Chemosphere,
Journal Year:
2024,
Volume and Issue:
363, P. 142956 - 142956
Published: July 27, 2024
Removing
pesticides
from
biological
drinking
water
filters
is
challenging
due
to
the
difficulty
in
activating
pesticide-degrading
bacteria
within
filters.
Bioaugmented
can
alter
filter's
microbiome,
affecting
its
performance
either
positively
or
negatively,
depending
on
used
and
their
interaction
with
native
microbes.
We
demonstrate
that
adding
specific
strains
effectively
remove
recalcitrant
pesticides,
like
metaldehyde,
yielding
compliance
regulatory
standards
for
an
extended
period.
Our
experiments
revealed
Sphingobium
CMET-H
strain
was
particularly
effective,
consistently
reducing
metaldehyde
concentrations
levels
compliance,
significantly
outperforming
Acinetobacter
calcoaceticus
E1.
This
success
attributed
superior
acclimation
distribution
of
filter
bed,
facilitating
more
efficient
interactions
degradation
pesticide,
even
when
present
at
lower
population
densities
compared
Furthermore,
our
study
demonstrates
addition
impacts
microbiome
various
depths,
despite
these
making
up
less
than
1%
total
microbial
community.
The
sequence
which
are
introduced
influences
system's
ability
degrade
effectively.
research
shows
potential
carefully
selected
dosed
bioaugmented
improve
pesticide
removal
capabilities
filtration
systems,
while
also
highlighting
dynamics
between
communities.
Further
investigation
into
optimizing
bioaugmentation
strategies
suggested
enhance
resilience
efficiency
treatment
systems
against
contamination.
Journal of Fungi,
Journal Year:
2025,
Volume and Issue:
11(1), P. 67 - 67
Published: Jan. 16, 2025
A
significant
concentration
of
pharmaceuticals
has
been
detected
within
composted
sewage
sludge.
Their
uncomplete
removal
and
lack
monitoring
during
composting
neglects
their
potentially
toxic
effects
when
used
as
a
soil
organic
amendment.
Previously,
we
successfully
implemented
bioaugmentation–composting
system
focused
on
toxicity
pharmaceuticals’
reduction.
This
method,
however,
comprised
long
inoculant-acclimatization
period,
making
it
an
unprofitable
technology.
Hence,
this
work
aimed
to
explore
shorter
yet
effective
process
by
simultaneously
implementing
the
inoculation
native
microbial
consortium
fungus
Penicillium
oxalicum
XD
3.1
in
piles
sludge
olive
prunings.
All
were
subjected
frequent
inoculation,
windrow
turning,
physicochemical
biological
parameters.
Additionally,
both
bioaugmentation
stability
degradation
evaluated
through
different
analysis
rates
calculations.
One
hundred
days
earlier
than
previous
attempts,
treatments
achieved
adequate
conditions,
maintained
core
populations
while
improving
degrading
diversity,
around
70–72%
pharmaceutical
remotion.
Nevertheless,
only
produced
favorable
results
ideal
for
amendments
(acute
microtoxicity
phytotoxicity).
Thus,
but
equally
stable
with
P.
was
here.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 14, 2024
Pharmaceuticals,
recognized
for
their
life-saving
potential,
have
emerged
as
a
concerning
class
of
micropollutants
in
the
environment.
Even
at
minute
concentrations,
chronic
exposure
poses
significant
threat
to
ecosystems.
Various
pharmaceutically
active
(PhAMP),
including
antibiotics,
analgesics,
and
hormones,
been
detected
underground
waters,
surface
seawater,
sewage
treatment
plants,
soils,
activated
sludges
due
absence
standardized
regulations
on
pharmaceutical
discharge.
Prolonged
exposureof
hospital
waste
facilities
is
linked
presence
antibiotic-resistant
bacteria.
Conventional
water
methods
prove
ineffective,
prompting
use
alternative
techniques
like
photolysis,
reverse
osmosis,
UV-degradation,
bio-degradation,
nano-filtration.
However,
commercial
implementation
faces
challenges
such
incomplete
removal,
toxic
sludge
generation,
high
costs,
need
skilled
personnel.
Research
gaps
include
comprehensively
identify
understand
various
types
micropollutants,
investigate
long-term
ecological
impact,
develop
more
sensitive
monitoring
techniques,
explore
integrated
approaches.
Additionally,
there
gap
understanding
socio-economic
implications
pollution
efficacy
public
awareness
campaigns.
Future
research
should
delve
into
strategies
phagotherapy,
vaccines,
natural
substance
substitutes
address
escalating
pollution.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(22), P. 9850 - 9862
Published: May 17, 2024
A
considerable
number
of
micropollutants
from
human
activities
enter
the
wastewater
network
for
removal.
However,
at
treatment
plant
(WWTP),
some
proportion
these
compounds
is
retained
in
sewage
sludge
(biosolids),
and
due
to
its
high
content
nutrients,
widely
applied
as
an
agricultural
fertilizer
becomes
a
means
be
introduced
environment.
Accordingly,
holistic
semiquantitative
nontarget
screening
was
performed
on
sludges
five
different
WWTPs
using
nanoflow
liquid
chromatography
coupled
high-resolution
Orbitrap
mass
spectrometry.
Sixty-one
inorganic
elements
were
measured
inductively
plasma
Across
all
sludges,
analysis
workflow
annotated
>21,000
features
with
chemical
structures,
after
strict
prioritization
filtering,
120
organic
diverse
structures
applications
such
pharmaceuticals,
pesticides,
flame
retardants,
industrial
natural
identified.
None
tested
free
micropollutants.
Pharmaceuticals
contributed
largest
share
followed
by
pesticides
products.
The
predicted
concentration
identified
contaminants
ranged
between
0.2
10,881
ng/g
dry
matter.
Through
quantitative
analysis,
this
study
comprehensively
demonstrated
occurrence
cocktails
sludges.
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(3), P. 112937 - 112937
Published: April 30, 2024
Bioaugmentation
has
resulted
in
an
interesting
tool
to
improve
composting
technologies.
However,
the
structure
and
dynamic
of
native
populations
might
be
affected,
hence,
whole
process
performance.
Here,
we
aimed
identify
evaluate
fungal
bacterial
changes
produced
by
bioaugmentation
with
exogenous
inoculant:
Penicillium
oxalicum
XD
3.1
endogenous
natural
consortia
obtained
from
enrichment:
enriched
culture
during
a
sewage
sludge
(applied
designed
for
improvement
pharmaceutical
active
compounds
degradation,
under
real
conditions).
To
do
so,
microbial
was
first
described
then,
population
into
composite
samples
were
studied.
Microbial
DNA
(before
after
enrichment)
compost
(at
key
stages
process:
inoculation,
thermophilic
maturation).
The
amplicon
sequencing
16
S
rRNA
genes
internal
transcribed
spacer
(ITS)
region
bacteria
fungi
then
performed
using
Illumina
Platform.
Results
showed
that
α-diversity
bioaugmented
piles
significantly
changed
inoculation
stages.
fluctuation
physicochemical
parameters,
altered
bioaugmentation,
explained
diversity
changes.
Temperature,
mineral
matter,
conductivity,
dry
total
solids
significant
explanatory
variables
diversity,
dominance
ASVs
counts.
Redundancy
analyses
β-diversity
revealed
asynchronous
interaction
all
parameters
varied
according
stage.
In
general,
these
outcomes
lead
deeper
understanding
promising
combined
bioaugmentation-composting
mechanism.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
906, P. 167660 - 167660
Published: Oct. 7, 2023
Drug
consumption
has
grown
exponentially
in
recent
decades,
particularly
during
the
COVID-19
pandemic,
leading
to
their
presence
various
water
sources.
In
this
way,
degradation
technologies
for
pollutants,
such
as
electrochemical
oxidation
(ELOX),
have
become
crucial
safeguard
quality
of
natural
resources.
This
study
its
starting
point
a
previous
research,
which
demonstrated
efficacy
ELOX
removal
related-drugs,
dexamethasone
(DEX),
paracetamol
(PAR),
amoxicillin
(AMX),
and
sertraline
(STR),
using
electrolytes
NaCl
Na2SO4.
The
present
research
aims
potential
risks
associated
with
generation
toxic
by-products,
cited
drugs,
specifically
focusing
on
highly
chlorinated
persistent
organic
pollutants
(POPs),
polychlorinated
dibenzo-p-dioxins
dibenzofurans
(PCDD/Fs).
Dioxins
furans
can
be
formed
potentially
systems
from
precursor
molecules
or
non-precursor
chloride
medium.
First,
parent
compounds
was
found
complete.
At
point,
comprehensive
investigation
conducted
identify
analyse
by-products
process;
precursors
PCDD/Fs,
chlorophenols
hydroquinones
were
identified.
Additionally,
continuation
study,
PCDD/Fs
congeners
investigated,
revealing
elevated
concentrations;
highest
concentration
obtained
congener
1,2,3,4,6,7,8-HpCDF
(234.6
pg
L-1
NaCl)
AMX.
Finally,
an
assessment
toxicity
based
TEQ
values
conducted,
DEX
exhibiting
among
all
compounds:
30.1
Therefore,
formation
minor
should
not
underestimated,
they
significantly
enhance
final
sample,
so
selection
appropriate
remediation
technology,
well
optimization
experimental
operating
variables,
is
determining
treatment
pharmaceutical-contaminated
waters.
Bioaugmentation
has
resulted
in
an
interesting
tool
to
improve
composting
technologies.
However,
the
structure
and
dynamic
of
native
populations
might
be
affected,
hence,
whole
process
performance.
Here,
we
aimed
identify
evaluate
fungal
bacterial
changes
produced
by
bioaugmentation
with
exogenous
inoculant:
Penicillium
oxalicum
XD
3.1
endogenous
natural
consortia
obtained
from
enrichment:
enriched
culture
during
a
sewage
sludge
(applied
designed
for
improvement
pharmaceutical
active
compounds
degradation,
under
real
conditions).
To
do
so,
microbial
was
first
described
then,
population
into
composite
samples
were
studied.
Microbial
DNA
(before
after
enrichment)
compost
(at
key
stages
process:
inoculation,
thermophilic
maturation).
The
amplicon
sequencing
16S
rRNA
genes
internal
transcribed
spacer
(ITS)
region
bacteria
fungi
then
performed
using
Illumina
Platform.
Results
showed
that
α-diversity
bioaugmented
piles
significantly
changed
inoculation
stages.
fluctuation
physicochemical
parameters,
altered
bioaugmentation,
explained
diversity
changes.
Temperature,
mineral
matter,
conductivity,
dry
total
solids
significant
explanatory
variables
diversity,
dominance
ASVs
counts.
Redundancy
analyses
β-diversity
revealed
asynchronous
interaction
all
parameters
varied
according
stage.
In
general,
these
outcomes
lead
deeper
understanding
promising
combined
bioaugmentation-composting
mechanism.
