Microplastics
(MPs)
transferred
to
sludge
during
water
treatment
processes,
particularly
wastewater
treatment,
enter
anaerobic
digesters
through
prior
its
final
disposal
or
reuse.
MPs
retained
in
digested
confirm
the
presence
of
digestion.
The
abundance
varies
considerably
from
0.02
MPs/g
DW
169,000
sludge.
MPs'
variability
is
partly
attributed
influent
quality
and
capacity
a
plant.
Fibrous
are
most
common
detected.
usually
have
sizes
less
than
1
mm.
Common
retrieved
those
acrylic,
polyamide,
polyethylene,
polyester,
polyethylene
terephthalate.
In
digesters,
could
interact
with
organic
matter
causing
increased
solubilization,
which
leads
higher
formation
volatile
fatty
acids.
Contrarily,
they
impede
digestion
matter.
They
emerging
pollutants
reduce
their
negative
impacts
on
adsorption
MPs.
change
microbial
profiles
favoring
some
microbes
while
inhibiting
others.
Polyamide
monomers
were
found
promote
growth
certain
microbes,
biogas
production.
Inhibitory
effects
often
due
leaching
chemicals,
bisphenol
A,
undergo
morphological
chemical
changes
digesters.
thinner
surfaces
at
sites
cleavages
after
Their
reduces
digestion,
implying
potential
degradation
biodegradation.
This
makes
prospective
avenue
for
MP
removal
bioaugmentation
pretreatment.
Energies,
Journal Year:
2024,
Volume and Issue:
17(11), P. 2555 - 2555
Published: May 24, 2024
This
review
highlights
the
significant
interaction
between
microplastic
(MP)
pollution
and
its
impact
on
wastewater
treatment
systems,
focusing
optimizing
biogas
production.
We
explore
various
sources
of
MPs,
including
tire-derived
their
introduction
into
environments.
delves
mechanical
physicochemical
challenges
MPs
pose
in
processes,
emphasizing
need
for
comprehensive
mitigation
strategies.
The
biological
effects
microbial
consortia
essential
production
are
analyzed,
particularly
how
these
pollutants
interfere
with
each
stage
anaerobic
digestion—hydrolysis,
acidogenesis,
acetogenesis,
methanogenesis—and,
consequently,
generation.
examine
MPs’
quantitative
qualitative
impacts
output
rates,
uncovering
disrupt
activity
stages.
also
discusses
novel
strategies
combining
different
sludge
pretreatment
methods
MPs.
Our
goal
is
to
enhance
sustainability
management
by
promoting
efficient
environmental
protection
presence
persistent
MP
contamination.
Microplastics
(MPs)
transferred
to
sludge
during
water
treatment
processes,
particularly
wastewater
treatment,
enter
anaerobic
digesters
through
prior
its
final
disposal
or
reuse.
MPs
retained
in
digested
confirm
the
presence
of
digestion.
The
abundance
varies
considerably
from
0.02
MPs/g
DW
169,000
sludge.
MPs'
variability
is
partly
attributed
influent
quality
and
capacity
a
plant.
Fibrous
are
most
common
detected.
usually
have
sizes
less
than
1
mm.
Common
retrieved
those
acrylic,
polyamide,
polyethylene,
polyester,
polyethylene
terephthalate.
In
digesters,
could
interact
with
organic
matter
causing
increased
solubilization,
which
leads
higher
formation
volatile
fatty
acids.
Contrarily,
they
impede
digestion
matter.
They
emerging
pollutants
reduce
their
negative
impacts
on
adsorption
MPs.
change
microbial
profiles
favoring
some
microbes
while
inhibiting
others.
Polyamide
monomers
were
found
promote
growth
certain
microbes,
biogas
production.
Inhibitory
effects
often
due
leaching
chemicals,
bisphenol
A,
undergo
morphological
chemical
changes
digesters.
thinner
surfaces
at
sites
cleavages
after
Their
reduces
digestion,
implying
potential
degradation
biodegradation.
This
makes
prospective
avenue
for
MP
removal
bioaugmentation
pretreatment.
