SAE technical papers on CD-ROM/SAE technical paper series,
Journal Year:
2024,
Volume and Issue:
1
Published: Oct. 28, 2024
<div
class="section
abstract"><div
class="htmlview
paragraph">The
aviation
industry
is
undergoing
environmental
scrutiny
due
to
its
significant
greenhouse
gas
emissions.
Sustainable
fuels
(SAFs)
are
a
vital
solution
for
reducing
carbon
emissions
and
pollutants,
aligning
with
global
efforts
carbon-neutral
growth.
SAFs
can
be
produced
via
multiple
production
routes
from
different
feedstock,
resulting
in
significantly
physical
chemical
fuel
properties.
Their
suitability
compression-ignition
(CI)
aircraft
engine
was
evaluated
through
test
bench
investigations
at
TU
Wien
-
Institute
of
Powertrain
Automotive
Technology
partnership
Austro
Engine.
ASTM
D7566-certified
like
Hydrotreated
Vegetable
Oil
(HVO),
Fischer–Tropsch–Kerosene
(FTK)
or
Alcohol
Jet
(AtJ),
but
also
an
oxygen
containing
biodiesel
have
been
tested
extensively.
Gaseous
emissions,
soot
indication
measurement
data,
efficiencies,
the
were
acquired
comprehensively
analyzed
operation
blends.
Operation
all
investigated
could
demonstrated
successfully
three
representative
operating
points
original
setup.
At
constant
boundary
conditions,
neither
maximum
permitted
in-cylinder
pressure,
pressure
gradient,
exhaust
temperature
exceeded
(nevertheless,
adaption
injection
strategy
recommended).
Ignition
delay
combustion
duration—dependent
on
properties—greatly
influence
formation
incomplete
products
HC
CO
as
well
NO<sub>x</sub>
Especially
extremely
low
cetane
number
AtJ
leads
substantial
increase
premixed
combustion,
which
influences
depending
conditions.
A
aromatic
content
(as
found
HVO)
beneficial
HC,
CO,
absence
ring-like
molecule
structures.
Also,
reduced
adiabatic
flame
contributes
decreased
concentration.
The
high
known
soot,
while
it
increased
comparable
air/fuel
ratios
within
specific
point,
blends
exhibit
CO<sub>2</sub>
emissions.</div></div>
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(2), P. 608 - 608
Published: Jan. 10, 2024
The
liquid
biofuel
bioethanol
is
widely
produced
worldwide
via
fermenting
sugars
extracted
from
a
variety
of
raw
materials,
including
lignocellulose
biomass,
one
the
world’s
most
abundant
renewable
resources.
Due
to
its
recalcitrant
character,
usually
pretreated
by
mechanical,
chemical,
and
biological
methods
maximize
sugar
recovery.
Pretreated
biomass
undergoes
fermentation
process
performed
sequentially
or
simultaneously
saccharification.
different
strategies
(e.g.,
separate
simultaneous
hydrolysis
co-fermentation)
conditions
inoculum
type
load,
agitation,
temperature,
pH)
affect
ethanol
yield.
Genetic
modification
has
been
focused
recently
improve
tolerance
as
well
use
enhance
performance
microorganisms
involved
in
fermentation.
Nonetheless,
these
improvements
result
substantial
increase
costs
have
certain
environmental
costs.
This
review
offers
an
overview
advancements
production,
with
primary
focus
on
lignocellulosic
feedstock,
while
also
considering
other
feedstocks.
Furthermore,
it
provides
insights
into
economic,
social,
impacts
associated
production.
Phycology,
Journal Year:
2025,
Volume and Issue:
5(1), P. 10 - 10
Published: March 3, 2025
Seaweed
is
a
resilient
macrophytic
plant
thriving
in
intertidal
zones.
These
are
rapidly
gaining
attention
due
to
their
autotrophic
nourishment,
rapid
growth,
and
minimal
land
requirement
for
cultivation.
used
various
food
non-food
sectors,
thus
possessing
immense
potential
as
valuable
bioresource
with
high
commercial
value.
However,
utilizing
seaweed
comes
challenges
at
processing
levels,
particularly
cost-effective
downstream
processing.
Hence,
this
review
highlights
the
advancement
biomass
together
its
application
food,
nutraceuticals,
pharmaceuticals,
cosmetics,
sectors.
Additionally,
advancements
cultivation
applications
of
agriculture
biostimulant,
biofuel
production,
packaging
material
also
reviewed.
Finally,
addresses
need
technology
intensification,
public
awareness,
financial
investment
enhance
commercialization
integration
seaweed-based
products
into
bioeconomy.
The
contribute
climate
change
mitigation
circular
economy
underscored,
calling
further
research
development
optimize
multifaceted
applications.
