Sustainability,
Journal Year:
2024,
Volume and Issue:
16(23), P. 10761 - 10761
Published: Dec. 8, 2024
The
presence
of
pharmaceuticals
in
aquatic
ecosystems
is
an
issue
increasing
concern.
Regardless
the
low
concentration
water,
they
can
have
a
toxic
effect
on
both
humans
and
organisms.
Advanced
oxidation
processes
(AOPs)
been
described
as
promising
technique
for
eliminating
due
to
their
high
efficiency.
However,
cost
associated
with
application
these
reagents
energy
requirements
affected
implementation
AOPs
at
large
scales.
Biochar
has
suggested
be
used
catalyst
overcome
limitations.
considered
alternative
heterogeneous
thanks
its
physicochemical
characteristics
like
specific
surface
area,
porous
structure,
oxygen-containing
functional
groups,
electrical
conductivity,
persistent
free
radicals
(PFRs),
modifiable
properties,
structure
defects.
This
carbonaceous
material
presents
capacity
activate
oxidizing
agents
leading
formation
radical
species,
which
are
needed
degrade
pharmaceuticals.
Additionally,
AOP/biochar
systems
destroy
pharmaceutical
molecules
following
non-radical
pathway.
To
enhance
biochar
catalytic
performance,
modifications
such
iron
(Fe)
impregnation,
heteroatom
doping,
supporting
semiconductors
surface.
Although
efficiently
combination
several
mineralization
from
further
research
must
conducted
evaluate
different
regeneration
techniques
increase
biochar’s
sustainable
applicability
reduce
operational
combined
process.
Moreover,
conditions
influencing
system
required
evaluated
discern
find
that
maximize
degradation
by
systems.
Journal of Optical Technology,
Journal Year:
2024,
Volume and Issue:
91(6), P. 410 - 410
Published: June 1, 2024
Subject
of
study.
This
study
investigates
Ag/ZnO
hybrid
photocatalysts
and
the
role
silver
nanoparticles
as
active
phase
these
after
treatment
with
low-temperature
plasma
generated
from
a
dielectric
barrier
discharge.
Aim
The
aim
is
to
determine
how
affects
optical
properties
morphology
in
well
explore
relationship
between
plasma-induced
morphological
changes
photocatalytic
activity
photodegradation
methyl
orange
caffeine.
Method
.
nanoparticle
ensembles
were
treated
discharge
air
at
normal
pressure.
performances
original
plasma-treated
materials
evaluated
through
degradation
caffeine
aqueous
solutions
under
ultraviolet
light,
concentrations
measured
by
spectrophotometry.
effects
modification
analyzed
using
photoluminescence
spectroscopy,
spectrophotometry,
atomic
force
microscopy.
Main
results.
A
reduction
size
agglomerates
was
observed,
accompanied
an
increase
number
individual
nanoparticles.
dependent
on
energy
duration
treatment.
Additionally,
ZnO-based
led
marked
fluorescence
lifetime
ZnO,
contributing
enhanced
organic
pollutants
media.
Practical
significance.
Improving
efficiency
for
removal
impurities
media
represents
significant
advancement
environmental
management.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(23), P. 10761 - 10761
Published: Dec. 8, 2024
The
presence
of
pharmaceuticals
in
aquatic
ecosystems
is
an
issue
increasing
concern.
Regardless
the
low
concentration
water,
they
can
have
a
toxic
effect
on
both
humans
and
organisms.
Advanced
oxidation
processes
(AOPs)
been
described
as
promising
technique
for
eliminating
due
to
their
high
efficiency.
However,
cost
associated
with
application
these
reagents
energy
requirements
affected
implementation
AOPs
at
large
scales.
Biochar
has
suggested
be
used
catalyst
overcome
limitations.
considered
alternative
heterogeneous
thanks
its
physicochemical
characteristics
like
specific
surface
area,
porous
structure,
oxygen-containing
functional
groups,
electrical
conductivity,
persistent
free
radicals
(PFRs),
modifiable
properties,
structure
defects.
This
carbonaceous
material
presents
capacity
activate
oxidizing
agents
leading
formation
radical
species,
which
are
needed
degrade
pharmaceuticals.
Additionally,
AOP/biochar
systems
destroy
pharmaceutical
molecules
following
non-radical
pathway.
To
enhance
biochar
catalytic
performance,
modifications
such
iron
(Fe)
impregnation,
heteroatom
doping,
supporting
semiconductors
surface.
Although
efficiently
combination
several
mineralization
from
further
research
must
conducted
evaluate
different
regeneration
techniques
increase
biochar’s
sustainable
applicability
reduce
operational
combined
process.
Moreover,
conditions
influencing
system
required
evaluated
discern
find
that
maximize
degradation
by
systems.
