Direct
electron
transfer
and
the
involvement
of
atomic
hydrogen
(H*)
are
considered
main
mechanisms
for
reductive
dechlorination
promoted
by
nano
zero-valent
iron
(nZVI)
supported
on
highly
conductive
carbon.
It
is
still
unclear
how
precisely
H*,
specific
surface
area,
electrochemical
characteristics
contribute
to
BC-nZVI
activity
in
chlorinated
hydrocarbon
contaminant
removal.
In
this
study,
contributions
area
performance
H*
generation
have
been
assessed.
The
results
demonstrated
that
elimination
TCE
was
not
significantly
affected
differences
but
sustained
were
dependent
catalyst
characteristics.
This
study
focuses
role
provides
a
theoretical
foundation
experimental
support
practical
application
BC-nZVIs.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(20), P. 18999 - 19009
Published: Oct. 11, 2023
In
recent
years,
the
development
and
application
of
semiconductor
materials
with
excellent
photocatalytic
properties
have
been
paid
wide
attention
in
addressing
issue
water
pollution.
Hollow
nanospheres
titanium
dioxide
(TiO2),
doped
Fe
ions,
fabricated
through
hard
template
method
for
degradation
organic
pollutants.
The
hierarchical
were
synthesized
using
hydrothermal
carbon
spheres
as
a
template,
resulting
an
average
diameter
about
200
nm,
mesoporous
structure
characterized
by
remarkably
large
specific
surface
area,
uniform
dispersion
on
hollow
TiO2.
this
study,
effect
operating
parameters
such
catalyst
concentration
environmental
conditions
rhodamine
dyes
catalysts
was
investigated.
optimal
dopant
content
TiO2
2.0%,
exhibiting
highest
activity
recyclability
under
ultraviolet
(UV)
light
irradiation.
It
can
be
attributed
to
double
effects
oxygen
vacancy
(OV)
defect
produced
ion
modification
more
active
site
structure.
results
show
that
Fe–TiO2
composites
used
effective
photocatalysts
mineralize
toxic
dye
molecules
from
wastewater.
