Environmental Advances,
Год журнала:
2023,
Номер
13, С. 100437 - 100437
Опубликована: Окт. 1, 2023
The
soil
microplastics
pollution
problem
is
becoming
more
and
urgent
every
year.
PVC
a
widely
used
material,
consequently
it
possible
that
are
significant
contributor
to
pollution,
especially
in
industrial
soils.
At
the
same
time,
usually
contains
many
different
chemical
additives
have
ability
migrate
surface
during
aging.
This
review
devoted
summarizing
results
of
studies
on
prevalence,
ecotoxicological
effects,
features
analytical
process
for
detection
microplastics.
There
evidence
adversely
affect
ecosystem
by
leaching
harmful
substances
with
aging,
affecting
some
animals,
plants,
microbial
communities,
enzymatic
activity
biogeochemical
cycles.
However,
there
insufficient
data
this
issue
further
research
needed.
approaches
analytics
steps
containing
microplastics,
its
as
well
complexity
matrix,
must
be
taken
into
account
when
selecting
protocol.
It
necessary
strive
standardization
protocol
comparable
data.
Environmental Technology & Innovation,
Год журнала:
2023,
Номер
32, С. 103405 - 103405
Опубликована: Окт. 12, 2023
The
extensive
use
of
plastic
products
by
people
has
led
to
the
prevalence
microplastics
(MPs)
in
aquatic
and
terrestrial
ecosystems.
MPs
will
be
able
undergo
multiple
aging
processes
release
dissolved
organic
matter
(DOM)
environment,
thereby
further
affecting
ecosystem.
Therefore,
this
thesis
systematically
investigated
photo-aging
properties
polyvinyl
chloride
(PVC),
characterized
changes
physicochemical
properties;
addition,
DOM
composition
fluorescence
characteristics
leachate
were
using
TOC
3D-EEMs.
Our
results
showed
that
O/C
ratio
can
quantitatively
characterize
surface
MPs.
Furthermore,
We
chose
Malachite
green
(MG)
Sulfamethoxazole
(SMX),
which
are
abundantly
present
aqueous
as
target
pollutants,
through
adsorption
experiments
we
established
regression
equations
equilibrium
capacity
with
or
CI
mean
particle
size.
Exploring
relationship
between
help
predict
degree
accumulation
hydrophilic
contaminants
natural
environment.
Environmental Pollution,
Год журнала:
2024,
Номер
348, С. 123792 - 123792
Опубликована: Март 20, 2024
The
production
and
consumption
of
disposable
face
masks
(DFMs)
increased
intensely
during
the
COVID-19
pandemic,
leading
to
a
high
amount
them
being
found
in
terrestrial
aquatic
environment.
main
goal
this
research
study
is
conduct
comparative
evaluation
water-leachability
microplastics
(MPs)
chemical
additives
from
various
types
surgical/medical
(MM
DFMs)
filtering
pieces
(FFPs).
Fourier-Transform
Infrared
Spectroscopy
was
used
for
MPs
analysis.
Liquid
Chromatography/High
Resolution
Mass
Spectrometry
analyse
analytes
presented
water-leachates
DFMs.
FFPs
released
3-4
times
more
microplastic
particles
compared
MM
release
into
water
all
tested
DFMs
without
mechanical
stress
suggests
potential
MP
contamination
originating
DFM
process.
Our
first
time
identified
bisphenol
B
(0.25-0.42
μg/L)
1,4-bis(2-ethylhexyl)
sulfosuccinate
(163.9-115.0
as
leachables
vary
size,
with
predominant
<100
μm,
order
MMIIR
>
MMII
FFP3>FFP2>MMI.
type
leachates
investigated
polypropylene,
accounting
93-97%
82-83%
FFPs.
Other
polymers
such
polyethylene,
polycarbonate,
polyester/polyethylene
terephthalate,
polyamide/Nylon,
polyvinylchloride,
ethylene-propylene
copolymer
were
also
identified,
but
smaller
amounts.
wider
variety
higher
percentage
(17-18%)
other
(3-7%).
Fragments
fibres
water-leachate
samples,
fragments,
particularly
debris
polypropylene
fibres,
most
common
morphotype.
findings
are
important
contributing
additional
data
develop
science-based
policy
recommendations
on
health
environmental
impacts
associated
originated
Integrated Environmental Assessment and Management,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 6, 2025
Abstract
Over
the
past
two
decades,
research
into
accumulation
of
small
plastic
particles
and
fibers
in
organisms
environmental
settings
has
yielded
over
7,000
studies,
highlighting
widespread
presence
microplastics
ecosystems,
wildlife,
human
bodies.
In
recent
years,
these
contaminants
have
posed
a
significant
threat
to
human,
animal,
health,
with
most
efforts
concentrated
on
removing
them
from
aquatic
systems.
Given
this
urgency,
purpose
study
was
investigate
potential
rhamnolipid,
biosurfactant,
for
removal
water.
Specifically,
evaluates
effects
water
matrix,
initial
pH
solution
(7.0,
7.5,
8.0,
8.5,
9.0,
9.5,
10.0),
concentrations
alum
(5,
10,
20,
30,
40,
50
mg/L),
rhamnolipid
(1,
5,
80,
100
mg/L).
Optimum
achieved
at
5.0
mg/L
1.0
mg/L,
respectively,
8.0.
both
types
tested,
efficiency
about
74%
determined,
indicating
as
nature-based
control
microplastic
pollution
surface
waters.
