RSC Advances,
Год журнала:
2024,
Номер
14(48), С. 35993 - 36004
Опубликована: Янв. 1, 2024
Non-homogeneous
ozone-catalyzed
oxidation
technology
is
one
of
the
effective
ways
treating
wastewater,
core
which
lies
in
development
efficient
ozone
catalysts.
This
work
proposes
design
and
synthesis
an
Cu/Mn/Ce
multi-metal
composite
oxide
catalyst
by
metal
salt
precursor
mixing-direct
granulation.
The
effect
doping
on
properties
was
compared
using
Density
function
theory
(DFT)
calculations,
co-doping
showed
significant
charge
accumulation
with
a
low
ozonolysis
energy
barrier,
more
favorable
for
generation
reactive
oxygen
species.
successful
loading
main
active
components,
such
as
Mn,
Cu,
Ce,
clarified
systematic
characterization
X-ray
diffraction
(XRD),
photoelectron
spectroscopy
(XPS),
scanning
electron
microscopy
(SEM),
dispersive
(EDS)
Brunauer-Emmett-Teller's
test
(BET),
chemical
demand
(COD)
removal
could
reach
than
60%
simulated
wastewater.
paramagnetic
resonance
(EPR)
that
degradation
organic
pollutants
mainly
dominated
combination
single-linear
superoxide
radicals
catalytic
process,
possible
mechanism
proposed.
advances
non-homogeneous
technology.
RSC Advances,
Год журнала:
2024,
Номер
14(48), С. 35993 - 36004
Опубликована: Янв. 1, 2024
Non-homogeneous
ozone-catalyzed
oxidation
technology
is
one
of
the
effective
ways
treating
wastewater,
core
which
lies
in
development
efficient
ozone
catalysts.
This
work
proposes
design
and
synthesis
an
Cu/Mn/Ce
multi-metal
composite
oxide
catalyst
by
metal
salt
precursor
mixing-direct
granulation.
The
effect
doping
on
properties
was
compared
using
Density
function
theory
(DFT)
calculations,
co-doping
showed
significant
charge
accumulation
with
a
low
ozonolysis
energy
barrier,
more
favorable
for
generation
reactive
oxygen
species.
successful
loading
main
active
components,
such
as
Mn,
Cu,
Ce,
clarified
systematic
characterization
X-ray
diffraction
(XRD),
photoelectron
spectroscopy
(XPS),
scanning
electron
microscopy
(SEM),
dispersive
(EDS)
Brunauer-Emmett-Teller's
test
(BET),
chemical
demand
(COD)
removal
could
reach
than
60%
simulated
wastewater.
paramagnetic
resonance
(EPR)
that
degradation
organic
pollutants
mainly
dominated
combination
single-linear
superoxide
radicals
catalytic
process,
possible
mechanism
proposed.
advances
non-homogeneous
technology.
