The
process
of
producing
ternary
precursors
for
new
lithium
batteries
produces
industrial
wastewater
containing
high
concentrations
ammonia
nitrogen
and
metal
complexes,
which
requires
strict
treatment.
In
this
study,
a
simple
efficient
photocatalyst
with
excellent
adsorption
photocatalytic
properties
was
developed.
A
composite
combining
Al,
N
co-doped
carbon
nano-TiO2
prepared
by
the
solid-phase
dispersion
method.
samples
were
characterized
scanning
electron
microscopy
(SEM),
X-ray
diffraction
(XRD),
N2
adsorption–desorption
test,
UV-Vis
diffuse
reflectance
spectroscopy
(UV-Vis
DRS),
Energy
Dispersive
X-Ray
Spectroscopy
(EDS)
photoelectron
(XPS),
indicated
that
catalyst
had
specific
surface
area
strong
light
absorption
properties.
addition,
performance
treatment
precursor
investigated
varying
amount
Al
doping,
loading
nano-TiO2,
input,
changing
time.
results
suggested
3.0
g/L
carbon/nano-TiO2
achieved
91.45%
degradation
efficiency
removal
nickel
cobalt
99.11%
98.34%,
respectively.
EDS
XPS
analyses
showed
pollutants
in
eventually
degraded
to
oxides,
adsorbed
on
form
Ni2+
Co2+.
This
study
introduces
a
perylene
diimide
(PDI)
small
molecule
in
the
photocatalytic
degradation
of
antibiotics
for
first
time.
Initially,
we
optimized
its
photoelectric
performance
through
self-assembly
to
obtain
an
n-type
photocatalyst
(SA-PDI).
Subsequently,
WO3
and
Cu2O
were
incorporated
using
facile
one-step
method
prepare
n-n
type
n-p
organic-inorganic
hybrid
photocatalysts
(PDI-WO3
PDI-Cu2O).
approach
simultaneously
achieved
self-assembly,
metal
ion
doping,
inorganic
hybridization,
further
modulating
properties
materials.
Studies
indicated
that
PDI-WO3
operates
via
type-II
heterojunction
mechanism,
whereas
PDI-Cu2O
follows
S-scheme
mechanism.
SA-PDI
demonstrated
superior
efficiency
toward
tetracycline
hydrochloride
(TCH),
while
exhibited
enhanced
activity
both
TCH
doxycycline
(DOX).
In
contrast,
showed
higher
efficacy
ciprofloxacin
(CIP)
norfloxacin
(NOF).
These
differences
are
attributed
distinct
active
species
generated
by
each
catalyst,
aligning
with
requirements
specific
antibiotics.
Moreover,
since
all
three
materials
based
on
PDI
molecule,
they
inherently
compatible.
Consequently,
directly
mixed
these
composite
simultaneous
multiple
simulated
wastewater
system,
systematically
investigated
effects
ions,
humic
acid,
pH
effectiveness
treating
antibiotic
solutions.
Ultimately,
this
provides
novel
design
strategies
demonstrates
promising
potential
practical
applications
mitigating
contamination
real
systems.
