Journal of CO2 Utilization,
Journal Year:
2024,
Volume and Issue:
80, P. 102682 - 102682
Published: Jan. 23, 2024
Climate
change,
which
is
caused
by
increasing
greenhouse
gas
(GHG)
emissions,
poses
a
serious
threat
to
humanity,
impacting
economies,
societies,
and
the
environment.
Carbon
dioxide
(CO2),
major
contributor
effect,
responsible
for
climate
change
thus
must
be
reduced.
capture,
conversion,
storage
(CCUS)
technology,
involves
catalytic,
photocatalytic,
electrocatalytic
conversions,
promising
method
reducing
CO2
emissions
converting
into
valuable
products.
Recent
advances
in
electrocatalytic,
photocatalytic
reduction
of
have
highlighted
potential
environmental
economic
benefits
these
technologies.
However,
practical
application
techniques
challenging
requires
scientific
research
engineering
efforts
develop
efficient
materials
capable
simultaneously
capturing
it
Therefore,
this
review
presents
comprehensive
analysis
various
catalytic
systems
capture
conversion.
This
aims
identify
advantages
limitations
In
addition,
identified
challenges
future
prospects
proposed
methods
are
outlined.
Thus,
article
covers
current
trends
perspectives
field
combating
through
management.
Catalysis Science & Technology,
Journal Year:
2024,
Volume and Issue:
14(4), P. 790 - 819
Published: Jan. 1, 2024
Recent
years
have
witnessed
rapid
advancements
in
carbon
capture,
storage,
and
utilization
(CCUS)
technologies,
which
are
key
to
reducing
greenhouse
gas
emissions
improving
sustainable
development.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
484, P. 149778 - 149778
Published: Feb. 17, 2024
Addressing
the
high
CO
2
emissions
from
biomass
gasification
is
crucial
for
enhancing
sustainability
and
environmental
profile
of
this
technology.This
work
proposes
a
novel
approach
by
integrating
process
with
carbon
capture
utilisation
(IGCCU),
to
tackle
substantial
challenge
traditional
gasification,
which
leads
emissions.Specifically,
during
stage,
successfully
captured
14.39
mmol
g
-1
lignin
,
based
on
benchmark
conditions.The
subsequently
converted
into
hydrogenation
achieving
peak
concentration
1.58
%.The
results
reveal
that
maintaining
marble
feeding
mass
6
setting
reaction
temperatures
capture,
at
500
•
C,
400
550
respectively,
consistently
ensures
ultra-low
throughout
entire
process."Ultra-low
emissions"
specifically
refers
absence
signals
entirety
IGCCU
process,
encompassing
stages
such
as
conversion.Notably,
conversion
selectivity
remain
stable
100
%
level
over
8
cycles
only
was
generated
underscoring
excellent
stability
technology.Furthermore,
low-cost
sorbent
material
(waste
powder)
readily
available
agent
(air)
enhance
economic
feasibility
new
technology
while
demonstrating
robust
resistance
deposition.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
491, P. 151668 - 151668
Published: April 26, 2024
Integrated
carbon
capture
and
utilisation
(ICCU)
is
an
emerging
technology
for
simultaneous
CO2
adsorption
conversion
into
value-added
products.
This
provides
a
more
sustainable
approach
compared
to
storage.
Dual-functional
materials
(DFMs)
that
couple
sorbents
(e.g.
CaO)
catalysts
Ni)
enable
direct
of
sorbed
reactions
like
dry
reforming
methane
(DRM).
However,
the
potential
interactions
between
sorbent
catalyst
components
within
DFMs
may
induce
distinct
mechanisms
individual
materials.
Elucidating
these
synergies
interfacial
phenomena
vital
guiding
rational
design
DFMs.
article
investigates
respective
roles
Ni/SiO2
sol–gel
synthesised
CaO
in
integrated
via
(ICCU-DRM)
using
decoupling
approach.
Through
decoupled
reactor
experiments,
it
found
activates
react
with
deposits
from
CH4
decomposition,
achieving
maximal
CO
H2
yields
43.41
mmol
g−1
46.78
as
well
87.2
%
at
650
°C.
Characterisation
shows
coke
would
encapsulate
Ni
nanoparticles
be
active
Boudouard
reaction,
indicating
sufficient
catalyst-sorbent
contact
necessary
spillover.
In-situ
DRIFTS
reveals
no
obvious
CH4-CaCO3
reaction
occurs,
chemisorption
on
enables
reverse
which
further
verified
by
DFT
calculations.
The
findings
elucidate
dependent
synergistic
CaO/CaCO3
ICCU-DRM,
highlight
importance
catalyst-adsorbent
optimising
dual-functional
ACS Materials Au,
Journal Year:
2025,
Volume and Issue:
5(2), P. 397 - 408
Published: Jan. 17, 2025
Carbon
capture
has
emerged
as
a
pivotal
carbon
neutrality
technology
for
addressing
greenhouse
effect
challenges.
Porous
carbons
are
one
of
the
most
promising
adsorbents
CO2
and
separation
from
flue
gas,
yet
their
traditional
synthesis
necessitates
inert
atmospheres
to
avoid
oxidation,
which
greatly
restricts
large-scale
production
at
low
cost
advanced
industrial
applications.
Herein,
we
propose
an
innovative
pathway
fabrication
porous
via
one-step
pyrolysis
in
air
environment.
Porosity
surface
chemistry
can
be
concurrently
tailored
by
controlling
air-assisted
process,
optimization
mechanism
is
unveiled
detail.
The
resultant
materials
feature
well-interconnected
hierarchical
porosity
with
highly
proportioned
ultramicroporosity,
uniform
spherical
morphology,
high
heteroatom
doping
levels.
By
leveraging
chemistry,
optimal
sample
exhibits
superior
behaviors
satisfactory
uptake
ultrahigh
selectivity.
CO2/N2
selectivity
reaches
up
160
0.15
bar
25
°C,
it
still
achieves
76
1.0
ranking
top
5%
reported
carbons.
We
explore
correlations
between
porosity,
heteroatoms,
behaviors.
decisive
function
on
capacity
selectivity,
especially
heteroatoms
could
have
positive
promotion
caused
extra
CO2-philic
sites.
This
work
pioneers
feasible
approach
directional
design
functional
through
under
mild
conditions.
