The Science of The Total Environment,
Journal Year:
2022,
Volume and Issue:
858, P. 160113 - 160113
Published: Nov. 9, 2022
This
study
investigates
microplastic
(MPs)
dynamics
of
a
recently
established
surface
flow
2100
population
equivalent
polishing
constructed
wetland
(CW)
receiving
1.4
ML
per
day
secondary
treated
wastewater.
MPs
type,
size
ranges
and
concentrations
were
measured
along
the
CW
at
2-months
sampling
campaign.
The
received
an
average
5·106
(6
liter),
mostly
100-1000
μm-sized
synthetic
fibers
followed
by
fragments
in
same
range.
95
%
retained,
resulting
0.30
±
0.09
liter
effluent.
Most
(97
%)
trapped
within
first
20
which
consisted
settling
pond
shallow
vegetated
treatment
cells
provided
areal
removal
rate
>
4000
MP
m-2
d-1.
Data
microscopic
analysis
indicate
erosion
fragmentation
CW.
Turbidity
suspended
solids
no
indicator
for
due
to
water
fowl
activity,
algal
growth,
preferential
conditions.
is
on
independently
operating
full
scale
free
incorporated
into
municipal
wastewater
scheme.
Surface
CWs
can
retain
effectively
but
accumulation
sediments
substrate
needs
be
considered
when
further
utilized
or
recycled.
Earth-Science Reviews,
Journal Year:
2022,
Volume and Issue:
228, P. 104021 - 104021
Published: April 5, 2022
Although
the
study
of
microplastics
in
aquatic
environment
incorporates
a
diversity
research
fields,
it
is
still
its
infancy
many
aspects
while
comparable
topics
have
been
studied
other
disciplines
for
decades.
In
particular,
extensive
sedimentology
can
provide
valuable
insights
to
guide
future
research.
To
advance
our
understanding
comparability
natural
sediments
with
microplastics,
we
take
an
interdisciplinary
look
at
existing
literature
describing
particle
properties,
transport
processes,
sampling
techniques
and
ecotoxicology.
Based
on
analysis,
define
seven
goals
that
are
essential
improve
be
tackled
by
learning
from
sediment
research,
identify
relevant
tasks
achieve
each
goal.
These
address
(1)
description
microplastic
particles,
(2)
interaction
environmental
substances,
(3)
vertical
distribution
(4)
erosion
deposition
behaviour
(5)
impact
biota
transport,
(6)
methods
(7)
toxicity.
When
should
specifically
draw
knowledge
sediments,
example
using
shape
factors
or
applying
determining
principal
dimensions
non-spherical
particles.
Sediment
offers
fundamentals
transferable
could
usefully
applied.
However,
major
gaps
exist
role
modes,
influence
importance
implementation
dynamic
as
result
time-dependent
changes
properties
numerical
models.
We
give
overview
available
discuss
their
suitability
sampling,
which
used
creating
standardised
guidelines
application
microplastics.
order
comprehensively
assess
ecotoxicology
distinction
must
made
between
effects
polymers
themselves,
physical
form,
plastic-associated
chemicals
attached
pollutants.
This
review
highlights
areas
where
rely
-
need
new,
microplastic-specific
synthesize
recommendations
future,
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
252, P. 114567 - 114567
Published: Jan. 26, 2023
As
microplastic
pollution
has
become
an
emerging
environmental
issue
of
global
concern,
microplastics
in
aquaculture
have
a
research
hotspot.
For
safety,
economic
efficiency
and
food
safety
considerations,
comprehensive
understanding
is
necessary.
This
review
outlines
overview
sources
effects
aquaculture.
External
inputs
processes
are
Microplastics
may
release
harmful
additives
adsorb
pollutants
environment,
cause
deterioration
as
well
toxicological
effects,
affect
the
behavior,
growth
reproduction
products,
ultimately
reducing
benefits
entering
human
body
through
products
also
pose
potential
health
risks
at
multiple
levels.
Microplastic
removal
strategies
used
various
countries
reviewed.
Ecological
interception
purification
considered
to
be
effective
methods.
In
addition,
strengthening
management
improving
fishing
gear
packaging
currently
feasible
solutions.
proactive
measures,
new
portable
monitoring
system
remote
sensing
technology
broad
application
prospects.
And
it
was
encouraged
comprehensively
strengthen
supervision
talent
exchange
construction
laws
regulations.
