ABUAD Journal of Engineering Research and Development (AJERD),
Год журнала:
2024,
Номер
7(2), С. 352 - 363
Опубликована: Сен. 24, 2024
The
public
health
and
environmental
protection
have
been
facing
a
great
challenge
for
efficient
antibiotics'
adsorption
from
aqueous
solution.
In
this
work,
carbon
dots
nanoparticle
biomass
(fish
scale)
was
synthesized
employed
antibiotic
adsorption.
fish
scale
(FCD)
were
characterized
by
means
of
the
X-ray
diffraction
(XRD),
Scanning
Electron
Microscopy
(SEM)
Fourier
transform
infrared
(FTIR)
analyses.
Experiments
on
performed
to
examine
capability
adsorbent
Levofloxacin.
optimum
conditions
ascertained
through
use
Response
Surface
Methodology
(RSM)
design
increase
effectiveness
levofloxacin
removal,
there
96.03%
removal
efficiency
60
minutes
contact
time,
10
mg/L
concentration
FCD
dosage
0.2
g/L.
Also,
experiments
indicated
that
at
lowest
mg/L,
time
45
min
0.15
mg
rate
high.
For
kinetics
data,
pseudo-second
order
model
best
fit
data.
Furthermore,
Redlich-Peterson
isothermal
data
best.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
317, С. 100258 - 100258
Опубликована: Янв. 1, 2024
The
global
challenges
of
clean
water
access
and
security
are
a
growing
concern,
along
with
wastewater
being
major
source
pollution.
Innovative
approaches
to
remediate
contaminants
needed.
However,
sustainable
development
requires
innovative
from
their
source.
In
the
last
decade,
extensive
research
has
been
conducted
worldwide
improve
conventional
technologies
for
treatment.
Recent
strategies
include
adsorption,
advanced
oxidation,
biodegradation,
membrane
filtration.
no
technology
can
effectively
remove
contaminants,
hybrid
systems
more
promising.
This
review
provides
comprehensive
overview
characteristics
organic
pollutants
degradation
using
various
physical,
chemical,
biological
strategies.
Indeed,
treatment
such
as
nanotechnology
artificial
intelligence
be
considered
planning
designing
modern
plants.
studies
have
indicated
that
compelling
than
single
enhancing
process
efficiency.
discussions
anticipated
lay
foundations
future
improvements
in
could
emerge
promising
minimize
toxicity
allow
safe
reuse
water.
Abstract
Fabricating
effective
levofloxacin
sensors
is
essential
for
monitoring
pharmaceutical
and
environmental
residues.
This
work
presents
a
novel
trine
nanocomposite
prepared
by
hydrothermal
treatment
of
MoS
2
,
MXene,
Fe(OH)
3
sensing
levofloxacin.
The
successful
preparation
this
was
confirmed
characterizing
it
with
different
techniques,
including
HR–TEM,
XPS,
XRD,
FTIR,
Raman
Zeta
potential
analyses.
as‐prepared
composite
used
as
an
electrochemical
probe
to
detect
Fe
O
4
─MoS
@MXene
modified
glassy
carbon
electrode
showed
good
response
using
differential
normal
pulse
voltammetry
within
linear
range
6
µM–17
µM.
limit
detection
found
be
900
nM,
the
interaction
analyte
fabricated
observed
diffusion‐controlled
process.
findings
investigation
demonstrate
application
sensor,
paving
way
further
investigations
into
fabrication
reliable
platforms
antimicrobial
pollutants
present
in
environment.
Chemical Engineering Journal Advances,
Год журнала:
2024,
Номер
18, С. 100602 - 100602
Опубликована: Апрель 8, 2024
This
study
evaluates
the
effectiveness
of
iron-modified
biochar
(Fe-BC)
in
fixed-bed
heterogeneous
Fenton
processes
for
levofloxacin
(LFX)
removal,
a
widely-used
fluoroquinolone
antibiotic.
The
objective
is
to
optimize
parameters
such
as
pH,
oxidants
(H2O2
and
S2O82−),
forms
(functionalized
raw)
using
factorial
analysis
mixed
data
(FAMD)
response
surface
methodology
(RSM).
These
optimizations
identified
ideal
conditions
maximal
LFX
removal.
most
effective
removal
with
Fe-BC
occurred
at
2.5
mM
H2O2
pH
7.5,
while
optimal
S2O82−
were
1.6
2.8.
Both
raw
(RBC)
showed
highest
adsorption
5.8.
In
adsorption-only,
RBC
reduced
530
μg/L
335
μg/L,
respectively,
60
minutes.
oxidation
process
further
decreased
levels
between
8.9
0.1
H2O2,
respectively.
research
expanded
upon
kinetic
model,
incorporating
calculation
constants
both
processes,
deepen
our
understanding
intricate
degradation
dynamics
play.
Identifying
by-products
was
crucial
elucidating
pathways.
findings
are
vital
environmental
remediation,
demonstrating
efficiency
removing
harmful
antibiotics
from
water.
highlights
potential
modified
clean-up,
especially
water
contaminated
antibiotics.
results
emphasize
importance
optimizing
treatment
antibiotic
contributing
valuable
insights
field
remediation.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 1, 2024
Abstract
Constructing
a
novel
photocatalyst
to
realize
both
pollutant
oxidation
and
evolved
CO
2
reduction
in
one
photoredox
cycle
can
significantly
reframe
the
role
of
management.
Here,
self‐floating
poly(bismaleimide‐co‐divinylbenzene)
porous
microspheres
(PBMs)
are
filled
with
ZnSnO
3
quantum
dots
(ZSO
QDs)
construct
polymer
composite
microreactor
an
S‐scheme
heterojunction
QDs/AP‐PBMs).
This
realizes
efficient
catalytic
degradation
antibiotic
pollutants
under
light,
generated
this
process
is
reduced
high
value‐added
CO,
allowing
for
direct
conversion
resource
cycle.
The
specific
surface
area
PBMs
enables
rapid
adsorption
levofloxacin
(LVX),
design
effectively
solves
problem
mass
transfer
gas–liquid–solid
three‐phase
system,
while
heterostructure
enhances
charge
carrier
separation.
As
result,
ZSO
QDs/AP‐PBMs
achieves
complete
LVX
redox
100%
selectivity
produce
100.3
µmol
g
−1
further
draw
conclusion
that
fluoroquinones
antibiotics
as
excellent
electron
donors
enhance
co‐catalytic
effect
,
which
not
previously
reported.
Theoretical
calculations
characterization
experiments
provide
information
on
mechanism
possible
pathways,
rational
bifunctional
catalysts.
Environmental Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 13
Опубликована: Окт. 10, 2024
Polyhydroxybutyrate
(PHB)
is
considered
as
a
hope
for
bioplastic
production,
which
can
serve
sustainable
alternative.
Utilizing
feedstock
substrate
widely
explored
the
production
but
wood
waste,
abundant
in
cellulose,
hemicellulose
and
lignocellulose,
has
limited
studies
PHB
production.
Herein,
waste
used
biobased
Hydrolyses
of
was
done
using
sulphuric
acid
(H
The Scientific World JOURNAL,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
Many
techniques
are
used
for
the
treatment
of
wastewater,
including
physical,
chemical,
biological,
physiochemical,
and
biophysical
methods.
Advanced
oxidation
processes
(AOPs),
a
chemical
approach,
key
procedure
wastewater
treatment.
AOPs
applied
to
nonbiodegradable
effluents,
using
less
energy
chemicals
while
producing
completely
biodegradable
intermediate
sample
that
can
then
undergo
additional
remove
all
organic
matter.
The
be
photochemical,
sonochemical,
or
electrochemical.
Photochemical
reactions
accelerate
breaking
down
pollutants
photocatalyst
absorbs
light
serves
as
catalyst
operations.
There
lot
photocatalysts
in
water
purification,
such
TiO
2
,
ZnO,
ZrO
CdS,
CeO
ZnS,
FeO,
Fe
O
3
SnO
WO
most
them
at
nanoscale.
This
article
analyzes
covers
main
aspects
nanoparticles
purification
wastewater.
It
application
mechanisms
solar
photodegradation
iron
oxide
(Fe
)
photocatalysts.
shows
nanoparticle
synthesis
methods
introduces
advantages
disadvantages
each
technique.
review
makes
comparisons
between
photocatalytic
membrane
reactor
suspended
system,
well
upcoming
challenges
opportunities
related
these
processes.
provides
researchers
with
different
perspective
on
photocatalysis
outcomes
might
attained
when
incorporated
into
various
systems.
