Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(1), P. 155 - 155
Published: Jan. 14, 2025
Although
bioremediation
is
considered
the
most
environmentally
friendly
and
sustainable
technique
for
remediating
contaminated
soil
water,
it
effective
when
combined
with
physicochemical
methods,
which
allow
preliminary
removal
of
large
quantities
pollutants.
This
allows
microorganisms
to
efficiently
eliminate
remaining
contaminants.
In
addition
requiring
necessary
genes
degradation
pathways
specific
substrates,
as
well
tolerance
adverse
environmental
conditions,
may
perform
below
expectations.
One
typical
reason
this
high
toxicity
xenobiotics
present
in
concentrations,
stemming
from
vulnerability
bacteria
introduced
a
site.
especially
true
planktonic
bacteria,
whereas
within
biofilms
or
microcolonies
have
significant
advantages
over
their
counterparts.
A
physical
matrix
essential
formation,
maintenance,
survival
bacterial
biofilms.
By
providing
such
immobilization,
formation
can
be
facilitated
accelerated.
Therefore,
immobilization
offers
comprehensive
solution
cleanup
by
harnessing
specialized
metabolic
activities
while
ensuring
retention
efficacy
at
target
sites.
many
cases,
also
need
methods
that
are
otherwise
required
initially
reduce
contaminant
concentrations.
Then,
will
possible
use
remediation
higher
concentrations
xenobiotics,
significantly
reducing
costs
maintaining
rapid
rate
processes.
review
explores
benefits
highlighting
materials
processes
developing
an
optimal
matrix.
It
focuses
on
following
four
key
areas:
(i)
types
organic
pollutants
impacting
human
health,
(ii)
strains
used
processes,
(iii)
(iv)
cells
various
carriers
targeted
pollutant
degradation.
Energies,
Journal Year:
2024,
Volume and Issue:
17(17), P. 4219 - 4219
Published: Aug. 23, 2024
Biomass-to-biofuel
conversion
represents
a
critical
component
of
the
global
transition
to
renewable
energy.
One
most
accessible
types
biomass
is
sewage
sludge
(SS).
This
by-product
from
wastewater
treatment
plants
(WWTPs)
contains
microplastics
(MPs)
originating
household,
industrial
and
urban
runoff
sources.
Due
their
small
size
(<5
mm)
persistence,
MPs
present
challenge
when
they
are
removed
systems,
where
mainly
accumulate
(~90%).
The
presence
in
SS
poses
environmental
risks
biosolids
applied
as
fertilizer
agriculture
or
incinerated
for
purpose
energy
production.
key
problem
efficient
reliable
identification
reduction
due
lack
standardized
procedures.
methods
might
involve
physical,
chemical,
biological,
hydrothermal
approaches,
including
carbonization
(HTC).
HTC
produces
hydrochar
(HC),
solid
biofuel,
presents
cutting-edge
approach
that
simultaneously
addresses
secondary
microplastic
pollution
biomass-derived
In
this
article,
we
review
briefly
content
different
countries,
promising
method
removal
SS.
conclusion,
(i)
effectively
reduces
abundance
biosolids,
(ii)
an
improved
source
energy,
(iii)
contributes
circular
management.
Journal of Environmental Management,
Journal Year:
2025,
Volume and Issue:
375, P. 124359 - 124359
Published: Feb. 1, 2025
The
extensive
use
and
application
of
recycled
organics,
including
biosolids
compost,
has
been
considered
as
an
effective
waste
management
approach
to
reduce
landfills.
However,
concerns
have
raised
about
the
presence
microplastics
(MPs)
in
these
organics
their
subsequent
transfer
soils.
Although
MPs
widely
documented,
our
knowledge
occurrence
characteristics
processed
organic
such
compost
is
still
limited.
present
study
aimed
investigate
abundance,
potential
sources
(>25
μm)
samples
collected
across
eleven
sites
with
different
processing
systems
Australia.
This
includes
digestate
from
anaerobic
digestion
rapidly
dehydrated
food
waste.
MPs,
mainly
polyethylene,
polypropylene
polyester,
were
found
all
concentrations
ranging
1500
16,000
MP/kg
dry
weight.
majority
fell
within
smaller
size
range
25-500
μm.
Using
concentration
(size
range,
morphology,
density)
detected
mass
abundance
was
estimated
be
between
7
760
mg/kg
We
also
that
5.2
×
1010
6.2
1012
MP/year
could
transferred
land
via
findings
this
showed
compostable
bags
a
source
some
samples.
provides
first
evidence
Australia
emphasises
need
more
comprehensively
understand
fate
during
composting
processes,
contribution
soil
MP
contamination,
impacts
on
biota.
