Microplastic production, distribution, and removal from the environment: a review
Russian Chemical Reviews,
Год журнала:
2025,
Номер
94(3), С. RCR5155 - RCR5155
Опубликована: Март 1, 2025
The
presence
of
microplastics
(MPs)
in
the
environment
is
a
highly
relevant
and
aggravating
environmental
problem,
which
concern
not
only
for
specialists
various
fields
but
also
everyone
who
cares
about
future
Earth.
ever-increasing
production
polymers
expanding
use
plastic
products
enlarged
MP
concentrations
Earth's
ecosystem.
need
to
control
accumulation
spread
MPs
caused
by
current
crisis
where
no
microplastic-free
areas
have
remained
on
number
studies
dealing
with
existing
potential
threat
living
organisms
from
consumption
increasing
every
year.
aim
this
review
systematize
available
information
occurrence
briefly
describe
main
types
polymer
materials
acting
as
sources
mechanisms
formation
transport
environment.
hazardous
behaviour
analyzed
considering
their
impact
physiology
aquatic
soil
organisms.
Special
emphasis
demonstrating
adverse
effect
emissions
3D
printing
materials.
An
overview
methods
capture
given
facilitate
analysis
development
more
reliable
removal
disposal.
As
result
review,
we
assess
long-term
human
health
consequences
exposure.
Understanding
formation,
lifecycle
environment,
ways
interaction
will
controlling
design
implementation
effective
techniques
remediation
prevent
ecological
consequences.
<br>The
bibliography
includes
244
references.
Язык: Английский
Occurrence and characterization of microplastics in bottled drinking water
Discover Environment,
Год журнала:
2024,
Номер
2(1)
Опубликована: Сен. 3, 2024
Microplastics
(MPs)
have
been
identified
in
diverse
settings,
including
drinking
water,
freshwater,
food,
air,
and
marine
environments.
This
study
employed
stereomicroscopic
µ-Raman
techniques
to
analyze
water
samples
from
ten
widely
consumed
bottled
brands,
aiming
detect
characterize
MPs.
Additionally,
the
oral
consumption
of
MPs
per
capita
was
estimated.
The
average
abundance
ranged
9
±
1.00
MPs/L
3
1.73
across
all
brands.
Various
shapes
were
observed,
fibers,
fragments,
films,
pellets,
with
fibers
being
predominant
(58.928%).
categorized
by
color
into
five
groups
(red,
blue,
black,
yellow,
transparent),
red
comprising
approximately
35.714%
total
count.
All
less
than
500
µm
size.
analysis
validated
presence
eight
different
polymer
types
samples,
namely
Polypropylene
(PP)
(37.5%),
Polymethyl
methacrylate
(PMMA)
(3.571%),
polystyrene
(PS)
(33.928%),
polycarbonate
(PC)
polybutylene1
(PB1)
(14.2%),
Isotactic
polypropylene
(iPP)
(7.142),
Nylone
6-α
polymorph
(αNY6)
(5.357%),
polyvinyl
alcohol
(PVOH)
(1.785%).
estimated
daily
intake
person
determined
be
0.42
MPs,
translating
an
annual
153.3
person.
origin
likely
attributed
both
raw
sources
packaging
materials,
underscoring
need
for
further
investigation.
Given
potential
health
implications
human
exposure
careful
consideration
should
given
use
plastic
potable
water.
Язык: Английский
Determination of Seasonal Microplastic pollutıon Variation in Aquatic Environments: Case Study from İskenderun Technical University Pond
Bulletin of Environmental Contamination and Toxicology,
Год журнала:
2024,
Номер
114(1)
Опубликована: Дек. 4, 2024
Язык: Английский
Effect of Promising Sustainable Nano-Reinforcements on Polysulfone/Polyvinylpyrrolidone-Based Membranes: Enhancing Mechanical Properties and Water Filtration Performance
Polymers,
Год журнала:
2024,
Номер
16(24), С. 3531 - 3531
Опубликована: Дек. 18, 2024
In
this
study,
polysulfone/polyvinylpyrrolidone
(PSf/PVP,
20
wt%/5
wt%)-based
ultrafiltration
(UF)
membranes
reinforced
with
different
ratios
(0.5
and
1
wt%)
of
cellulose
nanocrystals
(CNCs)
nanofibres
(CNFs)
were
prepared
by
the
phase
inversion
method.
The
effect
CNC,
CNF,
CNC-CNF
reinforcement
on
morphology,
roughness,
crystallinity,
porosity,
average
pore
size,
mechanical
properties,
filtration
performance
PSf/PVP-based
membrane
was
investigated.
Distilled
water
surface
(lake
water)
fluxes
determined
at
3
bar
using
a
dead-end
system.
distilled
flux
fouled–hydraulic
cleaned
determined,
scanning
electron
microscopy
(SEM)
images
fouled–cleaned
examined.
recovery
ratio
(FRR)
fouling
parameters
calculated
to
examine
behaviour
membranes.
properties
modelled
Mori–Tanaka,
finite
element,
Voigt–Reuss,
self-consistent
scheme,
Halpin–Tsai
methods
Digimat
and/or
analytically.
addition,
von
Mises
equivalent
stress
distributions
nanocomposites
presented.
Among
investigated
membranes,
PSf/PVP/CNC-0.5
had
highest
(475.5
±
17.77
L/m2.h),
PSf/PVP/CNF-1
exhibited
stiffest
an
elasticity
modulus
70.63
3.15
MPa,
PSf/PVP/CNC-1
best
organic
matter
removal
efficiency.
element
most
successful
modelling
method
for
estimating
nanocellulose-reinforced
flat
sheet
Язык: Английский