This
study
synthesized
carbonaceous
porous
TiO2
materials
by
calcining
MIL-125
under
an
argon
atmosphere
at
500°C.
The
pore
size
distribution
of
the
resultant
was
tailored
regulating
calcination
duration,
and
CT3
catalysts
calcined
for
3
h
exhibited
high
specific
surface
area
layered
structure,
enabling
complete
degradation
acetaminophen
in
solution
within
20
min
upon
activation
with
peroxynitrite
(PDS).
catalytic
system
exhibits
excellent
stability,
adaptability
to
a
wide
range
pH,
remarkable
environmental
adaptability.
Electron
paramagnetic
resonance
trapping
experiments
have
identified
superoxide
radicals
(•O2-)
singlet
oxygen
(1O2)
as
primary
reactive
species
CT3/PDS
system.
X-ray
photoelectron
spectroscopy
analysis
revealed
that
C=C
functional
group
crucial
activating
PDS.
In
addition,
liquid
chromatography-tandem
mass
spectrometry
employed
identify
potential
intermediates
via
system,
two
distinct
pathways
were
proposed.
toxicity
these
assessed
through
ECOSAR
prediction
soybean
seed
germination
assay,
revealing
decreased
progressively
prolonged
time.
provides
novel
approaches
insights
utilizing
MOFs-derived
carbon-based
activate
PDS
organic
contaminants.
Chemical Engineering Journal,
Год журнала:
2024,
Номер
493, С. 152494 - 152494
Опубликована: Май 23, 2024
This
study
addresses
the
growing
environmental
and
health
concern
associated
with
pharmaceutical
compounds
detected
in
wastewater
by
employing
an
innovative
environmentally
friendly
approach.
Polyphenol
reducing
agents
were
extracted
from
palm
petiole
(PP)
using
a
coffee
marker
to
synthesize
zero-valent
iron
nanoparticles
(P-NZVI)
sustainable
manner.
The
residual
PP
materials
after
extraction
used
prepare
eco-friendly
activated
carbon
(AC).
Subsequently,
syntetized
P-NZVIwere
integrated
AC
form
composite
AC-NZVI.
After
physical–chemical
characterization
of
developed
materials,
AC-NZVI
evaluated
as
catalysts
heterogeneous
electro-Fenton-like
(EFL)
process,
boron-doped
diamond
(BDD)
anode
carbon-felt
(CF)
cathode
enhance
antipyrine
(ATP)
degradation.
investigates
influential
factors
such
catalyst
dosage,
pH,
current
density,
scavengers'
presence
water
matrices
effect.
Results
showcase
remarkable
97
%
ATP
removal
efficiency
low
energy
consumption
(EC)
0.0683
kWh/g
over
60
min
EFL
deionized
1.4
g/L
at
density
10
mA/cm2.
Quenching
experiments
emphasize
hydroxyl
radicals
HO∙
predominant
species,
particularly
acidic
conditions.
Notably,
exhibits
high
efficiencies
even
real
wastewater,
achieving
87
removal.
confirms
recyclability
stability
five
cycles,
confirmed
comprehensive
analyses,
including
FTIR,
XPS,
Raman,
XRD,
mineralization
84
within
3
h.
Elucidation
degradation
pathway
is
accomplished
through
LC-MS.
IWA Publishing eBooks,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 12, 2024
Abstract
Detection
and
Treatment
of
Emerging
Contaminants
in
Wastewater
addresses
the
critical
pressing
need
for
effective
strategies
to
detect
treat
emerging
contaminants,
thereby
mitigating
risks
associated
with
their
presence
wastewater.
This
comprehensive
book
features
contributions
from
prominent
experts
field
wastewater,
providing
an
up-to-date
in-depth
collection
chapters
dedicated
tackling
this
issue.
Highlights:
The
serves
as
invaluable
resource
identifying,
assessing,
comprehensively
addressing
contaminants
wastewater
and/or
sludges.
It
delves
into
assessment,
mitigation,
treatment
various
including
microplastics,
antibiotic-resistant
genes,
pharmaceuticals,
personal
care
products
industrial
chemicals.An
exploration
behavior
microplastics
different
plants
accumulation
sludge,
shedding
light
on
potential
impact
environment.An
introduction
key
mechanisms
removal
pollutants
sludge
through
fungal-mediated
processes,
offering
innovative
solutions
treatment.An
investigation
fate
pharmaceutically-active
compounds
along
environmental
impacts.
Additionally,
accurate
quantification
procedures
these
are
discussed.The
covers
new
trends
development
greener
nanomaterials,
evaluating
performance
abating
With
its
insights
diverse
perspectives,
is
essential
guide
researchers,
professionals,
policymakers
engaged
management
protection.
practical
scientific
knowledge
presented
herein
will
contribute
significantly
safeguarding
our
water
resources
ensuring
a
cleaner
healthier
future.
ISBN:
9781789063745
(paperback)
9781789063752
(ebook)
(ePub)
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 5, 2025
Pharmaceuticals
and
their
transformation
products
(TPs)
in
wastewater
are
emerging
contaminants
that
pose
risks
to
ecosystems
human
health.
Here,
a
typical
period
marked
by
the
easing
of
"zero-COVID"
policy
December
2022,
resulting
unprecedented
infections
China,
was
chosen
illustrate
environmental
impact
pharmaceutical
usage
during
COVID-19
pandemic.
A
suspect
screening
workflow
developed
identify
pharmaceuticals
influent
effluent
from
treatment
plant
(WWTP)
peak
postpeak
periods
COVID-19,
integrating
medication
recommendations
TPs'
prediction.
total
114
TPs
were
identified
(13
detected
for
first
time
WWTP)
using
liquid
chromatography
coupled
with
high-resolution
mass
spectrometry
(LC-HRMS).
Wastewater-based
epidemiology
analysis
showed
most
predominant
nonsteroidal
anti-inflammatory
drugs.
Interestingly,
consumption
propafenone
increased
after
infection
peak,
possibly
linked
long
symptoms.
Risks
further
evaluated
based
on
concentration,
detection
frequency,
PMT
(persistence,
mobility,
toxicity)
properties,
revealing
aminopyrine,
acetaminophen,
etc.
even
greater
ToxPi
scores
than
parent
compounds.
This
study
highlights
elevated
posed
discharge
epidemics
necessity
monitoring.
