Water,
Journal Year:
2025,
Volume and Issue:
17(4), P. 574 - 574
Published: Feb. 17, 2025
Wastewater
treatment
plants
(WWTPs)
play
a
crucial
role
in
mitigating
microplastic
(MP)
release
to
the
environment.
In
this
paper,
WWTP
of
textile
manufacturing
plant
Guangdong,
China,
was
investigated
identify
MP
characteristics
and
effectiveness
wastewater
within
plant.
Laser
Direct
Infrared
(LDIR)
Liquid
Chromatography
with
Mass
Spectrometry
(LC-MS/MS)
were
applied
quantify
both
number
mass
microplastics
effluent
where
most
from
three
printing
dyeing
lines.
The
study
further
removal
efficiency
each
process
industry-owned
analysed
mechanism
step,
highlighting
limitations
detecting
eliminating
MPs.
It
is
observed
that
(1)
results
LDIR
LC-MS/MS
can
be
complementary
other;
(2)
concentration
influent
1730
n/L
by
13.52
µg/L
mass;
(3)
total
99%
MPs
67.7%
MPs;
(4)
nine
types
polymers
have
been
identified
influent,
which
Polyamide
(PA)
dominating;
(5)
hydrolysis
acidification
removed
PA
most;
(6)
aerobic
tank,
sand
filter,
biological
aerated
filter
(BAF)
showed
low
efficiency;
(7)
coagulation
sedimentation
tank
had
highest
PET
than
any
other
processes.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(28), P. 10478 - 10488
Published: June 30, 2023
Environmental-friendly
and
low-cost
catalysts
for
peracetic
acid
(PAA)
activation
are
vital
to
promote
their
application
micropollutant
degradation
in
water.
In
this
study,
powdered
activated
carbon
(PAC)
was
reported
improve
the
of
sulfamethoxazole
(SMX).
The
improvement
SMX
PAC/PAA
system
expected
be
because
PAA
rather
than
co-existing
H2O2
activation.
Non-radical
oxidation
pathways,
including
mediated
electron-transfer
process
singlet
oxygen
(1O2),
were
evidenced
play
dominant
roles
micro-organic
pollutants.
graphitization
PAC,
persistent
free
radicals,
electron-donating
groups
like
C–OH
proposed
contribute
PAA.
High
could
achieved
acidic
neutral
conditions
system.
Overall,
higher
dosages
PAC
(0–0.02
g/L)
(0–100
μM)
benefited
SMX.
presence
HCO3–
lower
significantly,
while
Cl–,
PO43–,
humic
(HA)
only
reduced
efficiency
a
little.
study
offered
an
efficient
non-radical
method
using
which
can
effectively
used
degrade
Trends in Environmental Analytical Chemistry,
Journal Year:
2022,
Volume and Issue:
35, P. e00170 - e00170
Published: June 27, 2022
Microplastics
(MPs)
and
other
emerging
pollutants
exist
together
in
the
environment
their
co-exposure
represents
a
source
of
increasing
concern
as
MPs
have
been
reported
to
act
carriers
due
high
sorption
capacity.
The
ingestion
contaminated
by
organisms
can
enhance
desorption
pollutants,
bioavailability
toxicity.
This
review
examines
role
vectors
environmental
contaminants.
First,
main
tools
used
identify
characterise
analytical
methods
for
determination
associated
contaminants
are
discussed.
Insightful
explanations
interaction
between
several
groups
provided.
MP
type
(polarity,
crystallinity,
size)
aging
process
with
conditions
pollutant
properties
(hydrophobicity
dissociated
forms)
key
factors
influencing
process.
literature
showed
that
polyethylene
polystyrene
were
most
commonly
studied
polymers.
Antibiotics,
perfluoroalkyl
compounds
triclosan
capacities
onto
MPs.
Finally,
effect
MPs-emerging
bioaccumulation
aquatic
terrestrial
is
combined
exposure
may
impact
toxic
effects
different
ways,
through
synergistic
or
antagonic
interactions.
Examples
scenarios
provided,
but
general
research
conducted
on
systems
scarce.
results
revealed
lack
standardization
laboratory
studies
testing
reflect
actual
exposure.
Water Science & Technology,
Journal Year:
2023,
Volume and Issue:
87(3), P. 685 - 710
Published: Jan. 25, 2023
Since
wastewater
treatment
plants
(WWTPs)
cannot
completely
remove
microplastics
(MPs)
from
wastewater,
WWTPs
are
responsible
for
the
release
of
millions
MPs
into
environment
even
in
1
day.
Therefore,
knowing
sources,
properties,
removal
efficiencies
and
mechanisms
is
great
importance
management
MPs.
In
this
paper,
firstly
sources
quantities
properties
(polymer
type,
shape,
size,
color)
influents,
effluents,
sludges
presented.
Following
this,
MP
efficiency
different
units
(primary
settling,
flotation,
biological
treatment,
secondary
filtration-based
technologies,
coagulation)
discussed.
next
section,
details
about
critical
(settling
flotation
tanks,
bioreactors,
sand
filters,
membrane
coagulation
units)
given.
last
factors
that
effective
adsorbing
organic-inorganic
pollutants
to
Finally,
current
situation
research
gap
these
areas
identified
suggestions
provided
topics
need
further
future.
The Science of The Total Environment,
Journal Year:
2022,
Volume and Issue:
861, P. 160665 - 160665
Published: Dec. 5, 2022
Water
treatment
plants'
effluents
are
hotspots
of
microplastics
(MPs)
and
microfibres
(MFs)
released
into
the
aquatic
environment
because
they
were
not
designed
to
capture
these
particles.
Special
attention
should
be
given
MFs,
since
mainly
come
from
laundry
related
one
main
MP
shapes
detected
in
water
wastewater
plants.
In
this
sense,
Advanced
Oxidation
Processes
(AOPs)
could
a
feasible
solution
for
tackling
MF
pollution,
however,
it
is
still
premature
extract
conclusions
due
limited
number
studies
on
degradation
particles
(specifically
MFs)
using
AOPs.
This
review
addresses
impacts
AOPs
MPs/MFs,
focusing
their
efficiency,
toxicity,
sustainability
processes,
among
other
aspects.
The
points
out
that
polyamide
MFs
can
achieve
mass
loss
>90%
by
photocatalytic
system
TiO2.
Also,
low
oxidation
MPs
(<30
%)
conventional
Fenton
process
affects
surface
MPs.
However,
Fenton-based
processes
provide
better
removal
some
types
MPs,
temperatures
>100
°C,
reaction
time
≥
5
h,
initial
pH
≤
3,
achieving
weight
up
96
%.
Despite
results,
operating
conditions
required
ones
reported
so
far
full-scale
application.
Additionally,
ozonation
plants
has
increased
fragmentation
(including
MFs),
leading
new
generation
More
needed
toxicity
effects
intermediates
methods
analysis
employed
MPs/MFs
effluent
standardized
compared
effectively.
Future
research
focus
AOP
(power
consumption,
chemicals
consumed
operational
costs)
understanding
applicability
adapted
treatment.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
894, P. 164999 - 164999
Published: June 20, 2023
To
date,
previous
studies
have
reported
the
adverse
effects
of
microplastics
(MPs)
and
nanoplastics
(NPs)
on
both
freshwater
marine
organisms.
However,
information
MPs'
NPs'
shrimp
species
is
scarce.
In
addition,
factors
influencing
distribution
these
particles
in
aquatic
systems
been
explained,
yet
mechanisms
behind
MPs
NPs
consumption,
specifically
to
crustaceans
shrimp,
not
elucidated
detail.
The
as
well
plastic-carried
contaminants
pathogens
are
critical
production
subsequent
human
consumption.
Recent
findings
required
review
discuss
open
up
new
avenues
for
emerging
Shrimp
crustacean
research
sustainability.
This
summarizes
fate
along
with
identifies
potential
risks
health.
transport
influenced
by
their
plastic
properties,
hydrodynamics,
water
properties.
Additionally,
a
surface
(plastisphere)
regulated
contaminant
Pathogens
thriving
surfaces
adsorbed
can
reach
organisms
directly
or
indirectly
after
release
an
environment.
be
absorbed
through
gills
mouth
accumulate
internal
organs.
Innate
immunity
degree
survival
rate,
tissue
damage,
alteration
gut
microbiota,
increased
oxidative
stress
caused
accumulation.
still
sufficient
understand
how
from
various
parts
body
plastics
inside
body.
Alexandria Engineering Journal,
Journal Year:
2024,
Volume and Issue:
95, P. 101 - 113
Published: April 1, 2024
In
light
of
the
extensive
contamination
water
sources
by
microplastics,
their
substantial
specific
surface
area
makes
them
favorable
candidates
as
adsorbents
for
simultaneous
removal
coexisting
contaminants
in
wastewater.
this
regard,
polyethylene
microplastics
were
utilized
to
eliminate
methylene
blue
dye
from
water.
MB
adsorption
onto
reached
equilibrium
just
30
min
at
pH
7.
The
better
fit
fractional
power
and
Redlich-Peterson
models
on
kinetic
data,
respectively,
revealed
that
process
is
a
chemisorption
multilayer
heterogeneous
particles.
reusability
adsorbent
was
confirmed
based
promising
outcomes
observed
after
five
cycles.
results
random
forest
regression
exhibited
an
R2
97.55%
correlation
between
model-computed
measured
amounts
reduction.
sensitivity
analysis
illustrated
sorption
highly
influenced
initial
concentration
mass.
These
show
although
may
pose
potential
risks
environments,
can
be
simultaneously
omit
other
pollutants
aqueous
solutions.
