Carbon Capture Science & Technology,
Год журнала:
2024,
Номер
13, С. 100275 - 100275
Опубликована: Авг. 14, 2024
The
integrated
CO
2
capture
and
utilization
employs
chemical
looping
approach
for
suppressing
the
equilibrium
limitations
of
traditional
gas-solid
catalytic
reactions,
enabling
efficient
conversion
dilute
into
high-value
fuels
with
minimal
energy
consumption.
However,
diminishing
cyclic
activity
dual-functional
materials
poses
significant
challenges
to
their
industrial
application.
Herein,
we
tailored
a
series
magnesium-calcium
materials,
influence
coordinated
metals
on
performance
were
quantitatively
investigated.
Notably,
Fe
Ni
Ce
Mg
5
Ca
20
3
achieves
cumulative
yield
121.0
mmol/g
over
15
cycles
at
650°C,
maximum
8.3
per
cycle
99.0%
selectivity,
its
capacity
remains
stable
10.6
37
adsorption/desorption
cycles.
Experimental
results
indicate
that
lattice
phase
separation
is
fundamental
mechanism
underlying
decline
in
activity.
strategic
incorporation
transition
metal
intermediates
promotes
formation
dispersed
metal-carbonate
interfaces,
providing
surface
hydrogenation
sites
accelerating
decomposition
reconstruction
*
within
lattice.
This
modification
mitigates
adsorption/catalytic
separation,
boosts
migration
deoxygenation
nanoparticle
construction.
findings
offer
valuable
strategies
designing
highly
DFMs
utilization.
Separation and Purification Technology,
Год журнала:
2023,
Номер
333, С. 125934 - 125934
Опубликована: Дек. 3, 2023
Marble
dust
is
a
low-cost,
robust,
and
environmentally
friendly
natural
material
for
integrated
carbon
capture
utilization
(ICCU).
This
study
demonstrates
the
effect
of
oxygen
water
in
flue
gas
on
ICCU
performance
marble
when
it
with
reverse
shift
reaction
(RWGS),
which
could
potentially
be
scaled
up
application
dust.
The
inclusion
vapor
augmented
ability
calcined
(CM)
to
eliminate
12.8
mmol
g−1
CO2
from
achieved
highest
CO
yield
10.2
almost
100
%
selectivity.
introduction
O2,
despite
lowering
efficiency,
retained
pore
structure
CM,
boosting
lasting
producing.
With
inert
MgO
as
stabilizer
segregation
between
two-layered
CaO
crystalline
alleviated
sintering
deposition,
enhanced
diffusion
superior
structural
stability
over
consecutive
cycles
than
raw
CaO.
Journal of CO2 Utilization,
Год журнала:
2024,
Номер
84, С. 102845 - 102845
Опубликована: Июнь 1, 2024
The
overuse
of
fossil
fuels
has
created
a
dual
challenge
for
humanity,
namely
energy
and
environmental
concerns.
Excessive
carbon
emissions
have
resulted
in
range
global
climate
issues.
It's
great
practical
significance
to
capture
the
excessive
dioxide
convert
them
into
high
value-added
chemicals
or
fuels.
Methane
is
an
important
carrier
chemical
bond
storage
due
its
mass
calorific
value.
Carbon
methanation
promising
process
reducing
emissions.
This
review
introduces
recent
research
progress
on
using
thermal
catalytic,
bioconversion,
photocatalytic,
electrocatalytic
technologies.
A
dual-function
integrated
design
integrating
proposed,
which
not
only
realizes
on-site
utilization,
but
also
improves
manufacturability
economic
benefits
entire
process.
Carbon Capture Science & Technology,
Год журнала:
2024,
Номер
13, С. 100275 - 100275
Опубликована: Авг. 14, 2024
The
integrated
CO
2
capture
and
utilization
employs
chemical
looping
approach
for
suppressing
the
equilibrium
limitations
of
traditional
gas-solid
catalytic
reactions,
enabling
efficient
conversion
dilute
into
high-value
fuels
with
minimal
energy
consumption.
However,
diminishing
cyclic
activity
dual-functional
materials
poses
significant
challenges
to
their
industrial
application.
Herein,
we
tailored
a
series
magnesium-calcium
materials,
influence
coordinated
metals
on
performance
were
quantitatively
investigated.
Notably,
Fe
Ni
Ce
Mg
5
Ca
20
3
achieves
cumulative
yield
121.0
mmol/g
over
15
cycles
at
650°C,
maximum
8.3
per
cycle
99.0%
selectivity,
its
capacity
remains
stable
10.6
37
adsorption/desorption
cycles.
Experimental
results
indicate
that
lattice
phase
separation
is
fundamental
mechanism
underlying
decline
in
activity.
strategic
incorporation
transition
metal
intermediates
promotes
formation
dispersed
metal-carbonate
interfaces,
providing
surface
hydrogenation
sites
accelerating
decomposition
reconstruction
*
within
lattice.
This
modification
mitigates
adsorption/catalytic
separation,
boosts
migration
deoxygenation
nanoparticle
construction.
findings
offer
valuable
strategies
designing
highly
DFMs
utilization.