Residues
of
unused
antibiotics
Sulfamethoxazole
(SMZ)
and
Tetracycline
(TC)
in
wastewater
can
be
treated
by
photocatalytic
degradation.
In
this
approach,
a
magnetic
photocatalyst
known
as
aluminum
ferrite
(AlFeO3)
is
employed
to
assess
the
degradation
SMZ
TC
under
visible
light
conditions.
The
structural
functional
properties
co-precipitated
AlFeO3
with
four
different
surfactants
are
examined.
little-known
relevance
surfactant
usage
synthesis
its
characteristics
for
explored.
findings
indicate
that
catalyst
completely
(100%)
degrade
SMZ,
60
mins
study
proposes
distinct
pathway.
Despite
large
size
low
surface
area,
performed
well
due
potential
catalyst.
Further,
property
facilitates
recovery
reuse
post-degradation.
As
result,
Aluminium
emerges
promising
candidate
sunlight-driven
removal
targeted
pollutants
treatment.
Contamination
of
the
environment
with
large
amounts
residual
oxytetracycline
(OTC)
and
corresponding
resistance
genes
poses
a
potential
threat
to
natural
ecosystems
human
health.
In
this
study,
an
effective
OTC-degrading
strain,
identified
as
Achromobacter
denitrificans
OTC-F,
was
isolated
from
activated
sludge.
degradation
experiment,
rates
OTC
in
systems
without
biochar
addition
were
95.01–100%
73.72–99.66%,
respectively.
Biochar
promotes
biodegradation
OTC,
particularly
under
extreme
environmental
conditions.
Additionally,
toxicity
evaluation
experiments
showed
that
reduced
biotoxicity
proportion
living
cells
increased
by
17.36%
apoptotic
decreased
58.87%.
Metabolomic
analysis
revealed
promoted
secretion
antioxidant
substances
such
glutathione
tetrahydrofolate,
which
effectively
oxidative
stress
induced
OTC.
This
study
mechanism
at
molecular
level
provided
new
strategies
for
bioremediation
environment.
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 24, 2023
Abstract
Graphitic
carbon
nitride
(g-C
3
N
4
)
is
a
fresh
type
of
environmentally
friendly
photocatalytic
material
with
the
potential
to
degrade
pollutants
in
water.
In
particular,
g-C
(CN)
has
significant
characteristics
treatment
antibiotics,
which
attracted
extensive
attention
from
researchers.
However,
due
less
active
sites
and
fast
carrier
recombination
rate
resulting
block
morphology,
CN
unsatisfactory
performance
up
now.
Therefore,
this
paper,
thinner
smaller
nanosheets
more
slower
were
successfully
prepared
by
combination
P
element
doping
triple
calcination
modifications.
The
modified
1.5%
P-CN-3
not
only
2.24-fold
increase
degradation
ability
antibiotic
Tetracycline
(TC)
compared
pure
CN,
but
also
hydrogen
production
2268.27
µmol·g
−
1
·h
for
water
decomposition.
This
paper
provides
an
effective
approach
modification
CN.
Residues
of
unused
antibiotics
Sulfamethoxazole
(SMZ)
and
Tetracycline
(TC)
in
wastewater
can
be
treated
by
photocatalytic
degradation.
In
this
approach,
a
magnetic
photocatalyst
known
as
aluminum
ferrite
(AlFeO3)
is
employed
to
assess
the
degradation
SMZ
TC
under
visible
light
conditions.
The
structural
functional
properties
co-precipitated
AlFeO3
with
four
different
surfactants
are
examined.
little-known
relevance
surfactant
usage
synthesis
its
characteristics
for
explored.
findings
indicate
that
catalyst
completely
(100%)
degrade
SMZ,
60
mins
study
proposes
distinct
pathway.
Despite
large
size
low
surface
area,
performed
well
due
potential
catalyst.
Further,
property
facilitates
recovery
reuse
post-degradation.
As
result,
Aluminium
emerges
promising
candidate
sunlight-driven
removal
targeted
pollutants
treatment.
