Carbon Capture Science & Technology,
Journal Year:
2023,
Volume and Issue:
9, P. 100136 - 100136
Published: Sept. 7, 2023
Blended
amines
synthesize
the
absorption
characteristics
of
different
amine
solvents
and
show
a
great
potential
in
carbon
capture.
However,
comprehensive
techno-economic
analysis
(TEA)
CO2
process
using
blended
is
still
lacking.
In
this
study,
we
investigated
three
solvents:
MEA/MDEA,
PZ/MEA,
PZ/MDEA,
with
commercially
available
MEA
used
as
benchmark.
Rigorous
simulation
were
applied
to
evaluate
performance
capture
steel
plant.
molar
loading
lean
solvent
(αlean)
stripper
pressure
(P)
optimized
minimize
total
annualized
cost
(TAC).
The
results
demonstrated
that
PZ/MDEA-based
most
cost-effective
(31.43$/tCO2)
under
operating
conditions
αlean
=
0.15
P
1.25
bar.
breakdown
revealed
significantly
impact
TAC
through
regeneration
heat,
equipment
investment,
make-up
cost.
Furthermore,
energy
indicated
low
reaction
enthalpy
heat
capacity
well
high
reactivity
could
consumption
process.
ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(20), P. 15572 - 15589
Published: Oct. 5, 2024
Integrated
CO2
capture
and
utilization
(ICCU)
can
achieve
the
conversion
of
captured
into
value-added
products
in
a
single
reactor,
enabling
it
to
be
one
fundamental
approaches
eliminating
emissions
future.
The
rational
design
dual-functional
materials
(DFMs)
combining
adsorption
catalytic
sites
is
crucial
realizing
an
efficient
ICCU
process.
This
Perspective
promotes
understanding
through
integrated
methanation,
reverse
water
gas
shift,
dry
reforming
methane,
other
technologies,
focusing
on
selection
matching
between
DFMs
for
enhanced
performance.
Interactions
are
pivotal
mechanism
studies
directing
catalyst
design.
proximity
effect
induced
adsorbent–catalyst
interaction
comprehensively
evaluated
provide
perspective
principle
DFMs.
will
theoretical
foundations
selecting
DFMs,
promoting
comprehensive
enhancement
performance,
thus
facilitating
carbon
reduction
goals.
Journal of CO2 Utilization,
Journal Year:
2024,
Volume and Issue:
86, P. 102895 - 102895
Published: Aug. 1, 2024
Dual
function
materials
(DFMs)
are
key
for
the
integrated
capture
of
CO2
from
waste
gas
streams
and
its
valorisation
to
valuable
chemicals,
such
as
syngas.
To
be
able
in
commercial
applications,
DFMs
require
both
high
capacity
catalytic
activity,
achieved
by
optimising
synergistic
interactions
among
metals,
support
adsorbent
components.
obtain
increased
interaction,
dry
milling
process
can
used
a
sustainable,
solvent
free,
green
synthesis
method.
In
this
work,
we
report
performance
RuNi
bimetallic
supported
on
CeO2-Al2O3
promoted
with
CaO
Na2O,
synthesised
mild-energy
mechanochemical
process.
The
show
generally
comparable,
sometimes
superior,
activity
Reverse
Water-Gas
Shift
(RWGS)
reaction
CO
production
at
650
°C
compared
their
counterpart
prepared
conventional
impregnation
method,
underlining
potential
method
highly
functional
DFMs.
Remarkably,
stability
also
maintained
when
O2
is
present
step,
indicating
real
exhaust-gases
applications.
Also,
direct
air
reported,
further
benefits
approach
creating
versatile
Separation and Purification Technology,
Journal Year:
2023,
Volume and Issue:
333, P. 125934 - 125934
Published: Dec. 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,
Journal Year:
2024,
Volume and Issue:
84, P. 102845 - 102845
Published: June 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.
