Energy Conversion and Management X,
Journal Year:
2024,
Volume and Issue:
23, P. 100628 - 100628
Published: May 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.
