Processes,
Journal Year:
2024,
Volume and Issue:
12(12), P. 2670 - 2670
Published: Nov. 26, 2024
Chloramphenicol
antibiotics
(CAPs)
are
broad-spectrum
antibiotics,
and
excessive
consumption
has
led
to
increasingly
dangerous
residues
in
the
environment.
The
accumulation
of
these
highly
toxic
difficult-to-biodegrade
CAPs
their
long-term
exposure
ecological
environments
can
pose
insidious
hazards
human
health
aquatic
organisms.
In
this
study,
co-carbon
composite
nanocatalysts
(CoxZn10−x-NC)
with
many
carbon
nanotubes
on
surface
were
prepared
via
one-step
pyrolysis
bimetallic
CoxZn10−x-ZIF
different
Co/Zn
ratios
used
for
degradation
trace
amounts
a
water
column.
microstructure
chemical
composition
catalysts
fully
characterized
using
SEM,
TEM,
XPS.
CAP
experiments
demonstrated
that
Co6Zn4-NC
CoxZn10−x-NC
possessed
highest
catalytic
activity
level,
removing
100%
60
min.
had
corresponding
reaction
rate
constant
0.22
min−1,
was
able
completely
mineralize
44.57%
them.
Doping
moderate
Zn
effectively
improve
nanotube
structure
catalyst
promote
generation
monoatomic
Co,
thus
improving
activity.
results
free-radical
burst
electron
paramagnetic
resonance
(EPR)
showed
pathway
mainly
dominated
within
Co6Zn4-NC+PMS
system,
which
SO4•−
main
ROS
degradation.
