ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(51), С. 70575 - 70586
Опубликована: Дек. 10, 2024
In
this
paper,
a
concept
of
integrated
CO2
capture
and
reverse
water–gas
shift
(ICCrWGS)
process
was
proposed
using
NH3
as
the
H2
carrier.
The
efficiency
total
thermal
energy
consumption
for
conventional
rWGS,
ICCrWGS
(H2-ICCrWGS)
(NH3-ICCrWGS),
were
calculated.
conducted
over
thermally
stable
Ni/CaZr
dual-function
materials
(DFMs).
decomposition,
capacity,
conversion,
CO
selectivity
addressed
at
different
reaction
temperatures,
optimal
temperature
determined
to
be
650
°C.
DFMs
exhibited
capacity
productivity
during
A
carbonate
spillover
mechanism
production
in
NH3-ICCrWGS
situ
diffuse
reflectance
infrared
Fourier
transform
spectroscopy.
It
found
that
is
produced
from
bridged
bidentate
route
Ni–CaO
interface.
Catalysts,
Год журнала:
2023,
Номер
13(8), С. 1174 - 1174
Опубликована: Июль 31, 2023
Direct
methanation
in
an
integrated
CO2
capture
and
utilization
system
has
recently
gained
considerable
attention
as
a
promising
approach
owing
to
its
simplified
process
lower
requirement
of
total
thermal
energy
compared
conventional
techniques.
This
study
formulated
macroporous
structured
Ni/CaO
catal-sorbents
by
controlling
the
Ni-to-CaO
ratio.
The
influence
this
ratio
on
(capacity
kinetics)
direct
performances
(productivity
was
evaluated
at
500
°C.
combined
with
experiments
revealed
that
10Ni/CaO
exhibited
best
capacity,
kinetics,
CH4
productivity
stability
Ni
CaO
species.
Catalysts,
Год журнала:
2024,
Номер
14(11), С. 834 - 834
Опубликована: Ноя. 20, 2024
In
this
study,
we
conducted
a
comparative
analysis
of
the
catalytic
behavior
Ni-CaO-Al2O3
dual
functional
material
(DFM)
and
physical
mixture
Ni-Al2O3
CaO-Al2O3
in
integrated
carbon
capture
methanation
(ICCM)
process
for
promoted
methane
production.
H2-temperature-programmed
surface
reaction
(H2-TPSR)
revealed
that
DFM,
CO2
adsorbed
on
CaO
can
spillover
to
metallic
Ni
surface,
enabling
direct
hydrogenation
without
desorption
CO2.
DFM
exhibited
rapid
initial
rate
due
spillover.
The
with
adsorption
sites
close
distance,
allows
efficient
utilization
heat
generated
by
desorb
strongly
CO2,
leading
enhanced
Consequently,
produced
1.3
mmol/gNi
at
300
°C,
converting
35%
methane.
ACS Energy Letters,
Год журнала:
2024,
Номер
unknown, С. 371 - 392
Опубликована: Дек. 22, 2024
The
rising
carbon
footprint
has
made
it
crucial
to
mitigate
greenhouse
gas
emissions
by
adopting
capture
and
utilization
processes
using
solid
sorbents.
However,
traditional
techniques
face
challenges
for
large-scale
deployment
because
of
high
energy
oversized
separation
unit
requirements.
Electrothermal
swing
adsorption
uses
conductive
sorbent
materials
or
heating
elements
(electrodes)
coupled
sorbents
induce
CO2
desorption
through
electrical
currents.
electrothermal
approach
offers
efficiency
modularity
enhance
the
economic
feasibility
scalability
processes.
This
review
examines
various
materials,
including
sorbents,
heterogeneous
catalysts,
electrodes,
laboratory-scale
advancements
fixed
bed
reactors
parallel
wire
open
foam
systems
conversion.
insights
into
material
selection
strategies,
emphasizing
considerations
such
as
porosity,
catalyst
stability,
cost-effectiveness.
Finally,
highlights
importance
an
integrated
strategy
future
research
areas
advance
development
this
technology.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(51), С. 70575 - 70586
Опубликована: Дек. 10, 2024
In
this
paper,
a
concept
of
integrated
CO2
capture
and
reverse
water–gas
shift
(ICCrWGS)
process
was
proposed
using
NH3
as
the
H2
carrier.
The
efficiency
total
thermal
energy
consumption
for
conventional
rWGS,
ICCrWGS
(H2-ICCrWGS)
(NH3-ICCrWGS),
were
calculated.
conducted
over
thermally
stable
Ni/CaZr
dual-function
materials
(DFMs).
decomposition,
capacity,
conversion,
CO
selectivity
addressed
at
different
reaction
temperatures,
optimal
temperature
determined
to
be
650
°C.
DFMs
exhibited
capacity
productivity
during
A
carbonate
spillover
mechanism
production
in
NH3-ICCrWGS
situ
diffuse
reflectance
infrared
Fourier
transform
spectroscopy.
It
found
that
is
produced
from
bridged
bidentate
route
Ni–CaO
interface.
