Carbon Neutrality,
Journal Year:
2024,
Volume and Issue:
3(1)
Published: Oct. 31, 2024
Abstract
The
application
of
biomass
energy
is
one
the
important
ways
to
achieve
carbon
neutrality
and
deal
with
global
warming.
study
on
combustion
mechanism
anisole,
an
oxygen-containing
fuel,
helpful
for
biofuel
large-scale
application.
In
this
study,
soot
formation
laminar
characteristics
anisole
were
analyzed
by
reactive
force
field
molecular
dynamics
(ReaxFF
MD)
kinetic
simulation,
respectively.
ReaxFF
MD
simulation
studies
had
shown
that
occurred
in
three
stages,
stage
1
(0–1
ns),
2
(1–2.5
3
(2.5–6
ns).
stages
represented
pyrolysis
developmental
soot,
graphitization
During
primary
mechanisms
as
follows:
H-abstraction-C
H
-addition,
carbon-addition-hydrogen-addition,
internal
ring
long
chain
link.
exhibited
different
morphologically
behaviors:
from
flakes
onions
spheres
fewer
branched
chains.
From
it
can
be
found
burning
velocities
increased
along
increase
temperature,
while
opposite
trend
was
pressure.
sensitivity
coefficient
naphthalene,
main
precursor,
revealed
promotional
reactions
R5
(O
+
<
=
>
O
OH),
R36
(CO
OH
CO
H).
International Journal of Engine Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
Ammonia
(NH
3
)
has
recently
emerged
as
a
promising
alternative
fuel
for
both
internal
and
external
combustion
engines.
The
of
pure
ammonia
does
not
produce
unwanted
pollutant
emissions
such
oxides
carbon,
total
unburned
hydrocarbon
(THC),
particulates.
Additionally,
contains
17.8%
by
mass
hydrogen
(H
2
),
making
it
potential
storage.
However,
its
narrow
flammability
range,
low
reactivity,
flame
propagation
speed
have
limited
engine
performance.
To
address
these
issues,
this
study
was
conducted
to
explore
the
use
multiple
generation
ammonia-methane
blend
approaches
enhance
improve
utilized
novel
metal
liner
generate
flames
inside
chamber
installed
four
spark
plugs,
well
an
additional
plug
at
top
cylinder
head,
similar
spark-ignition
engine.
Furthermore,
investigated
effect
adding
methane
combustion,
with
fractions
ranging
from
30%
60%
in
terms
energy
fraction.
process
initiated
various
ignition
cases,
high-speed
natural
flame-luminosity
(NFL)
technique
capture
cases.
results
showed
that
led
stable
resulting
better
efficiency
due
faster
rate.
found
increasing
fraction
mixture
increased
in-cylinder
pressure
heat
release
rate
(HRR),
improving
performance
significantly.
higher
NO
x
were
observed
mixture,
fuel-bound
thermal
caused
temperatures.
also
THC
CO
while
mixture.
Moreover,
cases
produced
lower
than
single
case
because
burned
air-fuel
rapidly.
Energies,
Journal Year:
2025,
Volume and Issue:
18(6), P. 1524 - 1524
Published: March 19, 2025
This
comprehensive
techno-economic
analysis
focuses
on
a
proposed
power
plant
that
uses
cleaner
alternatives
to
traditional
combustion
methods.
The
study
meticulously
examines
ternary
blends
of
ammonia,
refuse-derived
fuels
(RDFs),
and
coal.
Utilizing
an
Aspen
Plus
simulation
equilibrium
model,
thorough
review
the
relevant
literature,
evaluation
reports
biomass-to-energy
plants
ammonia
combustion,
spans
20
years.
It
considers
vital
financial
metrics
such
as
net
present
value
(NPV),
internal
rate
return
(IRR),
payback
period
(PBP).
findings
indicate
pure
coal
is
most
energy-efficient
but
has
highest
global
warming
potential
(GWP).
In
contrast,
RDF
significantly
reduce
GWP,
with
showing
3215%
lower
GWP
than
Economically,
remains
attractive
option.
However,
80%
coal,
10%
also
show
promise
PBP
11.20
years
at
15%
discount
rate.
These
results
highlight
balance
environmental
economic
considerations
in
generation.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(12)
Published: March 1, 2025
Abstract
Bioelectrocatalysis
has
advanced
ammonia
production
by
integrating
enzyme‐based
processes
into
electrochemical
methods,
providing
chemical
manufacturers
with
a
distinct
alternative
to
the
traditional
Haber–Bosch
process.
The
review
discusses
latest
developments
in
catalysis
that
have
been
shown
enhance
synthesis,
efficiency,
and
sustainability.
We
also
discuss
development
of
designed
bioelectrocatalysts,
including
nitrogenase‐inspired
enzymes
engineered
microbes,
which
enable
reduction
atmospheric
nitrogen
under
mild
conditions.
Also
study
highlights
most
recent
e‐BNF
advancements,
focusing
on
innovations
efficiency
scalability.
Nanomaterial
integration
simplifies
ATP‐independent
fixation,
enhancing
electron
transfer
normal
conditions,
while
exploring
its
scalability
implications
for
green
chemistry
industrial
applications
as
sustainable
Eventually,
these
technologies
their
applications,
comprehensive
overview
current
advancements
future
research
directions.
Atmosphere,
Journal Year:
2025,
Volume and Issue:
16(5), P. 519 - 519
Published: April 29, 2025
Evaluating
the
impact
on
roadside
environments
of
NH3
from
vehicle
emissions
is
important
for
protecting
ecosystem
air
pollution
by
fine
particulate
matter
and
nitrogen
deposition.
This
study
used
passive
samplers
to
measure
NOX
at
multiple
points
near
a
major
road
observe
distribution
these
gases
in
area.
The
emitted
vehicles
environmental
concentration
different
distances
was
found
be
similar
that
NO2.
rapidly
decreased
due
dilution
diffusion
within
approximately
50
m
road,
after
100
remained
almost
same
or
slowly.
Furthermore,
CO2
observations
taken
period
along
background
yielded
vehicular
emission
factor
4–50
mg/km
NH3,
which
comparable
with
previous
research.
level
contributes
4–11
ppb
concentrations
through
process.
A
correlation
between
factors
trade-off
relationship
seen
when
single-vehicle
exhaust
measured.
