ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
Antibiotics
(ANTs)
deep
purification
using
pyrolytic
carbons
(PyCs)
has
been
demonstrated
as
a
promising
strategy.
Since
PyCs
structural
modification
is
the
key
to
enhancing
their
capacity,
underlying
mechanisms
need
be
further
clarified.
Here,
three
nitrogen-doped
porous
with
solid-sphere,
hollow-sphere,
and
bowl-shape
were
prepared
soft-template-KHCO3
copyrolysis
method.
The
bowl-shaped
bNPyC,
BET/micropore
surface
area
of
2072.79/1415.9
cm2/g,
showed
highest
adsorption
capacity
for
sulfamethoxazole
(SMZ,
Qfitted,
max
=
5.44)
ciprofloxacin
(CIP,
3.23
mmol/g)
rapid
equilibrium.
Despite
slight
N
doping
(0.69%),
SMZ/CIP
on
bNPyC
improved
significantly
48.6%/64.2%.
Additionally,
outperformed
other
reported
in
Q/N
exposure
value.
exhibited
excellent
performance
ANTs
across
wide
pH
range
2–10,
particularly
CIP.
interactions
semiquantitatively
identified
by
probe
competition
experiments
confirmed
spectra
characterizations
density
functional
theory
calculations.
Mechanism
analysis
revealed
that
facilitates
not
only
π–π
EDA
but
also
charge-assisted
H-bond
between
ANTs.
anti-interference
properties,
recyclability,
universality
removal
demonstrated.
These
findings
may
guide
design
deepen
our
understanding
structure–property
mechanism
ANT
PyCs.
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(2), P. 112015 - 112015
Published: Jan. 28, 2024
A
carbonaceous
material
was
prepared
from
industrial
wastes
(sawdust),
modified
with
manganese
to
form
SW-Mn,
and
tested
activate
peroxymonosulfate
(PMS)
under
the
influence
of
ultrasound
(US)
at
frequencies
40
kHz
375
kHz.
This
activation
aimed
degrade
relevant
antibiotic
ciprofloxacin
in
water.
SW-Mn
characterized
through
spectroscopic,
thermal,
textural,
electrochemical
techniques.
The
sonocarbocatalytic
system
(i.e.,
carbocatalysis
using
assisted
by
kHz)
synergistically
degraded
target
pollutant,
exhibiting
diverse
oxidizing
properties.
metallic
species
underwent
oxidation
=Mn2+
changed
=Mn4+)
PMS
action,
same
time,
activated
producing
singlet
oxygen
(1O2).
Moreover,
low-frequency
caused
particle
disaggregation
making
more
available
active
sites
on
enhancing
elimination
ciprofloxacin.
generated
1O2
attack
=Mn4+
transformed
piperazyl
ring
modifying
biological
activity
As
a
result,
sonocarbocatalysis
reduced
both
antimicrobial
phytotoxicity
pollutant.
Furthermore,
treatment
induced
100%
degradation
irrigation
crop
water,
requiring
only
5
min
sonocarbocatalysis,
even
faster
than
distilled
which
associated
effects
matrix
components.
study
demonstrates
suitability
materials
derived
sawdust
Mn
act
as
catalysts
improvement
performance
carbocatalytic
process
waves
toward
water
samples.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(8), P. 1066 - 1066
Published: April 11, 2024
The
recycling
of
plastic
packaging
wastes
helps
to
alleviate
the
problems
white
pollution
and
resource
shortage.
It
is
very
necessary
develop
high-value
conversion
technologies
for
wastes.
To
our
knowledge,
carbon
materials
with
excellent
properties
have
been
widely
used
in
energy
storage,
adsorption,
water
treatment,
aerospace
functional
packaging,
so
on.
Waste
biomass
are
precursor
due
their
rich
sources
high
content.
Thus,
from
waste
attracts
much
attention.
However,
closely
related
reviews
lacking
up
now.
In
this
work,
pyrolysis
routes
carbons
influence
factors
were
analyzed.
Additionally,
applications
these
obtained
summarized.
Furthermore,
limitations
current
technology
put
forward
research
prospects
forecasted.
Therefore,
review
can
provide
a
useful
reference
guide
on
carbon.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
317, P. 100268 - 100268
Published: Jan. 1, 2024
In
this
study,
the
applicability
of
adsorbent
Chitosan@Fe2(MoO4)3
nanocomposite
was
employed
as
a
novel
for
removing
Reactive
red198
dye
from
wastewater.
Identical
techniques,
including
BET,
FT-IR,
pH
zero,
and
SEM,
have
to
characterize
unknown
material,
effect
initial
concentration
(2-50
mgL-1),
with
temperature
(298-308°K)
on
adsorption
potential
analyzed
in
batch
system.
The
variables'
impacts
include
concentration,
adsorbent,
pH,
time
(10
mgL-1,
0.15
g,
4.0,
40.0
min).
Based
received
data,
mechanism
agrees
well
Langmuir
model
isotherm
(qm,
exp
≈
qm,
cal=
69.0
mgg-1),
pseudo-second-order
kinetics
(R2:
0.998).
results
thermodynamic
parameter
showed
negative
enthalpy
(-
2.92
kJ
mol-1),
Gibbs
free
energy
(-15.25
entropy
(-39.28
K-1
mol-1).
This
led
conclusion
that
process
is
energetically
possible,
exothermic
also
spontaneous.
values
at
optimized
conditions
indicated
commercially
viable
route
optimal
removal
dyes
industrial
great
an
affordable
efficient
treating
Chemical Engineering Communications,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 35
Published: Jan. 7, 2025
The
escalating
prevalence
of
emerging
contaminants,
notably
pharmaceutical
and
personal
care
products
(PPCPs),
poses
a
significant
threat
to
global
freshwater
reservoirs,
environmental
equilibrium,
human
well-being.
Trace
amounts
these
micropollutants
persist
within
aquatic
environments,
posing
challenges
in
their
detection,
analysis,
wastewater
remediation
using
conventional
approaches.
Enhanced
tertiary
treatments
(ETTs),
encompassing
methods
such
as
adsorption
on
activated
carbon
(AAC),
advanced
oxidation
processes
(AOP),
membrane
separation
process
(MSP),
have
been
introduced
address
challenges.
This
review
underscores
the
pressing
necessity
for
economical
efficacious
alternatives,
with
particular
focus
polymeric
technology
membrane-based
treatment.
approach
demonstrates
cost-effectiveness,
facile
production,
excellent
pollutant
selectivity.
Furthermore,
paper
explores
viability
utilizing
agricultural
waste
an
alternative
adsorbent
material
adsorption-membrane
hybrid
systems.
Introducing
innovative
approach—adsorption-membrane
waste—this
advances
beyond
existing
literature.
By
leveraging
alongside
unique
attributes
adsorbents,
this
strategy
aims
enhance
efficacy
Noteworthy
its
comprehensive
exploration
precursors
derived
from
waste,
presents
novel
promising
avenue
treatment
advancement.
