Microaeration
has
been
reported
to
improve
anaerobic
digestion,
which
is
generally
attributed
increased
microbial
diversity,
but
a
thorough
explanation
lacking.
In
this
study,
it
was
found
that
intermittent
microaeration
(IMA)
supplied
an
digester
could
oxidize
Fe(II)
produced
by
dissimilatory
iron
reduction
(DIR)
form
Fe(III)/Fe(II)
cycle
and
generate
extracellular
reactive
oxygen
species
(ROS)
treatment
of
phenol-containing
wastewater.
The
results
showed
compared
the
control
group
without
IMA,
removal
rates
COD
phenol
29.54
49.68
percentage
points,
respectively,
daily
average
methane
production
85.44%.
slowed
down
loss
(13.97%)
released
from
sludge
due
lower
solubility
Fe(III)
facilitated
•OH
generation
(1.22
±
0.04
μM)
via
Fenton-like
reactions.
DIR
accelerated
degradation.
Metagenomic
analysis
revealed
abundance
methanogens
antioxidant
enzymes-encoding
genes
in
response
oxidative
stress
significantly
IMA
control,
enabling
methanogenesis
proceed
smoothly
under
microaeration.
This
study
investigated
ROS
induced
during
digestion
their
roles
promoting
performance,
thereby
providing
new
perspective
for
optimizing
systems
with
Macromolecular Chemistry and Physics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Abstract
Phenolic
wastewater
poses
a
significant
threat
to
public
health,
highlighting
the
urgent
need
for
development
of
effective
and
efficient
treatment
methods.
Porous
organic
polymers,
renowned
their
high
structural
stability,
large
surface
area,
diverse
physicochemical
properties,
have
gained
widespread
application
in
adsorption‐based
technologies.
Therefore,
novel
adsorbent
materials
remains
crucial
area
scientific
research.
In
this
study,
porous
polymer
is
synthesized
using
quercetin,
derived
from
biomass,
as
key
precursor.
To
facilitate
separation
reusability,
magnetic
Fe
3
O
4
@SiO₂
nano‐particle
nanoparticles
(MNPs)
are
integrated
into
matrix.
The
resulting
adsorbents
exhibited
outstanding
adsorption
capacity
phenolic
contaminants,
along
with
excellent
recoverability
reusability.
Additionally,
mechanism
systematically
investigated
verified
through
series
characterization
techniques.
Biotechnology Reports,
Journal Year:
2025,
Volume and Issue:
unknown, P. e00890 - e00890
Published: March 1, 2025
Soil
pollution
causes
many
harmful
effects
by
its
contaminants
or
pollutants,
which
are
known
as
soil
pollutants.
They
causing
serious
problems
in
plants
well
humans.
By
entering
into
plants,
chemicals
become
part
of
the
food
chain.
When
humans
consume
contaminated
food,
it
has
on
human
health.
Pollutants
making
unfit
for
living.
Many
techniques
being
used
remediation
pollution.
Some
traditional
techniques;
some
innovative
and
effective
emerging
science
technology
going
on.
In
this
review,
we
have
discussed
significant
methods,
their
aspects,
how
they
playing
role
remediation.
Biological
methods
such
living
organisms,
chemical,
genetic
manipulation
modern
that
Genetic
manipulations
sometimes
change
enzyme
processes,
enhance
whole
activity
changing
proteins
organisms
related
to
enzymes.
Pollution
can
be
done
process
bio-augmentation,
uses
different
types
strains
microbes
treatment.
As
there
is
an
increase
formation
OH
compounds,
advanced
oxidation
technologies
introduced
treat
them.
Trace
metals
heavy
also
a
big
problem
pollution,
treated
phytoremediation
use
strategies.
Nanoparticles
treatment
compounds
like
nitrates,
manganese,
arsenic,
etc.
This
review
will
guide
you
through
