The
COVID-19
pandemic
has
highlighted
the
urgent
demand
for
advanced
air
disinfection
technologies.
Traditional
filters
primarily
capture
large
airborne
particles
but
are
ineffective
against
submicrometer
aerosols.
This
study
introduces
a
microwave-enabled
catalytic
filtration
system
using
Ti3C2Tx
MXene-coated
polypropylene
to
enhance
disinfection.
With
only
0.05
mg·cm-2
of
MXene
coating,
filter
surface
temperature
rapidly
reached
104
°C
within
3
s
under
125
W
microwave
irradiation.
Such
heating
led
significantly
higher
log
removal
value
(LRV)
(1.86
±
0.47)
MS2
bacteriophage
in
synthetic
bioaerosol
with
an
initial
concentration
105
PFU·mL-1,
compared
0.24-0.38
achieved
by
pristine
or
without
Additionally,
exhibited
promising
self-cleaning
behavior,
as
indicated
stable
viral
inactivation
and
efficiency
even
high-humidity
environments.
innovative
technology
shows
potential
preventing
pathogen
transmission
protecting
public
health
across
diverse
environmental
conditions.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(15), P. 6419 - 6419
Published: July 26, 2024
The
anaerobic
digestion
of
wastewater
treatment
sludge
(WAS)
produces
a
“green”
biogas
while
reducing
the
amount
residual
sludge.
To
increase
yield
biogas,
several
individual
or
combined
pre-treatment
methods
WAS
can
be
used.
These
substantially
reduce
volatile
suspended
solids
(VSSs)
and
their
associated
total
chemical
oxygen
demand
(TCOD).
Pre-treating
will
methane
by
15
to
30%.
Although
have
been
dealt
with
in
research
large-scale
operations,
(hybrid)
not
previously
reviewed.
Here,
different
hybrid
are
reviewed,
including
(1)
thermochemical
hydrolysis
pre-treatment,
using
an
alkaline
acid
addition
enhance
solubilization
cells
production;
(2)
high-pressure
homogenizer
combining
mechanical
treatment;
(3)
ultrasound
capable
solubilizing
organic
compounds
mechanisms,
such
as
fast
effective
disruption
increasing
effect
(NaOH)
(4)
microwave
which
enhances
at
least
20%
comparison
performance
each
separate
process;
(5)
(MW)
peroxidation
(SSs),
quickly
(<5
min)
disintegrated
MW
irradiation
80
°C;
(6)
ozone
peroxides
powerful
oxidizing
agents;
(7)
pulsed
electric
field
(PEF)
pretreatment.
All
literature
findings
assessed,
discussing
relevant
operation
conditions
results
achieved.
Catalysts,
Journal Year:
2023,
Volume and Issue:
13(11), P. 1440 - 1440
Published: Nov. 14, 2023
In
recent
years,
due
to
the
high
consumption
of
drugs
both
for
human
needs
and
their
growing
use,
especially
as
regards
antibiotics,
in
diet
livestock,
water
pollution
has
reached
very
levels
attracted
widespread
attention.
Drugs
have
a
stable
chemical
structure
are
recalcitrant
many
treatments,
biological
ones.
Among
methods
that
shown
efficiency
advanced
oxidation
processes
(AOPs)
which
are,
among
other
things,
inexpensive
eco-friendly.
AOPs
based
on
production
reactive
oxygen
species
(ROS)
able
degrade
organic
pollutants
wastewater.
The
main
problem
related
degradation
is
partial
compounds
often
more
harmful
than
precursors.
this
review,
not
intended
be
exhaustive,
we
provide
an
overview
advances
removal
via
(AOPs).
salient
points
each
process,
highlighting
advantages
disadvantages,
been
summarized.
particular,
use
such
UV,
ozone,
Fenton-based
heterogeneous
photocatalysis
some
most
common
(tetracycline,
ibuprofen,
oxytetracycline,
lincomycin)
reported.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(19), P. 8321 - 8321
Published: Sept. 25, 2024
The
increasing
disposal
of
emerging
contaminants
in
the
environment
is
a
worldwide
concern
due
to
environmental
impacts,
such
as
toxicity,
hormonal
disorders,
and
bioaccumulation.
persistence
these
pollutants
water
bodies
makes
conventional
pollutant
removal
techniques
inefficient
or
partial,
thus
requiring
development
new,
more
effective,
sustainable
remediation
technologies.
Therefore,
chitosan-based
materials
have
emerged
promising
alternative
for
application
catalysis
contaminant
removal.
biopolymer
has
functional
properties
that
make
it
an
excellent
adsorbent
capable
removing
specific
pollutants,
pharmaceuticals,
microplastics,
agricultural
pesticides,
perfluoroalkyl
poly-fluoroalkyl
substances,
which
are
increasingly
evidence
today.
this
review
recent
advanced
research
into
using
chitosan
manufacture
catalytic
adsorption
offers
innovative
approach
treating
aqueous
environments,
significantly
reducing
their
presence
impact.
It
discusses
advantages
catalyst
its
role
support
catalysts
biocatalysts.
In
addition,
highlights
diversity
physical
forms
chitosan,
particles,
membranes,
hydrogels,
possible
chemical
modifications,
highlighting
effectiveness
applications
wide
range
contaminants.
Water Environment Research,
Journal Year:
2025,
Volume and Issue:
97(2)
Published: Feb. 1, 2025
Abstract
The
effluent
produced
from
treating
landfill
leachate
via
biological
methods
still
contains
a
large
amount
of
refractory
organic
matter
and
needs
to
be
further
treated.
In
this
study,
we
used
microwave‐enhanced
zero‐valent
iron/peroxydisulfate
(MW/Fe
0
/PDS)
system
for
the
treatment
biotreated
(BTLE).
We
investigated
efficiency
mechanism
removing
BTLE.
results
show
that
under
conditions
MW
=
240
W,
[PDS]
40
mM,
[Fe
]
10
t
12
min,
MW/Fe
/PDS
best
removed
in
removal
rates
UV
absorbance
at
254
nm,
color
number,
total
carbon
reached
76.94%,
93.50%,
63.08%,
respectively.
aromaticity,
degree
humification,
molecular
weight,
polymerization
decreased
significantly.
surface
morphology
elemental
valence
analysis
Fe
before
after
reaction
revealed
iron‐based
oxides
(i.e.,
2
O
3
,
4
FeOOH,
(OH)
)
formed
on
.
was
by
homogeneous
heterogeneous
Fenton‐like
reactions
adsorption–precipitation
colloids.
thermal
nonthermal
effects
promoted
direct
PDS
decomposition,
accelerated
formation
2+
redox
cycle
3+
/Fe
generated
more
sulfate
radicals
(SO
•−
).
Together,
these
improved
matter.
study
can
serve
as
theoretical
basis
use
treat
Practitioner
Points
A
is
effective
leachate.
Colored
fluorescent
efficiently
degraded.
Heterogeneous
Fenton
are
involved
system.
