Energies,
Год журнала:
2024,
Номер
17(24), С. 6407 - 6407
Опубликована: Дек. 19, 2024
This
study
is
related
to
producing
a
set
of
fatty
acid
esters
from
different
vegetable
oils
and
C1–C12
alcohols.
A
total
66
products
were
synthesized.
The
obtained
characterized
by
composition,
density,
viscosity,
saponification
value,
iodine
low-temperature
properties,
oxidative
stability.
It
was
established
that
the
as
well
alcohol,
used
has
significant
impact
on
properties.
Comparing
physicochemical
properties
with
existing
standards
specifications,
it
proposed
use
for
industrial
applications.
In
particular,
rapeseed
oil
methyl
are
an
ideal
candidate
application
biodiesel,
while
transesterification
soybean
oil,
sunflower
coconut
higher
alcohols
led
promising
bio-lubricants.
Castor
alkyl
could
potentially
be
utilized
base
due
their
excellent
viscosity
European Journal of Inorganic Chemistry,
Год журнала:
2024,
Номер
27(32)
Опубликована: Ноя. 13, 2024
Abstract
An
innovative
catalytic
system
for
biodiesel
synthesis
starting
from
waste
biomass
(waste
cooking
oil,
WCO)
in
the
presence
of
material
(steel
slags)
as
catalyst
under
microwave
irradiation
is
described.
The
reaction
conditions
were
optimized
by
using
response
surface
methodology
(RSM)
based
on
Box‐Behnken
Design
(BBD)
taking
time,
temperature,
and
weight
factors.
optimum
conditions,
leading
to
97
%
conversion
WCO
into
FAMEs
(fatty
acid
methyl
esters)
found
be:
18
min
134
°C
380
mg
1.0
mL
WCO.
recyclability
was
tested
at
different
experimental
increasing
times
subsequent
cycles,
efficiency
remained
steady.
alkalinity
both
as‐received
steel
slags
recovered
after
three
cycles
with
Hammett
indicator
method.
also
characterized
Scanning
Electron
Microscopy
(SEM),
Energy
Dispersive
X‐ray
Fluorescence
(ED‐XRF),
X‐Ray
Diffraction
(XRD),
Thermogravimetric
Analysis
(TGA),
Photoelectron
Spectroscopy
(XPS).
Energies,
Год журнала:
2024,
Номер
17(24), С. 6407 - 6407
Опубликована: Дек. 19, 2024
This
study
is
related
to
producing
a
set
of
fatty
acid
esters
from
different
vegetable
oils
and
C1–C12
alcohols.
A
total
66
products
were
synthesized.
The
obtained
characterized
by
composition,
density,
viscosity,
saponification
value,
iodine
low-temperature
properties,
oxidative
stability.
It
was
established
that
the
as
well
alcohol,
used
has
significant
impact
on
properties.
Comparing
physicochemical
properties
with
existing
standards
specifications,
it
proposed
use
for
industrial
applications.
In
particular,
rapeseed
oil
methyl
are
an
ideal
candidate
application
biodiesel,
while
transesterification
soybean
oil,
sunflower
coconut
higher
alcohols
led
promising
bio-lubricants.
Castor
alkyl
could
potentially
be
utilized
base
due
their
excellent
viscosity
