Energies,
Journal Year:
2025,
Volume and Issue:
18(7), P. 1675 - 1675
Published: March 27, 2025
With
the
growing
trend
towards
electrification
of
transport,
it
is
anticipated
that
internal
combustion
engines
will
continue
to
play
an
important
role
in
production
electricity
for
systems
or
direct
propulsion
vehicles.
However,
these
are
under
considerable
pressure
achieve
carbon
neutrality,
making
zero-emission
fuels
a
key
solution.
One
solution
use
hydrogen,
which
extremely
clean
and
carbon-free
fuel
whose
product
only
water.
The
paper
also
introduces
KEYOU
concept,
involves
switching
from
burning
propellant
oil
supercharged,
lean-burn,
hydrogen-fueled
ignition
engine.
authors
provide
study
on
selected
issues
based
113
reviewed
literature
sources
highlight
achievements
potential
hydrogen
engines.
Based
described,
provides
comprehensive
overview
impact
reducing
emissions
as
well
supporting
sustainable
development
transport
systems.
research
conducted
highlights
decarbonizing
moving
emission-free
future.
Separation and Purification Reviews,
Journal Year:
2024,
Volume and Issue:
53(4), P. 487 - 516
Published: March 15, 2024
Carbon
capture
technologies
are
imperative
for
addressing
climate
change
objectives.
Among
the
available
solutions,
five
post-combustion
stand
out
their
efficacy
in
trapping
CO2
from
flue
gas
emissions:
chemical
absorption,
adsorption,
membrane
separation,
cryogenic
distillation,
and
electrochemical
processes.
Their
implementation
spans
both
laboratory
investigations
pilot/commercial
applications.
This
review
systematically
examines
these
technologies,
emphasizing
progression
industrial
Current
research
endeavors
explored,
pivotal
challenges
underscored.
When
addressed,
they
can
enhance
performance
economic
feasibility.
Comparative
analyses
indicate
that
while
membrane,
processes
have
seen
applications,
absorption
is
most
cost-effective
established
method,
accounting
an
operational
capacity
of
approximately
50
million
tons
annually.
Remarkably,
devices
exhibited
superior
at
scale,
achieving
removal
efficiencies
exceeding
98%
with
a
simple
activation
mechanism.
Comprehensive
strategies
costs
device
configurations
essential
to
transition
this
technology
larger
scales.
