Carbon Capture Science & Technology,
Journal Year:
2022,
Volume and Issue:
5, P. 100078 - 100078
Published: Nov. 6, 2022
Natural
marble
was
successfully
applied
in
integrated
CO2
capture
and
utilisation
for
selectively
producing
valuable
CO.
The
cheap
easy-accessible
dust
is
proven
to
have
a
high
capacity
of
(9.4
mmol
g−1)
be
active
converting
the
captured
into
CO
(>
85%
conversion
at
650
°C)
with
almost
100%
selectivity.
Furthermore,
stone
material
exhibits
impressive
cycle
stability
(0.036
g−1
decrease
per
cycle).
This
report
demonstrates
that
carbon
emission
control
can
realised
over
straightforward
process
using
robust
materials,
representing
an
attractive
technology
cost-effective
low-carbon
development.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
17(5)
Published: Jan. 16, 2024
Abstract
The
“on‐demand”
capture
and
utilization
of
CO
2
is
effectively
realized
with
a
readily
accessible
dual
function
organic
composite.
covalent
controlled
derivatization
graphene
oxide
(GO)
surface
naturally
occurring
arginine
led
to
“smart”
material
capable
capturing
(chemisorption)
from
high‐purity
flue‐gas
as
well
low‐concentration
streams
(
i.
e
.
direct
air
capture)
concomitant
chemical
activation
toward
the
incorporation
into
cyclic
carbonates.
overall
integrated
conversion
(ICCC)
strategy
has
been
fully
elucidated
mechanistically
via
dedicated
computational,
spectroscopic
thermal
analyses.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(10), P. 11305 - 11320
Published: Feb. 28, 2024
CO2
adsorbents
comprising
various
alkaline
sorption
active
phases
supported
on
mesoporous
Al2O3
were
prepared.
The
materials
tested
regarding
their
adsorption
behavior
in
the
mid-temperature
range,
i.e.,
around
300
°C,
as
well
characterized
via
XRD,
N2
physisorption,
CO2-TPD
and
TEM.
It
was
found
that
Na2O
phase
(originated
following
NaNO3
impregnation)
led
to
highest
capacity
due
presence
of
CO2-philic
interfacial
Al–O––Na+
sites,
optimum
load
shown
be
12
wt
%
(0.22
Na/Al
molar
ratio).
Additional
prepared
by
dispersing
over
different
metal
oxide
supports
(ZrO2,
TiO2,
CeO2
SiO2),
showing
an
inferior
performance
than
Na2O/Al2O3.
kinetics
thermodynamics
also
investigated
at
temperatures,
best-performing
Na2O/Al2O3
material
is
exothermic
follows
Avrami
model,
while
tests
under
varying
partial
pressures
revealed
Langmuir
isotherm
best
fits
data.
Lastly,
multiple
adsorption–desorption
cycles
500
respectively.
maintain
its
with
no
detrimental
effects
nanostructure,
porosity
surface
basic
thereby
rendering
it
suitable
a
reversible
chemisorbent
or
support
for
preparation
dual-function
materials.
Carbon Capture Science & Technology,
Journal Year:
2022,
Volume and Issue:
5, P. 100078 - 100078
Published: Nov. 6, 2022
Natural
marble
was
successfully
applied
in
integrated
CO2
capture
and
utilisation
for
selectively
producing
valuable
CO.
The
cheap
easy-accessible
dust
is
proven
to
have
a
high
capacity
of
(9.4
mmol
g−1)
be
active
converting
the
captured
into
CO
(>
85%
conversion
at
650
°C)
with
almost
100%
selectivity.
Furthermore,
stone
material
exhibits
impressive
cycle
stability
(0.036
g−1
decrease
per
cycle).
This
report
demonstrates
that
carbon
emission
control
can
realised
over
straightforward
process
using
robust
materials,
representing
an
attractive
technology
cost-effective
low-carbon
development.