Turkish Journal of Fisheries and Aquatic Sciences,
Journal Year:
2021,
Volume and Issue:
22(Special Issue)
Published: Oct. 27, 2021
The
occurrence
of
micro-
(<5
mm),
meso-
(5–25
mm)
and
macroplastics
(>25mm)
was
investigated
in
seven
commercial
fish
species
the
Black
Sea.
Plastics
were
found
gastrointestinal
track
all
analysed:
Engraulis
encrasicolus,
Trachurus
mediterraneus,
Sarda
sarda,
Belone
belone,
Pomatus
saltatrix,
Merlangius
merlangus
Mullus
barbatus.
A
total
352
plastic
particles
removed
from
190
individuals
(29%
examined).
mean
number
per
0.81±1.42
par.ind-1
(considering
analysed,
n=650)
2.06±1.09
only
that
ingested
plastic,
n=190).
most
common
types
plastics
fibres
(68.5%),
followed
by
films
(19%),
fragments
(11.9%),
foams
(0.3
%)
microbeads
(0.3%).
colour
black
(39.3%)
blue
(19.5%)
transparent
(18.1%).
length
ranged
0.05
to
26.5
mm
with
an
average
1.84±2.80
mm.
93.2%
microplastics,
6.5
%
as
mesoplastics
0.3%
macroplastics.
Plastic
higher
S.
sarda
(plastic
70%
analysed
individuals)
lower
M.
9%
individuals).
main
synthetic
polymers
identified
Fourier-transform
infrared
(FTIR)
spectroscopy
polypropylene
(29.8%),
polyester
(17.5%),
acrylic
(15.8%),
polyethylene
(14%)
polystyrene
(1.8%)
21.1%
cellulosic.
Results
show
Sea
is
contaminated
plastics.
This
might
affect
vital
functions
pose
a
risk
ecosystem
human
health.
study
contributes
better
understanding
status
pollution
different
habitats
provides
baseline
data
implement
Marine
Strategy
Framework
Directive
basin.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(3), P. e14359 - e14359
Published: March 1, 2023
Microplastics,
the
microscopic
plastics,
are
fragments
of
any
type
plastic
that
being
produced
today
as
waste
originating
from
anthropogenic
activities.
Such
microplastics
discharged
into
environment,
and
they
enter
back
human
body
through
different
means.
The
spread
in
environment
due
to
environmental
factors
inherent
properties
microplastics,
such
density,
hydrophobicity,
recalcitrance,
then
eventually
water
environment.
In
this
study,
better
understand
behavior
an
extensive
literature
review
was
conducted
on
occurrence
aquatic
environments
categorized
by
seawater,
wastewater,
freshwater.
We
summarized
abundance
distribution
studied
affecting
them
detail.
addition,
focusing
sampling
pretreatment
processes
can
limit
analysis
results
we
discussed
depth
methods,
density
separation,
organic
matter
digestion
methods
for
each
Finally,
potential
hazards
posed
aging
adsorption
pollutants
or
ingestion
organisms,
exposure
were
also
investigated.
Water Science & Technology,
Journal Year:
2021,
Volume and Issue:
84(7), P. 1648 - 1662
Published: Sept. 6, 2021
Wastewater
treatment
plants
(WWTPs)
are
one
of
the
major
vectors
microplastics
(MPs)
pollution
for
recipient
water
bodies.
Therefore,
recovery
MPs
from
WWTPs
is
extremely
important
decreasing
their
accumulation
and
impact
in
aquatic
systems.
In
this
present
study,
electrocoagulation-electroflotation
(EC/EF)
membrane
filtration
processes
were
investigated
removing
wastewaters.
The
effectiveness
different
electrode
combinations
(Fe-Al
Al-Fe),
current
density
(10-20
A/m2),
pH
(4.0-10.0)
operating
times
(0-120
min)
on
removal
two
polymer
particles
to
obtain
maximum
efficiency.
effect
pressure
(1-3
bar)
efficiency
was
also
investigated.
efficiencies
obtained
as
100%
both
types
with
combination
Al-Fe,
initial
7,
20
A/m2
reaction
time
10
min.
method
displayed
a
addition,
these
laboratory-scale
results
compared
one-year
average
data
plant
treating
real-scale
membranes.
indicated
that
proposed
supplied
(100%)
conventional
secondary
tertiary
methods
(2-81.6%)
microplastics.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
920, P. 170787 - 170787
Published: Feb. 12, 2024
Southeast
Asian
countries
are
recognized
as
significant
contributors
to
the
discharge
of
abundant
plastic
waste
into
ocean.
In
this
study,
we
conducted
neuston
net
surveys
on
Si
Chang
Island
Gulf
Thailand,
a
coral
reef
conservation
area,
determine
presence
microplastic
(MP)
pollution.
The
survey,
during
wet
(southwesterly
monsoon),
transition,
and
dry
seasons
(northeasterly
revealed
that
MP
abundance
was
in
range
0.02–42.46
particles
m−3.
precipitation,
wind,
current
direction
induced
by
monsoons
influenced
distribution
MP,
presenting
seasonality.
cluster
analysis
for
colors
polymer
types
MPs
suggested
origin
is
diverse.
Based
our
results,
proposal
generation,
sources,
pathways
Thailand
presented:
1)
wastes
exposed
strong
UV
light
season
get
fragmented
around
river,
2)
heavy
rains
wash
away
season.
This
applicable
tropical
regions,
including
Thailand.
Therefore,
paper
concluded
ocean
currents
unique
climate,
resulting
generation
land,
increase
surrounding
Asia
countries.
Furthermore,
ecosystems
can
be
particularly
threatened
these
areas.
So,
an
monitoring
from
world
highly
recommended.
