Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
The
escalating
utilization
of
dyes
and
the
subsequent
discharge
dye
wastewater
have
resulted
in
severe
pollution,
necessitating
urgent
development
innovative
treatment
technologies.
This
article
presents
design
a
novel
catalyst
comprising
brucite
loaded
with
nitrogen-deficient
carbon
nitride
nanosheets
(FBCN)
to
activate
PMS
for
degradation
MB
wastewater.
effects
brucite-to-urea
ratio,
dosage,
concentration,
pH
value,
reaction
temperature,
natural
organic
matter
anions,
reusability
on
were
investigated.
Under
optimal
conditions,
12.5%FBCN/PMS
system
achieved
complete
(100%)
10
mg/L
within
5
min,
significant
improvement
compared
FB-600/PMS
g-C3N4/PMS
systems.
enhanced
catalytic
activity
can
be
attributed
interaction
between
hydroxyl
groups
surface
amine
derived
from
urea,
which
accelerates
formation
double
nitrogen
defects
(N
vacancies
cyano
groups)
g-C3N4
thereby
greatly
enhancing
activation
efficiency.
In
addition,
excellent
performance
12.5%FBCN
originated
its
unique
combination
enhance
electron
transfer
g-C3N4.
also
generates
singlet
oxygen
radicals
(1O2),
(·OH),
sulfate
(SO4·-),
among
1O2
is
identified
as
being
predominantly
responsible
degradation.
study
offers
new
approach
designing
efficient
activators
environmental
remediation.
