Water,
Год журнала:
2024,
Номер
16(24), С. 3567 - 3567
Опубликована: Дек. 11, 2024
Bisphenol
A
(BPA)
and
diclofenac
(DCF)
are
among
the
most
prevalent
micropollutants
in
aquatic
environments,
with
concentrations
reaching
up
to
several
hundred
µg/L.
These
compounds
pose
significant
risks
biodiversity
environmental
health,
necessitating
development
of
effective
removal
methods.
However,
both
BPA
DCF
can
be
resistant
conventional
treatment
technologies,
highlighting
need
for
innovative
approaches.
Electrochemical
oxidation
(EO)
has
emerged
as
a
promising
solution.
In
this
study,
we
assessed
effectiveness
EO
using
boron-doped
diamond
(BDD)
anodes
remove
from
two
types
treated
wastewater
(TWW-W
TWW-D)
landfill
leachate
(LL).
The
evaluation
included
an
analysis
efficiency
identification
transformation
products
generated
during
process.
Additionally,
feasibility
EO-BDD
process
ammonium
nitrogen
(N-NH4+)
organic
present
these
matrices
was
investigated.
achieved
remarkable
efficiencies,
reducing
by
over
96%
LL
TWW-W.
Transformation
product
analyses
identified
four
intermediates
formed
parent
Furthermore,
effectively
removed
chemical
oxygen
demand
(COD)
LL,
although
weaker
results
were
observed
TWWs.
findings
underscore
potential
method
challenging
matrices,
such
containing
micropollutants.
It
also
shows
promise
complementary
technology
enhancing
current
methods,
especially
biological
degradation.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 9, 2025
Paracetamol
(PCT)
frequently
contaminates
natural
water
sources,
posing
potential
risks
to
both
human
health
and
ecosystems.
This
study
presents
a
computational
investigation
into
the
sensing
capabilities
of
methylene-bridged
[n]cycloparaphenylene
([n]MCPP,
where
n=
6,
8,
10)
nanorings
for
detection
paracetamol
using
density
functional
theory
(DFT)
calculations.
It
was
found
that
stability
PCT@[n]MCPP
complexes
increases
with
size
[n]MCPP
nanorings.
The
energy
gap
is
significantly
influenced
by
presence
PCT
drug,
most
substantial
change
(-44.79%)
observed
PCT@6MCPP
complex.
Additionally,
non-covalent
interaction
(NCI)
analysis
reveals
van
der
Waals
forces
predominantly
govern
interactions
between
calculated
short
recovery
times
favorable
sensor
response
factors
at
298
K
suggest
can
be
used
as
promising
materials
paracetamol.
These
findings
underscore
valuable
candidates
identifying
eliminating
drug
from
environment.
Molecules,
Год журнала:
2024,
Номер
29(2), С. 463 - 463
Опубликована: Янв. 17, 2024
The
long-term
presence
of
PPCPs
in
the
aqueous
environment
poses
a
potentially
significant
threat
to
human
life
and
physical
health
safety
water
environment.
In
our
previous
work,
we
investigated
low-cost
pitch-based
HCP
adsorbents
with
an
excellent
adsorption
capacity
magnetic
responsiveness
through
simple
one-step
Friedel–Crafts
reaction.
this
further
behavior
prepared
onto
three
PPCP
molecules
(DFS,
AMP,
antipyrine)
detail.
maximum
P-MPHCP
for
DFS
was
444.93
mg
g−1.
equilibrium
kinetic
processes
were
well
described
Langmuir
model
proposed
secondary
model.
negative
changes
Gibbs
free
energy
enthalpy
reflected
that
HCPs
spontaneous
exothermic
process.
recoverability
results
showed
MPHCP
remained
above
95%
after
10
adsorption–desorption
cycles.
present
work
demonstrates
these
can
be
used
multiple
applications,
which
have
very
extensive
practical
application
prospect.
Catalysts,
Год журнала:
2024,
Номер
15(1), С. 4 - 4
Опубликована: Дек. 24, 2024
Zinc
oxide
nanoparticles
(ZnO
NPs)
were
synthesized
using
a
simple
and
eco-friendly
precipitation
method,
employing
capping
agent
derived
from
chia
seeds
(Salvia
hispanica).
X-ray
diffraction
(XRD)
analysis
confirmed
the
formation
of
ZnO
with
hexagonal
crystal
structure
an
average
crystallite
size
less
than
30
nm.
Scanning
electron
microscopy
(SEM)
revealed
distinct
quasi-spherical
nanorod-like
morphologies,
while
energy-dispersive
spectroscopy
(EDX)
verified
presence
zinc
oxygen.
Diffuse
reflectance
(DRS)
indicated
significant
activity
in
UV
region,
exhibiting
band
gap
3.25
eV.
The
photocatalytic
efficiency
NPs
was
evaluated
through
their
ability
to
degrade
diclofenac
sodium
(DCF)
para-nitrophenol
(4-nitrophenol,
PNP)
under
UV-LED
irradiation,
achieving
pollutant
removal
rates
exceeding
98%.
degradation
mechanism
is
clarified
by
detailed
characterization
reaction
intermediates.
These
findings
highlight
potential
seed
extract
for
effective
environmental
remediation
pharmaceutical
organic
pollutants.
