Journal of Chromatography A,
Год журнала:
2024,
Номер
1730, С. 465153 - 465153
Опубликована: Июль 9, 2024
The
presence
of
microplastics
(MPs)
in
water
intended
for
human
consumption
represents
a
growing
concern
due
to
their
ubiquity
the
aquatic
environments
and
potential
adverse
effects
on
health.
In
this
context,
validated
standardized
analytical
methods
are
required
minimize
uncertainties
associated
with
determination
MPs
water,
especially
during
drinking
treatment
process.
study,
simple
sampling
extraction
procedure
analysis
using
pyrolysis
gas
chromatography
coupled
mass
spectrometry
(Py-GC-MS)
was
developed
determine
7
types
polymers
water.
Quality
parameters
method
were
evaluated,
including
limits
detection
(MDL)
quantitation
(MQL),
linearity,
precision,
accuracy,
extended
uncertainty.
methodology
by
participating
EUROQCHARM
interlaboratory
exercise,
Z-scores
within
acceptable
range
4
5
tested.
Finally,
determined
river
reclaimed
from
urban
area
Barcelona
total
concentrations
ranged
11.3
µg/L
77.1
µg/L.
proposed
allows
(direct
filtration
100-500
mL
13
mm
glass
fiber
filter),
quantitative
(µg/L),
rapid
(with
time
20
min
per
sample,
both
GC-MS)
drinking.
Green Analytical Chemistry,
Год журнала:
2022,
Номер
3, С. 100042 - 100042
Опубликована: Окт. 26, 2022
Microplastics
(MPs)
are
globally
distributed
in
aquatic
environments,
and
become
a
growing
threat
to
the
ecosystem.
It
is
urgently
needed
develop
effective
technologies
remove
MPs
from
water.
In
this
review,
we
summarized
progress
major
for
removal
of
MPs.
Currently,
multiple
have
been
developed
including
physical,
chemical,
biological
approaches.
Filtration
technology
has
various
efficiency,
but
relatively
high
cost
due
membrane
fouling
replacing
new
filter
membranes.
The
approach
adsorption
magnetic
separation
simple
method;
however,
additive
sorbents
may
cause
secondary
pollution.
There
similar
problem
chemical
residua
coagulation
oxidation
treatment.
contrast,
biodegradation
bioreactors
often
low
degradation
efficiency.
Then,
existing
were
comparatively
analyzed
several
aspects,
especially
practical
efficiency
environmental
impacts.
Finally,
green
strategies
plastic
abatement
proposed,
zero
pollutant
technology,
integrated
environmentally
friendly
approaches,
recycling
use
conventional
plastic,
developing
biodegradable
future.
Microplastics,
Год журнала:
2023,
Номер
2(3), С. 278 - 303
Опубликована: Сен. 4, 2023
Microplastic
pollution
has
become
a
global
environmental
concern
with
detrimental
effects
on
ecosystems
and
human
health.
Effective
removal
of
microplastics
from
water
sources
is
crucial
to
mitigate
their
impacts.
Advanced
oxidative
processes
(AOPs)
have
emerged
as
promising
strategies
for
the
degradation
elimination
microplastics.
This
review
provides
comprehensive
overview
application
AOPs
in
water.
Various
AOPs,
such
photocatalysis,
ozonation,
Fenton-like
processes,
shown
significant
potential
microplastic
degradation.
These
generate
highly
reactive
species,
hydroxyl
radicals,
which
can
break
down
into
smaller
fragments
or
even
mineralize
them
harmless
byproducts.
The
efficiency
photocatalytic
oxidation
depends
several
factors,
including
choice
photocatalysts,
reaction
conditions,
physicochemical
properties
Furthermore,
this
discusses
challenges
associated
oxidation,
need
optimization
operating
parameters
formation
harmful
Overall,
offers
avenue
water,
contributing
preservation
aquatic
safeguarding
However,
further
research
needed
address
limitations
optimize
implementation
process
effective
sustainable
remediation.
Water Research,
Год журнала:
2022,
Номер
225, С. 119185 - 119185
Опубликована: Сен. 30, 2022
Microplastics
(MPs)
are
emerging
pollutants
detected
everywhere
in
the
environment,
with
potential
to
harm
living
organisms.
The
present
study
investigated
concentration,
morphology,
and
composition
of
MPs,
between
20
μm
5
mm,
a
drinking
water
treatment
plant
(DWTP)
located
close
Barcelona
(Catalonia,
NE
Spain).
sampling
included
different
units
DWTP,
from
influent
effluent
as
well
sludge
line.
Sampling
strategy,
filtration,
allows
large
volumes
avoiding
sample
contamination,
during
8
h
order
increase
representativeness
MPs
collected.
pre-treatment
samples
consisted
advanced
oxidation
Fenton's
reagent
hydrogen
peroxide,
followed
by
density
separation
particles
zinc
chloride
solution.
Visual
identification
was
performed
an
optical
stereoscopic
microscope
final
Fourier-transform
infrared
spectroscopic
(FTIR)
confirmation.
were
found
all
DWTP
samples,
concentrations
4.23
±
1.26
MPs/L
0.075
0.019
plant,
respectively.
overall
removal
efficiency
98.3%.
most
dominant
morphology
fibers
fragments
films.
Twenty-two
polymer
types
identified
synthetic
cellulose,
polyester,
polyamide,
polypropylene,
polyethylene,
polyurethane,
polyacrylonitrile
common.
Although
could
be
incorporated
distribution
network,
intake
this
not
important
route
compared
fish
seafood
ingestion.
