International Journal of Environmental Research and Public Health,
Год журнала:
2022,
Номер
19(24), С. 16945 - 16945
Опубликована: Дек. 16, 2022
As
the
concept
of
green
development
spreads
worldwide,
environmental
protection
awareness
for
production
and
life
has
been
continuously
strengthened.
Antibiotic
residues
in
aquaculture
wastewaters
aggravate
pollution
threaten
human
health.
Therefore,
detection
residual
antibiotics
wastewater
is
crucial.
In
this
paper,
a
new,
simple,
low-cost
method
based
on
glassy
carbon
electrode
electrochemical
sensor
sulfadiazine
was
developed
without
using
complex
materials
to
modify
surface,
detect
which
electrochemically
oxidizes
directly.
The
performance
studied
optimized
with
differential
pulse
voltammetry
cyclic
three-electrode
system.
optimal
electrolyte
acetic
acid-sodium
acetate
buffer,
pH
4.0.
Finally,
conditions,
newly
established
showed
satisfactory
results
detecting
wastewater.
concentration
peak
current
intensity
linear
relationship
range
20
300
μmol/L,
limit
6.14
recovery
rate
standard
addition
87–95%,
reproducibility
low
interference.
Catalysts,
Год журнала:
2025,
Номер
15(4), С. 363 - 363
Опубликована: Апрель 8, 2025
Despite
ongoing
research
into
technologies
for
the
removal
of
antibiotics
from
contaminated
water,
there
is
a
necessity
to
provide
cost-effective
water
treatment
solution.
In
this
study,
activation
sodium
percarbonate
(SPC)
by
pegmatite
soils
ultrasonicated
(US)
has
been
used
degrade
fluoroquinolone
antibiotics,
such
as
levofloxacin
(LVFX),
in
water.
The
soil
characterized
before
application
using
instruments
XRF,
SEM-EDX,
and
XRD,
where,
according
XRF
XRD
analyses,
contained
mainly
FeIII
(59.8
g.kg−1)
iron
oxide
(goethite).
After
characterization,
material
was
application,
where
efficiency
LVFX
SPC/US/Pegmatite
system
under
optimal
conditions
(i.e.,
[LVFX]
=
60
µmol
L−1,
[Pegmatite]
0.75
g.
[SPC]
L−1)
95%
with
57%
mineralization,
while
degradation
90.7%.
Scavengers’
experiments
showed
involvement
OH•,
O2•−,
CO3•−
LVFX,
strongest
implication
OH•
57.33%)
process.
system’s
reusability
catalytic
capability
have
determined
be
satisfactory,
through
washing
drying
operations
reuse
fresh
oxidation
cycle.
This
remediation
method
shown
promising
approach
removing
Journal of Plant Nutrition and Soil Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 13, 2025
ABSTRACT
Background
Sulfonamide
antibiotics
have
been
discovered
as
emerging
pharmaceutical
pollutants
worldwide
and
are
only
poorly
removed
in
wastewater
treatment.
At
the
landscape
level,
peat
soils
significant
water
collectors
and,
thus,
sinks
for
organic
pollutants.
However,
fate
of
pharmaceutically
active
contaminants
soil
is,
yet,
largely
unclear.
Aim
Factors
regulating
sorption
a
dominant
process
that
influences
filtering
buffering
sulfonamides
sulfadiazine
(SDZ)
sulfamethoxazole
(SMX)
different
were
investigated.
Methods
The
SDZ
SMX
was
investigated
batch
experiments
using
with
physicochemical
properties
under
land
use,
including
sustainable
wet
peatland
cultivation
(paludiculture).
Results
Sorption
K
d
values
ranged
from
21.39
to
102.8
mL
g
−1
11.23
107.3
SMX.
Soil
pH,
carbon
content,
C/N
ratios
significantly
correlated
sulfonamides.
Non‐linear
regression
analyses
showed
Freundlich
isotherm
model
generally
best
suited
describe
both
(0.54
≤
R
0.98).
n
1
sulfonamides,
indicating
co‐mechanistic
opposed
partitioning
alone.
A
quantitative
structure–property
relationship
(QSPR)
constructed
predict
good
cross‐validated
performance
(
2
adj
=
0.79,
root
mean
squared
error
[RMSE]
8.71).
Conclusions
sorptive
capacities
higher
than
those
many
terrestrial
soils.
quantity
stoichiometric
matter
fraction,
well
pH
conditions,
affect
ability
immobilize
these
antibiotics.
