Industry science and engineering.,
Год журнала:
2024,
Номер
1(10), С. 68 - 76
Опубликована: Окт. 1, 2024
In
light
of
the
worldwide
consensus
on
net-zero
emissions,
using
clean
fuels
to
wholly
or
substantially
replace
traditional
has
emerged
as
dominant
route
industrial
development.
This
paper
presents
a
methanol-hydrogen
co-combustion
method
for
boilers,
based
methanol,
zero-carbon
fuel
produced
from
CO₂.
The
technique
uses
boiler
waste
heat
catalytically
fracture
methanol
into
dissociated
gas
(DMG),
largely
composed
H₂
and
CO.
DMG
is
blended
with
original
improve
thermal
efficiency
minimize
emissions.
A
three-dimensional
geometric
model
was
developed
tiny
direct-current
natural
(NG)
research
subject.
combustion
characteristics
mixed
various
concentrations
hydrogen
were
simulated
finite
volume
approach.
Blending
at
flow
rate
10
m³/h
surplus
air
ratio
1.2
improves
NG
release
furnace
temperature.
At
5%
mixing
ratio,
rises
by
up
2.2%,
while
average
temperature
reaches
high
1886
K.
Meanwhile,
10%,
increases
maximum
2.1%,
5%,
1895
Overall,
greater
effect
increasing
combustion,
whereas
larger
potential
raise
Energies,
Год журнала:
2025,
Номер
18(3), С. 650 - 650
Опубликована: Янв. 30, 2025
Hydrogen
has
emerged
as
a
critical
energy
carrier
for
achieving
global
decarbonization
and
supporting
sustainable
future.
This
review
explores
key
advancements
in
hydrogen
production
technologies,
including
electrolysis,
biomass
gasification,
thermochemical
processes,
alongside
innovations
storage
methods
like
metal
hydrides
liquid
organic
carriers
(LOHCs).
Despite
its
promise,
challenges
such
high
costs,
scalability
issues,
safety
concerns
persist.
Biomass
gasification
stands
out
dual
benefits
of
waste
management
carbon
neutrality
yet
hurdles
feedstock
variability
efficiency
need
further
attention.
also
identifies
opportunities
improvement,
developing
cost-effective
catalysts
hybrid
systems,
while
emphasizing
future
research
on
improving
tackling
bottlenecks.
By
addressing
these
challenges,
can
play
central
role
the
transition
to
cleaner
systems.
Sustainability,
Год журнала:
2025,
Номер
17(3), С. 929 - 929
Опубликована: Янв. 23, 2025
Faced
with
a
global
consensus
on
net-zero
emissions,
the
use
of
clean
fuels
to
entirely
or
substantially
replace
traditional
has
emerged
as
industry’s
primary
development
direction.
Alcohol–hydrogen
fuels,
primarily
based
methanol,
are
renewable
and
sustainable
energy
source.
This
research
focuses
sustainability
presents
boiler
fuel
blending
system
that
uses
methanol–hydrogen
combinations.
boiler’s
waste
heat
catalytically
decompose
methanol
into
gas
mostly
consisting
H2
CO,
which
is
then
co-combusted
original
improve
thermal
efficiency
lower
emissions.
A
comparative
experimental
study
considering
natural
(NG)
hydrogen
dissociated
(DMG)
was
carried
out
in
small
boiler.
The
results
indicate
that,
controlled
mixed
flow
10
m3/h
an
excess
air
coefficient
1.2,
10%
ratio
maximizes
(ηt),
resulting
3.5%
increase.
also
1%
increase
NOx
25%
decrease
HC
5.66%
improvement
equivalent
economics
(es).
Meanwhile,
DMG
at
15%
increases
ηt
by
3%,
reduces
emissions
13.8%
20%,
improves
es
8.63%.
DMG,
partial
substitute
for
gas,
outperforms
various
aspects.
If
this
technology
can
be
successfully
applied
promoted,
it
could
pave
new
path
sector.
