Korean Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 5, 2024
Abstract
Carbon
dioxide
capture
and
utilization
(CCU)
in
chemical
processes
is
vital
for
achieving
sustainable
economically
viable
solutions
the
context
of
climate
change
mitigation.
This
review
focuses
on
reverse
water–gas
shift
(RWGS)
reaction
as
a
promising
pathway
converting
CO₂
into
carbon
monoxide
(CO),
which
can
subsequently
be
used
precursor
synthesis
various
hydrocarbon
compounds.
The
discussion
centers
catalyst
design
strategies
aimed
at
enhancing
low-temperature
activity
RWGS
reaction,
emphasizing
roles
supports
active
sites.
Key
approaches
include
increasing
surface
area,
introducing
defect
sites,
improving
redox
properties
catalysts.
Methods
controlling
adsorption
strength
gas
reactants
products
to
enhance
CO
selectivity
are
explored,
with
particular
attention
use
ligands,
promoters,
doping,
advanced
structures
such
single-atom
or
core–shell
configurations.
Considerations
regarding
durability
reducing
environments
development
feasible
catalysts
also
addressed.
Well-designed
offer
significant
advantages
valorization,
conversion
hydrocarbons
more
readily
achieved
starting
from
CO.
Environmental Research Letters,
Journal Year:
2024,
Volume and Issue:
19(12), P. 121001 - 121001
Published: Nov. 13, 2024
Abstract
Carbon
dioxide
removal
(CDR)
involves
capturing
CO2
from
the
atmosphere
and
storing
it
for
decades
to
millennia.
Alongside
deep
emissions
reductions,
CDR
is
required
meeting
temperature
goal
of
Paris
Agreement
(IPCC
2022).
However,
parties
agreement
do
not
currently
distinguish
reductions
in
their
climate
pledges.
In
this
perspective,
we
argue
that
lowers
transparency
hinders
assessment
how
credible
ambitious
mitigation
plans
are.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Abstract
Carbon
fluxes
from
land
use
are
key
to
the
Paris
Agreement.
However,
data
comparability
issues
persist
between
countries’
inventories
and
targets
(Nationally
Determined
Contributions,
NDCs),
which
generally
include
direct
indirect
anthropogenic
net
emissions,
what
models
provide
as
Paris-aligned
benchmarks
(direct
emissions
only).
As
a
result,
first
Global
Stocktake,
aiming
track
collective
mitigation
progress,
did
not
explicitly
consider
country
for
land.
This
blind
spot
leaves
countries
uninformed
of
2030
gap
their
ambitions
on
models’
benchmarks,
affecting
net-zero
trajectories.
We
an
analysis
land-related
under
NDC
2020,
splitting
reduced
additional
sinks.
Land
holds
quarter
global
pledges
in
2030,
mostly
through
conditional
support
(-1.5ǂ1.1
GtCO2e/yr,
−
0.6
GtCO2e/yr
sinks).
To
more
policy-relevant
information
decision
makers,
it
is
crucial
that
future
Stocktakes
also
appropriate
comparisons
modelled
scenarios
land-use
data.
Korean Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 5, 2024
Abstract
Carbon
dioxide
capture
and
utilization
(CCU)
in
chemical
processes
is
vital
for
achieving
sustainable
economically
viable
solutions
the
context
of
climate
change
mitigation.
This
review
focuses
on
reverse
water–gas
shift
(RWGS)
reaction
as
a
promising
pathway
converting
CO₂
into
carbon
monoxide
(CO),
which
can
subsequently
be
used
precursor
synthesis
various
hydrocarbon
compounds.
The
discussion
centers
catalyst
design
strategies
aimed
at
enhancing
low-temperature
activity
RWGS
reaction,
emphasizing
roles
supports
active
sites.
Key
approaches
include
increasing
surface
area,
introducing
defect
sites,
improving
redox
properties
catalysts.
Methods
controlling
adsorption
strength
gas
reactants
products
to
enhance
CO
selectivity
are
explored,
with
particular
attention
use
ligands,
promoters,
doping,
advanced
structures
such
single-atom
or
core–shell
configurations.
Considerations
regarding
durability
reducing
environments
development
feasible
catalysts
also
addressed.
Well-designed
offer
significant
advantages
valorization,
conversion
hydrocarbons
more
readily
achieved
starting
from
CO.
