E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
585, P. 05002 - 05002
Published: Jan. 1, 2024
The
growing
demand
for
edible
oils
food
and
fuel
has
increased
interest
in
non-
like
waste
cooking
(WCOs)
biodiesel
production.
However,
faces
challenges,
such
as
low
oxidative
stability
poor
cold
flow
properties.
These
properties
are
influenced
by
the
composition
of
fatty
acid
methyl
esters
(FAMEs),
particularly
their
degree
unsaturation.
While
compression
ignition
(CI)
engines
can
accommodate
up
to
30%
blends
with
diesel
without
modification,
higher
content
requires
engine
upgrades.
This
study
explores
upgrading
WCO
sample
via
partial
hydrogenation
its
polyunsaturated
FAMEs
catalyzed
in-situ
synthesized
water-soluble
Ru/TPPTS.
methodology
includes
EN
ISO
standard
methods
gas
chromatography-mass
spectrometry
(GC-MS)
analysis
characterization
before
after
upgrading.
results
demonstrate
that
Ru/TPPTS
catalytic
system
effectively
altered
biodiesel.
Specifically,
significantly
reduced
percentage
unsaturated
linoleic
(C18:2)
ester
while
concurrently
increasing
saturated
stearic
(C18:0)
ester.
compositional
change
led
an
increase
hydrogenated
sample.
Nevertheless,
further
research
is
needed
meet
limit
outlined
standard.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(4)
Published: Jan. 1, 2025
Abstract
Waste
cooking
oils
are
commonly
utilized
as
feedstock
in
biodiesel
synthesis.
However,
there
has
been
limited
research
on
the
perspective
of
using
waste
olive
oil
for
production.
This
study
explores
potential
household
frying
a
production
andcomparing
it
with
sunflower
oil.
The
samples
were
evaluated
according
to
European
standard
specifications
and
test
methods
EN
14214.
water
content
oxidation
stability
did
not
meet
required
criteria.
To
address
this,
Rancimat
method
was
used
investigate
essential
plant
extracts
antioxidants.
Oregano
rosemary
significantly
improved
both
biodiesel.
analysis
fatty
acid
profile
through
gas
chromatography–mass
spectrometry
proved
be
critical
determinant
properties.
Moreover,
use
ultrasound‐assisted
synthesis
enhanced
yield
findings
have
indicated
that
is
sustainable
option
produce
high‐yield
noteworthy
antioxidant
when
natural
antioxidants
incorporated
into
mixture.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(21), P. 9767 - 9767
Published: Oct. 25, 2024
The
current
energy
scenario
requires
the
use
of
alternatives
for
petrol-based
products.
In
this
context,
role
biodiesel
and
biolubricants
can
be
promising,
offering
multiple
advantages
but
also
some
challenges
like
their
low
oxidation
stability.
antioxidants
offset
disadvantage,
improving
general
performance
these
products
during
storage
or
usage.
aim
work
was
to
assess
combined
separate
two
different
(propyl
gallate,
PG,
tert-butylhydroquinone,
TBHQ)
on
biolubricant
based
waste
cooking
oil
(WCO),
carrying
out
a
thorough
characterization
quantification
through
voltammetry
techniques.
Thus,
innovation
consists
in
its
simultaneous
quality
assessment
quantification.
As
result,
did
not
offer
synergistic
effect,
PG
at
concentrations
(300
ppm)
is
recommended
case
WCO
biolubricant.
Voltammetry
suitable
fast
method
quantify
both
TBHQ.
E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
529, P. 02013 - 02013
Published: Jan. 1, 2024
The
paper
explores
the
ability
of
biomass
as
a
renewable
energy
source
globally
and
analysis
waste
generation
bioenergy
abilities.
It
highlights
significance
sustainable
control
performance
numerous
conversion
technology
in
producing
bioenergy,
biofuels,
bio-chemical
compounds.
study
worldwide
initiatives
challenges
confronted
maximizing
capability,
specially
inside
sector.
emphasizes
need
for
improved
management
strategies,
technological
improvements,
political
guidance
to
enhance
contribution
demands.
