International Journal of Sustainable Engineering,
Год журнала:
2024,
Номер
17(1), С. 1 - 18
Опубликована: Июль 8, 2024
Microplastics
(MPs)
present
a
pressing
environmental
concern,
posing
formidable
challenges
to
their
effective
elimination
from
water
systems.
Bioadsorbents
offer
promising,
eco-friendly,
and
cost-effective
alternative
traditional
removal
methods.
This
review
analyzes
206
research
papers
(2016-January
2024)
explore
recent
advances
in
bioadsorbent
design
application
for
microplastic
removal.
We
examine
the
sources
ecological
impacts
of
MPs,
then
delve
into
most
studied
bioadsorbents:
biochar
(51.9%),
biomass-derived
activated
carbon
(7.4%),
synthetic
sponges/aerogels
(25.9%),
graphene-based
materials
(14.8%).
The
critically
factors
influencing
MP
adsorption
by
these
materials,
including
type
size,
adsorbent
properties,
experimental
conditions.
Reported
efficiencies
ranged
31%
100%,
with
polystyrene
(52%)
being
common
test
polymer.
Finally,
intricate
mechanisms
MP-bioadsorbent
interaction
are
discussed.
highlight
key
future
directions
optimising
scaling
up
bioadsorbent-based
removal,
acknowledging
early
stage
this
promising
sustainable
approach.
Water Emerging Contaminants & Nanoplastics,
Год журнала:
2025,
Номер
4(1)
Опубликована: Янв. 14, 2025
The
land
application
of
biowastes,
including
biosolids
and
compost,
is
a
significant
source
microplastics
(MP)
to
terrestrial
environments,
yet
global
data
on
contamination
levels
are
limited.
We
determined
the
concentrations
in
biowastes
destined
for
Aotearoa
New
Zealand.
Microplastics
were
extracted
from
biosolids,
vermicompost,
bulk
bagged
compost
via
wet
peroxide
oxidation
digestion
density
separations
using
modified
sediment-microplastics
isolation
(SMI)
unit.
polymer
type
each
suspected
microplastic
was
confirmed
by
micro-Fourier-transform
infrared
(µ-FTIR)
spectroscopy,
with
minimum
detection
size
18
µm.
Microplastic
>
0.48
MP/g
identified
every
sample,
highest
average
abundances
(2.71
MP/g)
vermicompost
(2.69
MP/g),
followed
(1.94
(1.1
MP/g).
Fragments
(62.7%)
most
frequently
detected
morphotype,
films
(24.7%),
fibers
(12.2%),
beads
(0.4%).
Common
polymers
polypropylene
(37.9%),
polyethylene
(28.6%),
polymethyl
methacrylate
(PMMA)
(11.7%).
Identifiable
morphotypes
included
polyurethane
foam
sponge
fragments,
terephthalate
glitter,
PMMA
multicolored
films.
Biodegradable
identified,
their
presence
mature
suggests
that
facilities
unable
provide
optimal
conditions
support
complete
biodegradation
polymers.
Annual
soils
biowaste
amendments
projected
be
between
1.10
×
107
2.71
MP/ha.
product
origin
could
not
highlighting
ubiquity
urgent
need
reduce
plastic
at
instances
pollution
valuable
biowastes.
Nature Environment and Pollution Technology,
Год журнала:
2025,
Номер
24(S1), С. 247 - 257
Опубликована: Янв. 16, 2025
Wastewater
treatment
plants
(WWTP)
are
significant
contributors
to
the
release
of
microplastics
into
aquatic
environments.
Due
limited
information
available
in
Thailand,
examining
from
WWTPs
could
assist
Thai
government
establishing
guidelines
for
future
microplastic
control.
This
study
identified
various
across
Bangkok,
during
two
seasons:
dry
period
(February
May
2022)
and
wet
(June
October
2022).
The
findings
revealed
a
higher
abundance
season
compared
season.
In
both
influent
effluent,
fibers
were
predominant
shape,
making
up
approximately
86.65%
94.37%
period.
Fragments,
films,
granules,
foam
also
detected
all
samples.
Polyethylene
terephthalate
(PET),
polyethylene
(PE),
polypropylene
(PP)
most
common
polymers
present
highlighted
that
removal
efficiency
ranged
16.7%
85.4%
27.6%
81.0%
These
results
underscore
importance
long-term
monitoring
quantification
different
WWTP
systems
Bangkok.
data
can
be
utilized
estimate
loading
develop
effective
strategies
wastewater.
Environmental Technology & Innovation,
Год журнала:
2023,
Номер
32, С. 103250 - 103250
Опубликована: Июнь 16, 2023
Microplastics
(MPs)
have
garnered
significant
attention
in
recent
years
due
to
their
potential
detrimental
effects
on
both
bioenvironmental
systems
and
human
health.
Numerous
studies
documented
the
presence
of
notable
concentrations
MPs
effluent
wastewater
treatment
plants
worldwide.
Consequently,
adopting
a
life-cycle
approach
is
crucial
for
sustainable
management
plastics.
This
article
presents
critical
review
focusing
sources,
sinks,
monitoring,
control,
assessment
systems.
Initially,
we
analyze
occurrence,
fate,
pathways
MPs,
comparing
different
sources
sinks
across
various
bioenvironments,
including
freshwater,
atmosphere,
terrestrial,
oceans.
Additionally,
compare
methods
pretreatment,
sampling,
analysis
MPs.
Furthermore,
illustrate
policies
aimed
at
controlling
limiting
use
plastics,
discuss
technological
advancements
risk
assessments
associated
with
Finally,
provide
several
perspectives
prospects
regarding
priority
research
directions
control
assessment.
