Water Resources and Industry,
Год журнала:
2024,
Номер
31, С. 100240 - 100240
Опубликована: Янв. 5, 2024
In
this
work,
the
influence
of
supporting
electrolytes
(sodium
sulfate
and
sodium
chloride)
on
electrochemical
oxidation
antihypertensive
drug
losartan
(LOS)
was
studied
under
different
operating
conditions
such
as
current
density
(4.1–12.5
mA
cm−2),
electrolyte
concentration
(0.05–0.5
M),
initial
pollutant
(250–1000
μg
L−1)
solution
pH.
The
role
cathodes
removal
LOS
has
been
investigated
using
five
with
carbonaceous
materials
showing
better
removal.
effect
matrix
composition
simulated
water
spiked
various
constituents
real
matrices
bottled
(BW)
wastewater
(WW).
pronounced
while
a
chloride
compared
to
electrolyte.
apparent
rate
constant
increased
adding
persulfate
(PS)
up
concentrations
150
mg
L−1
decreased
in
presence
bicarbonate
organic
matter.
transformation
products
(TPs)
formed
during
depended
two
common
TPs
were
identified
both
total
4
medium
7
medium.
Degradation
pathways
for
have
also
proposed.
Journal of Environmental Management,
Год журнала:
2023,
Номер
341, С. 118000 - 118000
Опубликована: Май 17, 2023
Multi-residue
methods
for
the
determination
of
myriad
compounds
emerging
concern
(CECs)
entering
in
environment
are
key
elements
further
assessment
on
their
distribution
and
fate.
Here,
we
have
developed
an
analytical
protocol
simultaneous
analysis
195
prescription,
over-the-counter,
illicit
drugs
by
using
a
combination
solid
phase
extraction
(SPE)
liquid
chromatography
coupled
to
high
resolution
mass
spectrometry
(LC-HRMS).
The
method
was
applied
influent
sewage
samples
from
3
wastewater
treatment
plants
(WWTPs)
Cadiz
Bay
(SW
Spain),
enabling
quantification
more
than
100
pharmaceuticals,
19
them
at
average
concentrations
higher
1
μg
L−1,
including
caffeine
(92
L−1),
paracetamol
(72
ibuprofen
(56
as
well
several
(e.g.,
cocaine).
Wastewater
based
epidemiology
(WBE)
27
detected
establish
consumption
sampling
area,
which
has
been
never
attempted
before.
Caffeine,
naproxen,
salicylic
acid
stood
out
because
(638,
51,
20
g
d−1·1000pop−1,
respectively).
Regarding
drugs,
cocaine
showed
highest
frequency
detection
estimated
3683
mg
d−1·1000pop−1
Bay.
new
HRMS
methods,
capable
discriminating
thousands
chemicals,
WBE
will
allow
comprehensive
characterization
chemical
substances
urban
environments
near
future.
Deleted Journal,
Год журнала:
2024,
Номер
44(4), С. 625 - 638
Опубликована: Май 20, 2024
Surface
waters
and
effluents
from
wastewater
treatment
plants
contain
micropollutants
derived
a
wide
variety
of
inorganic
organic
substances,
including
medications,
cosmetics,
agrochemicals.
Consequently,
monitoring
the
number
environmental
that
persist
is
current
priority.
This
article
gives
brief
history
these
contaminants
their
effects
on
water,
as
well
literature
review
topic
using
cheap
adsorbents
to
filter
out
most
common
kinds
surface
water.
Although
showed
impressive
adsorption
capacities
in
different
environments,
practical
use
treating
water
will
depend
aspects
like
production
cost,
recyclability,
competitiveness.
Environmental Toxicology and Chemistry,
Год журнала:
2025,
Номер
44(2), С. 397 - 409
Опубликована: Янв. 6, 2025
This
study
assesses
the
occurrence
of
emerging
contaminants
(ECs)
from
agricultural
and
livestock
production
activities
along
Salado
River
(Santa
Fe
province,
Argentina).
Of
23
ECs
studied,
8
were
detected
quantified
in
river
wastewater
samples,
including
ciprofloxacin,
enrofloxacin,
chlorpyrifos-methyl,
albendazole,
fenbendazole,
levamisole,
diazepam,
thiamethoxam.
In
highest
concentrations
corresponded
to
enrofloxacin.
thiamethoxam
found.
The
detection
frequency
ranged
4.2%
54.2%
samples
11.1%
22.2%
samples.
spatial
distribution
showed
different
concentrations,
with
higher
levels
often
found
near
urban
areas,
suggesting
anthropogenic
sources.
Ecological
risk
assessments
for
organisms
conducted.
Ciprofloxacin
posed
risk,
especially
affecting
bacteria,
cyanobacteria,
algae.
Diazepam
also
was
pose
significant
risks
algae,
crustaceans,
fishes.
Chlorpyrifos-methyl
identified
as
highly
hazardous
multiple
living
organisms,
which
is
agreement
fish
mortality
that
occurred
at
sampling
sites.
assessment
humans
differences
among
children,
adolescents,
adults,
infants
(6
months
1
year)
being
a
than
adults.
Children
may
be
daily
intake
raising
concerns
about
long-term
effects
exposure.
work
underscores
critical
need
monitoring
regulating
aquatic
environments.
Further
studies
are
necessary
fully
understand
their
impact
develop
effective
strategies
mitigating
presence
water
systems.
Applied Sciences,
Год журнала:
2025,
Номер
15(3), С. 1418 - 1418
Опубликована: Янв. 30, 2025
Contaminants
of
emerging
concern
(CECs)
in
water,
including
pharmaceuticals
and
personal
care
products,
represent
a
significant
threat
to
environmental
human
health.
In
this
context,
the
electro-Fenton
(EF)
process
has
emerged
as
highly
effective
technique
for
removal
such
pollutants.
This
study
investigates
innovative
use
tea
waste
material
(TWM)
combination
with
copper-iron
nanoparticles
(FeCuNPs)
degrade
mixture
CECs.
A
central
aspect
research
is
sustainable
reuse
organic
material,
TWM,
support
catalytic
nanoparticles.
approach
not
only
utilizes
resource
that
would
otherwise
be
discarded
but
also
promotes
sustainability
treatment
contaminated
aligning
principles
circular
economy.
The
as-prepared
FeCuNPs@TWM
catalyst
was
fully
characterized,
critical
parameters
influencing
pollutant
were
assessed,
adsorption
capacity,
load,
applied
current.
Under
optimized
conditions,
EF
process,
enhanced
by
FeCuNPs@TWM,
achieved
complete
degradation
contaminants
within
15
min
electrochemical
activity
remained
after
five
cycles.
Results
demonstrate
using
functionalized
FeCu
improves
efficiency
offers
an
eco-friendly
cost-effective
alternative.
