Advanced Sustainable Systems,
Год журнала:
2024,
Номер
8(11)
Опубликована: Июнь 19, 2024
Abstract
Microplastics
(MPs)
are
a
class
of
emerging
contaminants
that
have
gained
significant
attention
in
recent
years.
The
presence
MPs
the
aquatic
environment
is
reported
to
serious
potential
environmental
and
health
impacts.
Therefore,
it
essential
develop
efficient
sustainable
strategies
for
remediation
from
aqueous
environment.
Traditional
techniques
an
limitations,
including
high
costs
production
secondary
pollutants.
In
this
scenario,
bioremediation
offers
several
advantages
has
emerged
as
cost‐effective,
eco‐friendly,
strategy
removal
water.
This
article
critically
reviews
progress
applications
different
effects
key
factors
such
characteristics
MPs,
conditions,
types
microorganisms
on
elaborated
detail.
underlying
mechanisms
involved
by
also
discussed
comprehensively.
Major
technological
challenges
identified,
recommendations
future
research
provided.
Despite
challenges,
promising
approach
can
revolutionize
MP
process
if
major
addressed.
Chemosphere,
Год журнала:
2024,
Номер
364, С. 143145 - 143145
Опубликована: Авг. 22, 2024
Microplastic
(MP)
pollution
poses
a
significant
environmental
challenge,
underscoring
the
need
for
improved
water
treatment
methods.
This
study
investigates
effectiveness
of
coagulation,
flocculation,
and
sedimentation
processes
removing
microbeads,
focusing
on
key
factors
that
influence
removal
efficiency.
Among
coagulants
tested,
polyaluminium
chloride
(PAC)
demonstrated
superior
performance
by
enhancing
aggregation
microplastics
with
flocs.
Optimal
conditions
were
determined
to
be
0.4
mmol/L
PAC
3
mg/L
polyacrylamide
(PAM)
at
pH
8
(before
adding
PAC),
rapid
stirring
240
rpm
1
min,
followed
slow
35
13
period
25
min.
Under
these
conditions,
efficiencies
exceeded
95
%
range
microbeads
(10-1000
μm:
Polystyrene
(PS),
Polypropylene
(PP),
Polyvinyl
(PVC),
Polyamide
(PA),
Polyethylene
(PE),
Polyurethane
(PU))
from
natural
samples.
Without
PAM,
alone
achieved
97
rate
PS
microbeads.
The
addition
PAM
maintained
high
efficiency,
while
aluminium
sulphate
ferric
less
effective,
rates
67
48
respectively.
enhanced
MP
across
various
microbead
types,
maximum
efficiency
observed
concentrations
≥3
mg/L.
also
organic
matter
in
Regent's
Park
pond
could
further
improve
removal.
Size
significantly
impacts
efficiency:
larger
(1
mm
>250
μm)
removed
more
effectively
(95
%)
compared
smaller
ones
(10
<250
μm),
which
had
lower
49
%.
Denser
like
PVC
(density
1.38
g/cm³)
settled
efficiently
than
lighter
such
as
PE
0.97
g/cm³).
These
findings
suggest
advanced
technologies
better
remove
lighter,
MPs
water.
Cleaner Water,
Год журнала:
2024,
Номер
1, С. 100010 - 100010
Опубликована: Фев. 24, 2024
The
presence
of
small-sized
(<5
mm)
plastic
particles,
called
microplastics
(MPs),
in
the
environment,
including
aquatic
bodies,
air,
soil,
and
bodies
living
beings,
is
a
cause
significant
concern
to
entire
world.
These
MPs
can
contaminate
drinking
water
sources,
move
up
food
chain,
release
toxic
substances
that
could
pose
threat
human
health.
Therefore,
there
an
urgent
need
develop
methods
for
removing
from
environment
protect
present
future
generations.
coagulation-flocculation
sedimentation
(CFS)
process
(using
synthetic
chemicals)
has
emerged
as
fundamental
method
treating
because
its
economy,
high
efficiency,
ease
use.
However,
xenobiotic
nature
such
compounds,
coupled
with
their
adverse
health
effects,
calls
development
sustainable
solutions.
This
first
study
report
effectiveness
plant-based
natural
coagulants
comparison
against
coagulants.
Two
coagulants,
Benincasa
hispida
(BH)
Moringa
oleifera
(MO),
were
investigated
have
shown
comparable
MP
removal
efficiencies
commonly
used
coagulant:
alum.
CFS
approach
resulted
83.73
±
1.41%
(100
mg
L–1
dosage)
86.99
(150
BH
MO,
respectively,
while
alum
86.58
1.22%
(50
dosage).
Further,
FTIR
analysis
revealed
these
are
composed
high-density
polyethylene
(HDPE),
SEM
imaging
shapes
spherical,
rod-like
irregular.
results
show
materials
be
removal,
thus
yielding
cost-effective
process.
Environmental Monitoring and Assessment,
Год журнала:
2025,
Номер
197(4)
Опубликована: Март 19, 2025
Abstract
Microplastics
(MPs)
have
become
a
major
global
environmental
problem
due
to
their
accelerated
distribution
throughout
different
environments.
Their
widespread
presence
is
potential
threat
the
ecosystems
because
they
alter
natural
interaction
among
constituent
elements.
MPs
are
considered
as
emergent
pollutants
huge
amount
existing
in
environment
and
by
toxic
effects
can
cause
living
beings.
The
removal
of
from
water
bodies
wastewaters
control
strategy
that
needs
be
implemented
present
on
strictly
constantly
near
future
mitigate
into
other
work
shows
detailed
comparison
current
technologies
for
remediation
pollution.
That
is,
physical,
biological,
chemical
methods
wastewaters.
Focusing
mainly
discussion
perspective
innovative
or
degradation
MPs,
rather
than
deep
technical
methodologies.
selected
novel
physical
discussed
adsorption,
ultrafiltration,
dynamic
membranes
flotation.
used
modify
properties
particles
facilitate
removal.
biological
based
use
bacterial
strains,
worms,
mollusks
fungus
degrade
hydrocarbon
chain
decrease
particles,
these
kinds
microorganisms
feed
organic
chains.
focusing
coagulation,
electrocoagulation,
photocatalysis,
ozonation.
Chemical
achieve
modification
structure
either
change
surface
attacking
radicals
with
high
oxidation
capacity.
Additionally,
some
interesting
combinations
chemical,
discussed.
Finally,
this
includes
critical
several
wastewaters,
emphasizing
areas
opportunity
challenges
faced.
Graphical
abstract
