ACS Omega,
Год журнала:
2022,
Номер
7(45), С. 41559 - 41574
Опубликована: Ноя. 4, 2022
Fatty
acid
methyl
ester
(FAME)
from
oil
seeds
is
conventionally
produced
via
a
two/three-process-step
method:
extraction
of
and
subsequent
esterification/transesterification
to
fatty
FAME
(biodiesel).
However,
in
the
present
study,
we
investigated
production
castor
kernel
(CKO)
by
reactive
for
transesterification
single
process
using
heterogeneous
catalyst.
The
content
that
can
be
extracted
was
checked
investigating
several
nonreactive
parameters
such
as
solvent
type
(polar,
nonpolar,
mixture),
ratio,
time.
Maximum
methanol
with
methanol-to-seed
ratio
6.25:1
6
h
viscosity
CKO
obtained
reduced
288.83
19.04
mm2/s
4.09
wt
%
catalyst
concentration
(BaO)
330.9:1
methanol-to-oil
molar
reaction
time
at
64
°C.
Reactive
performed
BaO,
CaO,
ZnO
catalysts.
BaO
results
increased
yield
compared
other
Central
composite
design
(CCD)
response
surface
methodology
(RSM)
implemented
experimental
matrix,
parameter
optimization,
maximize
FAME,
investigate
interaction
effects
temperature
(55-65
°C),
(3-5
%),
(175:1-350:1)
on
FAME.
A
second-order
model
equation
p-value
<
0.05
an
R2
value
near
1.0
predict
input
parameters.
maximum
96.13
94.4%
purity
Therefore,
comparable
conversion
seed
triglyceride
(96.13
%)
step
directly
seeds.
Furthermore,
rheological
behavior
investigation
revealed
dynamic
both
samples
found
dependent
temperature.
Sustainable Chemistry for the Environment,
Год журнала:
2024,
Номер
6, С. 100098 - 100098
Опубликована: Апрель 22, 2024
The
escalating
environmental
concerns
and
burgeoning
energy
crises,
coupled
with
the
desire
to
achieve
net-zero
carbon
emissions
by
2050
avert
potential
climate
change
disaster,
highlight
urgent
need
for
sustainable
production
methods,
innovative
technological
advancements.
Microbial
fermentation
plays
a
pivotal
role
in
pursuit
of
biofuels
chemicals
properties
similar
those
fossil-derived
fuels
chemicals.
Biofuels,
such
as
biohydrogen
biobutanol
derived
from
renewable
sources,
offer
promising,
cost-effective,
eco-friendly
solution
mitigating
long-term
footprint.
Currently,
there
is
surge
interest
(bioH2)
through
dark
using
diverse
biomass
feedstocks,
due
its
capacity
simultaneously
generate
gas
liquid
nonfood
resources.
Furthermore,
incorporation
nanoparticles
process
has
demonstrated
considerable
enhancing
bioH2
yields.
Similarly,
emerges
an
eco-friendly,
less
polluting,
potentially
commercially
viable
substitute
conventional
gasoline.
This
review
emphasizes
spectrum
nanoparticle
applications
biomanufacturing,
particular
focus
on
their
microbial
activities
boost
Additionally,
highlights
underlying
mechanisms
nano-catalyzed
pathways,
future
trends,
prospects
nano-catalysts
advancing
biofuel
technology.
Deleted Journal,
Год журнала:
2024,
Номер
2, С. 100007 - 100007
Опубликована: Май 10, 2024
Amidst
the
dual
challenges
of
burgeoning
global
population
and
escalating
climate
change,
desire
to
develop
implement
sustainable
conversion
lignocellulosic
biomass
(LB)
value-added
products
becomes
more
pronounced.
Green
products,
particularly
bio-derived
fuels
chemicals,
emerge
as
powerful
solutions
for
mitigating
greenhouse
gas
(GHG)
emissions,
combating
warming,
satisfying
energy
needs
humanity.
Today,
concerted
efforts
are
underway
produce
petroleum-derived
liquid
like
butanol
diesel
from
renewable
sources
(e.g.,
LB).
Despite
LB
currently
serving
a
significant
source
many
nations,
widespread
adoption
technologies
that
can
advance
beyond
burning
generation
remains
limited.
Moreover,
utilization
LB-derived
sugars
fermentative
production
chemicals
is
plagued
with
poor
performance,
largely
due
lignocellulose-derived
microbial
inhibitory
compounds
(LDMICs)
during
pretreatment
hydrolysis
into
sugars.
This
review
provides
an
overview
utilization,
providing
insights
both
its
current
status
potential
future
directions.
Specifically,
paper
focuses
on
various
options
sugars,
delving
mechanistic
effects
strategies
abate
LDMICs
pretreatment.
Additionally,
it
explores
innovative
aimed
at
optimizing
second-generation
feedstocks
in
biodiesel
synthesis,
thereby
highlighting
promising
toward
achieving
zero
emissions.
Deleted Journal,
Год журнала:
2024,
Номер
2, С. 100008 - 100008
Опубликована: Май 21, 2024
Biodiesel,
derived
from
non-edible
and
spent
oils,
presents
a
cleaner
more
sustainable
alternative
fuel
source
for
diesel-powered
engines.
This
study
investigates
the
potential
of
converting
Cupressus
sempervirens
seed
oil
into
eco-friendly
biodiesel
using
tellurium
oxide
nanoparticles
synthesized
with
aqueous
leaf
extract
Calendula
arvensis.
Advanced
techniques
were
utilized
to
characterize
catalyst,
revealing
its
crystalline
structure,
particles
averaging
45
nm.
Remarkably,
catalyst
demonstrated
efficient
reusability
over
four
cycles,
achieving
peak
yield
93%
under
specific
reaction
conditions:
methanol
molar
ratio
8:1,
loading
0.62
wt%,
time
120
min,
temperature
92.5
°C.
Results
nuclear
magnetic
resonance
spectrometry
(1H
13C
NMR)
confirmed
successful
conversion
methyl
ester.
Gas
chromatography
mass
(GC-MS)
analysis
identified
9-octadecenoic
acid
ester
as
predominant
fatty
The
properties
met
international
standards,
high
flash
point
(98°C),
ultra-low
sulfur
content
0.0002%,
highlighting
clean
cost-effective
nature.
contributes
significantly
advancing
bioproducts
bioeconomy,
presenting
an
integrated
approach
bioenergy
production
that
simultaneously
addresses
environmental
socio-economic
concerns.
