ACS Omega,
Journal Year:
2021,
Volume and Issue:
6(19), P. 12801 - 12812
Published: May 3, 2021
The
MnxCey
binary
catalysts
with
a
three-dimensional
network
structure
were
successfully
prepared
via
polymer-assisted
deposition
method
using
ethylenediaminetetraacetic
acid
and
polyethyleneimine
as
complexing
agents.
developed
pore
could
facilitate
the
gas
diffusion
accelerate
catalytic
reaction
for
NH3
selective
reduction
(SCR).
Moreover,
addition
of
Ce
is
beneficial
exposure
active
sites
on
catalyst
surface
increases
adsorption
NO
species.
Therefore,
Mn1Ce1
exhibits
best
activity
NOx
removal
conversion
rate
97%
at
180
°C,
superior
water
resistance,
favorable
stability.
SCR
over
takes
place
through
E–R
pathway,
which
confirmed
by
in
situ
diffuse
reflectance
Fourier
transform
analysis.
This
work
explores
new
strategy
to
fabricate
multimetal
optimize
catalysts.
Inorganic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
10(3), P. 727 - 755
Published: Jan. 1, 2023
Recent
developments
in
syntheses
strategies,
catalytic
performance
as
well
structure–property
relationships
of
core–shell
structured
catalysts
for
NH
3
-SCR
NO
x
with
improved
low-temperature
activity
and
poisoning
tolerance
is
surveyed.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(18), P. 4506 - 4506
Published: Sept. 23, 2024
Selective
catalytic
reduction
of
nitrogen
oxides
(NOx)
with
ammonia
(NH3-SCR)
has
been
implemented
in
response
to
the
regulation
NOx
emissions
from
stationary
and
mobile
sources
above
300
°C.
However,
development
NH3-SCR
catalysts
active
at
low
temperatures
below
200
°C
is
still
needed
improve
energy
efficiency
cope
various
fuels.
In
this
review
article,
recent
reports
on
low-temperature
are
systematically
summarized.
The
redox
property
as
well
surface
acidity
two
main
factors
that
affect
activity.
strong
beneficial
for
activity
but
responsible
N2O
formation.
multiple
electron
transfer
system
more
plausible
controlling
properties.
H2O
SOx,
which
often
found
flue
gas,
have
a
detrimental
effect
activity,
especially
temperatures.
competitive
adsorption
can
be
minimized
by
enhancing
hydrophobic
catalyst.
Various
strategies
resistance
SOx
poisoning
also
discussed.
ACS Omega,
Journal Year:
2021,
Volume and Issue:
6(19), P. 12801 - 12812
Published: May 3, 2021
The
MnxCey
binary
catalysts
with
a
three-dimensional
network
structure
were
successfully
prepared
via
polymer-assisted
deposition
method
using
ethylenediaminetetraacetic
acid
and
polyethyleneimine
as
complexing
agents.
developed
pore
could
facilitate
the
gas
diffusion
accelerate
catalytic
reaction
for
NH3
selective
reduction
(SCR).
Moreover,
addition
of
Ce
is
beneficial
exposure
active
sites
on
catalyst
surface
increases
adsorption
NO
species.
Therefore,
Mn1Ce1
exhibits
best
activity
NOx
removal
conversion
rate
97%
at
180
°C,
superior
water
resistance,
favorable
stability.
SCR
over
takes
place
through
E–R
pathway,
which
confirmed
by
in
situ
diffuse
reflectance
Fourier
transform
analysis.
This
work
explores
new
strategy
to
fabricate
multimetal
optimize
catalysts.
