Горение и Плазмохимия,
Journal Year:
2023,
Volume and Issue:
21(4), P. 249 - 255
Published: Dec. 26, 2023
The
Ni-Al,
Ni-Ce
and
Ni-Ce-Al
catalysts
tested
in
the
dry
methane
reforming
(DRM)
were
studied.
Catalysts
synthesized
by
solution
combustion
synthesis
characterized
BET,
XRD
TEM.
Catalytic
activity
was
studied
at
600–900
°C
with
a
33%CH4:33%CO2:34%Ar
(vol.%)
fed
total
flow
rate
of
100
ml/
min
(3000
h−1).
CH4
CO2
conversion
increased
increasing
Ce
up
to
15
wt.%,
however,
further
increase
content
gases
decreased.
Carbon
formed
as
filaments
when
worked
high
temperature.
CeAlO3
species
could
prevent
formation
filamentous
carbon
during
DRM.
Solution
is
attractive
method
preparation
catalysts,
due
dispersion
Ni
particles,
thus,
surface
area
small,
diminishing
coke
deposition
enhancing
stability.
Catalysis Letters,
Journal Year:
2024,
Volume and Issue:
154(8), P. 4780 - 4794
Published: April 24, 2024
Abstract
Ni-based
bi-
and
trimetallic
Mn,
Mg
aluminum
containing
catalysts
prepared
by
the
solution
combustion
synthesis
(SCS)
method
were
tested
in
dry
reforming
of
methane
(DRM).
As
a
comparison
12
wt.%
Ni/α-Al
2
O
3
catalyst
wet
impregnation
was
also
investigated.
The
characterized
means
XRD,
N
physisorption,
H
-TPR,
CO
-TPD,
NH
TPO,
CHNS,
TGA,
SEM
TEM.
Formation
crystalline
MnAl
4
observed
at
high
temperatures
during
SCS.
average
nickel
particle
size
varied
range
12–36
nm.
Addition
Mn
promoted
reduction
Ni
elevated
amount
strength
basic
sites.
Graphical
Methane,
Journal Year:
2024,
Volume and Issue:
3(1), P. 86 - 102
Published: Feb. 6, 2024
CO2
reforming
of
CH4
(DRM)
utilizes
the
greenhouse
gases
and
to
obtain
synthesis
gas,
benefiting
achievement
carbon
neutrality.
However,
deactivation
Ni-based
catalysts
caused
by
sintering
deposition
limits
industrial
application.
Focusing
on
stability
improvement,
this
review
first
summarizes
reaction
mechanism
in
DRM
then
discusses
impact
catalyst
active
components,
supports,
interfacial
structure.
Finally,
we
propose
design
direction
stable
towards
DRM,
providing
guidance
for
future
development
suitable
production.
E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
516, P. 02002 - 02002
Published: Jan. 1, 2024
The
utilization
of
non-noble
metal
catalysts
for
the
dry
reforming
methane
(DRM)
has
gained
significant
attention
in
recent
years
due
to
increasing
demand
clean
and
sustainable
energy
sources.
DRM
involves
conversion
(CH4)
carbon
(IV)
oxide
(CO
2
)
into
synthesis
gas
(syngas),
a
valuable
mixture
hydrogen
(H
monoxide
(CO).
Commercialization
this
reaction
presents
several
challenges
that
must
be
addressed
achieve
practical
implementation.
This
short
review
discusses
challenges,
opportunities,
future
directions
DRM.
First,
limitations
associated
with
intrinsic
activity
stability
metals,
such
as
nickel,
cobalt,
iron,
are
explored.
Enhancing
catalyst
performance
through
compositional
modifications,
incorporation
promoters
supports,
ways
overcome
these
challenges.
Directions
hold
promise
advancing
DRM,
including
advanced
exploration
bimetallic
synergistic
effects,
integration
metals
novel
catalytic
systems,
were
among
proposals,
while
have
potential
revolutionize
production
syngas
contribute
significantly
transition
towards
solutions.
