Energies,
Год журнала:
2024,
Номер
18(1), С. 15 - 15
Опубликована: Дек. 24, 2024
The
growing
challenges
of
climate
change,
the
depletion
fossil
fuel
reserves,
and
urgent
need
for
carbon-neutral
energy
solutions
have
intensified
focus
on
renewable
energy.
In
this
perspective,
generation
green
hydrogen
from
sources
like
biogas/landfill
gas
(LFG)
offers
an
intriguing
option,
providing
dual
benefits
a
sustainable
supply
enhanced
waste
management
through
innovation
valorization.
Thus,
review
explores
production
biogas/LFG
four
conventional
reforming
processes,
specifically
dry
methane
(DMR),
steam
(SMR),
partial
oxidation
(POX),
autothermal
(ATR),
focusing
their
mechanisms,
operating
parameters,
role
catalysts
in
production.
This
further
delves
into
both
environmental
aspects,
GWP
(CO2
eq·kg−1
H2)
emissions,
economic
aspects
these
examining
efficiency
impact.
Additionally,
also
purification
its
integration
CO2
capture,
utilization,
storage
roadmap
net-negative
emissions.
Lastly,
highlights
future
research
directions,
improving
SMR
DMR
technologies
simulation
modeling
to
enhance
efficiency,
thereby
advancing
understanding
informing
policy
initiatives
solutions.
Energies,
Год журнала:
2024,
Номер
17(11), С. 2764 - 2764
Опубликована: Июнь 5, 2024
The
chemical
looping
reforming
and
combustion
of
methane
have
attracted
increasing
interest
as
processes
for
clean
energy
syngas
production,
with
potential
to
reduce
carbon
dioxide
emissions.
Previous
literature
on
the
development
oxygen
carriers
evidenced
effects
that
availability
exerts
selectivity
oxidation
reaction.
In
present
paper,
we
evaluate
performance
chromite
sand
(Chro),
cerium
(CeO2),
mixed
cerium–copper
oxide
(Ce–Cu)
either
or
according
their
availability.
oxides
are
tested
in
2
5
min
reduction
intervals
a
CH4/N2
mixture
(5,
10
20%
vol.)
followed
by
regeneration
O2/N2
(3,
5,
21%
vol.),
redox
cycles
conducted
at
850
°C
950
°C.
obtained
rank
towards
complete
CH4
is
Ce–Cu
>
CeO2
Chro.
Another
relevant
finding
role
degree
carrier
conversion
promoting
partial
total
oxidation.
particular,
CO2
markedly
decreases
conversion,
disclosing
new
strategies
process
design
optimization
controlling
degree.
Energies,
Год журнала:
2024,
Номер
18(1), С. 15 - 15
Опубликована: Дек. 24, 2024
The
growing
challenges
of
climate
change,
the
depletion
fossil
fuel
reserves,
and
urgent
need
for
carbon-neutral
energy
solutions
have
intensified
focus
on
renewable
energy.
In
this
perspective,
generation
green
hydrogen
from
sources
like
biogas/landfill
gas
(LFG)
offers
an
intriguing
option,
providing
dual
benefits
a
sustainable
supply
enhanced
waste
management
through
innovation
valorization.
Thus,
review
explores
production
biogas/LFG
four
conventional
reforming
processes,
specifically
dry
methane
(DMR),
steam
(SMR),
partial
oxidation
(POX),
autothermal
(ATR),
focusing
their
mechanisms,
operating
parameters,
role
catalysts
in
production.
This
further
delves
into
both
environmental
aspects,
GWP
(CO2
eq·kg−1
H2)
emissions,
economic
aspects
these
examining
efficiency
impact.
Additionally,
also
purification
its
integration
CO2
capture,
utilization,
storage
roadmap
net-negative
emissions.
Lastly,
highlights
future
research
directions,
improving
SMR
DMR
technologies
simulation
modeling
to
enhance
efficiency,
thereby
advancing
understanding
informing
policy
initiatives
solutions.
