Green Chemistry,
Год журнала:
2022,
Номер
24(20), С. 7763 - 7786
Опубликована: Янв. 1, 2022
Considering
the
increasing
heavy
energy
demands
and
severe
environmental
issues,
researchers
have
been
searching
for
an
alternative
renewable
source
of
energy,
aiming
to
achieve
carbon
neutralization.
Cleaner Engineering and Technology,
Год журнала:
2024,
Номер
21, С. 100773 - 100773
Опубликована: Июль 2, 2024
The
greater
demand
for
energy
has
led
to
a
surge
in
the
utilization
of
fossil
fuels,
resulting
rapid
depletion
crude
oil
sources.
Regrettably,
this
trend
engendered
significant
negative
environmental
impact,
primarily
due
release
unwanted
carbon
emissions
into
atmosphere.
Biodiesel
been
considered
suitable
substitute
fuels
owing
its
availability
from
renewable
feedstock,
less
polluting,
sustainable
and
high
biodegradability.
However,
production
biodiesel
edible
oils
is
very
expensive
food
versus
fuel
competition
feedstock.
Therefore,
non-edible
such
as
rubber
seed
have
feedstock
their
wide
abundance
different
parts
world.
Rubber
plantations
are
widely
cultivated
latex
discarded
seeds
could
be
potential
source
production.
Hence,
review
considers
extraction
seeds,
free
fatty
acid
compositions,
physicochemical
properties.
It
investigates
explores
variations
various
kinds
catalysts
that
developed
were
examined;
techno-economic
analysis
was
discussed;
merits
challenges
associated
with
use
analyzed.
Energy Conversion and Management X,
Год журнала:
2024,
Номер
23, С. 100628 - 100628
Опубликована: Май 23, 2024
The
pursuit
of
renewable
fuels
for
the
transportation
sector,
particularly
combustion
engines
like
diesel,
is
crucial
in
reducing
greenhouse
gas
emissions.
This
study
introduces
an
innovative
strategy
biodiesel
production
utilizing
marine
macroalgae
Ulva
lactuca
as
primary
feedstock,
emphasizing
sustainability
and
resource
efficiency.
Lipids
were
extracted
from
via
a
Soxhlet
process
characterized
using
GC–MS
FTIR
to
ascertain
fatty
acid
composition
functional
groups.
Cu–BTC@AC
catalyst,
synthesized
lipid-extracted
algae
residue
pyrolysis
hydrothermal
treatment,
underwent
characterization
SEM–EDS,
XRD,
techniques.
Subsequently,
catalyst
was
employed
transesterification
efficiently
convert
algal
lipids
into
biodiesel,
achieving
high
yield
92.56
%
under
RSM-optimized
conditions:
65
°C
temperature,
3.96
wt%
amount,
15:1
methanol-to-lipid
ratio,
140
min
reaction
time.
Kinetic
thermodynamic
parameters
calculated
follows:
Ea
=
33.20
kJ
mol−1,
ΔH#
30.39
ΔS#
–165.86
J
mol−1
K−1,
ΔG#
86.48
mol−1.
analysis
identified
significant
FAME
content
comprising
98.12
its
composition.
Notably,
exhibited
excellent
reusability,
maintaining
80.21
after
third
cycle.
Moreover,
physicochemical
confirmed
compliance
with
ASTM
D6751
specifications,
underscoring
potential
viable
alternative
fuel
sector.
