evaluated
industrial
but
not
yet
field-side
compost.
Therefore,
this
work
focuses
on
evaluation
concentrations
characterization
particles
(MPs)
Geneva.
Four
different
composts
were
sampled
Geneva
sieved
sizes
ranging
from
>5
mm
to
0.5
mm.
The
MPs
visually
sorted
when
possible,
smaller
ones
treated
by
digestion
density
separation
processes.
All
analyzed
infrared
spectroscopy.
results
(sizes
>
5
1.25
mm)
reveal
between
195
±
64
1315
375
particles/kg
presence
conventional
plastics
every
present
almost
size
fraction
four
composts,
origin
waste
seemed
influence
their
concentrations.
Indeed,
free
organic
household
had
lower
than
accepting
kind
waste.
Littering
still
wrapped
also
noticed
higher
MPs.
highlight
variety
types
among
mostly
represented
PE
(polyethylene),
PVA
(polyvinyl
alcohol),
PP
(polypropylene),
DAIP
(polydiallyl
iso-phthalate)
general
specific
PEMA
(poly
ethyl
methacrylate)
only
composts.
Further
is
needed
evaluate
distribution
according
or
used
composting,
potential
degrading
conditions
plastics,
mitigate
Soil Use and Management,
Год журнала:
2025,
Номер
41(1)
Опубликована: Янв. 1, 2025
Abstract
Microplastic
(MP)
pollution
is
widespread
and
has
become
a
significant
global
environmental
concern.
This
study
represents
the
first
attempt
to
investigate
abundance
of
MPs
in
open
dumping
scrapyard
sites
Türkiye.
Microplastics
were
identified
soils
surrounding
these
areas,
spanning
eight
provinces.
The
samples
analysed
for
MP
distribution
characteristics,
including
abundance,
shape,
size,
colour
type.
extracted
using
density
separation
with
saturated
K
2
CO
3
,
followed
by
treatment
30%
H
O
.
Chemical
identification
was
conducted
ATR‐FTIR
μ‐FTIR.
Various
types
detected
soil
samples,
averages
311.6
±
113.9
particles
kg
−1
areas
463.3
83.9
areas.
In
predominantly
blue
(35.3%),
fragment‐shaped
(36.6%),
smaller
than
500
μm
(44.7%)
primarily
polyethylene
(81.5%).
Similarly,
(33.1%),
(63.4%),
(55.3%)
mostly
(70.1%).
Principal
Component
Analysis
(PCA)
indicated
that
properties,
such
as
pH,
electrical
conductivity,
organic
matter,
aggregate
stability,
bulk
density,
average
weight
diameter,
sand,
clay
silt,
significantly
influenced
size
soil.
highlights
potential
concerns
regarding
contamination
three
industrially
developed
regions
Türkiye
because
uncontrolled
plastic
waste
Horticulturae,
Год журнала:
2025,
Номер
11(3), С. 305 - 305
Опубликована: Март 11, 2025
Crop
production
in
plastic
greenhouses
is
one
of
the
major
sources
pollution
worldwide.
The
main
hypothesis
this
study
that
regular
use
mulch
film
leads
to
cumulative
accumulation
microplastic
particles
(MPs)
soil,
which
ultimately
changes
soil
properties.
Therefore,
objective
was
identify
possible
physical,
chemical,
and
biological
properties
three
regions
Serbia.
following
chemical
parameters
were
determined:
electrical
conductivity,
acidity,
cation
exchange
capacity
(CEC),
total
carbon
(TC)
nitrogen
(TN)
content,
plant-available
phosphorus
potassium
trace
element
content.
physical
particle
size
distribution,
volumetric
mass,
specific
porosity;
determined
microbial
respiration
labile
carbon.
obtained
data
processed
using
network
analysis
(NA)
complex
relationships
between
MP
content
parameters.
NA
results
support
findings
presence
microplastics
destruction
structure,
reduces
bulk
density
increases
porosity.
A
strong
positive
correlation
MPs
with
<
0.02
mm
a
negative
CEC
found.
In
Danube
Valley,
78%
higher
open
ground
compared
greenhouse.
contribute
better
understanding
influence
on
its
ecological
functions.
Frontiers in Environmental Science,
Год журнала:
2025,
Номер
13
Опубликована: Апрель 9, 2025
With
the
development
of
industry
and
popularization
automobiles,
a
large
number
tires
are
produced
globally
every
year,
tire
rubber
powder
contaminants
(TRPC)
generated
by
friction
with
ground
during
driving
automobiles.
Then
TRPC
settled
into
soil
through
atmospheric
circulation,
causing
pollution
altering
properties
arable
land.
This
paper
focused
on
impact
physical
loess,
dealing
effect
electrical
resistivity,
thermal
conductivity,
ultrasonic
velocity
loess.
Conclusion
can
be
drawn
as
follows:
(1)
resistivity
loess
increased
increase
content;
(2)
conductivity
decreased
(3)
wave
(4)
water
content,
showed
an
increasing
then
decreasing
trend
content.
analyzed
reasons
for
change
in
from
two
aspects:
inherent
water,
microstructure
changes
due
to
addition
water.
research
findings
could
provide
valuable
reference
pollutant
treatment,
agricultural
irrigation,
structure
assessment,
geological
hazard
early
warning
rise
widespread
social
attention
TRPC-contaminated
soil.
