Green Chemistry,
Journal Year:
2022,
Volume and Issue:
24(20), P. 7763 - 7786
Published: Jan. 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,
Journal Year:
2024,
Volume and Issue:
21, P. 100773 - 100773
Published: July 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 Science & Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 14, 2025
ABSTRACT
The
increasing
demand
for
sustainable
fuels
has
driven
extensive
research
into
biodiesel
production,
which
typically
relies
on
the
use
of
active
catalysts
to
facilitate
transesterification
oils.
While
homogeneous
are
commonly
employed,
they
pose
challenges
in
terms
recyclability
and
environmental
impact,
leading
growing
interest
heterogeneous
catalysts.
Among
these,
metal‐organic
frameworks
(MOFs)
have
gained
attention
due
their
high
surface
area
tuneable
properties.
This
study
investigates
performance
a
copper
benzene‐
1
,
3
5
‐tricarboxylate
(CuBTC)
MOF
as
an
effective
catalyst
production.
CuBTC
was
synthesised
via
solvothermal
method
thoroughly
characterised
using
scanning
electron
microscopy
examine
morphology,
powder
X‐ray
diffraction
determine
crystalline
structure,
Fourier
transform
infrared
spectroscopy
identify
functional
groups.
octahedral
morphology
successfully
catalysed
production
with
unsaturated
fatty
acids
within
C
16
18
range,
achieving
yield
78.6%
wt.%
10:1
methanol‐to‐oil
molar
ratio.
iodine
value
produced
59.3
g
I/g,
higher
heating
39.2
MJ/kg.
Recycled
maintained
its
efficacy,
yielding
76.6%
63.4%
acid
methyl
esters
first
second
recycling
runs,
respectively,
16.6%
15.3%
acids.
met
quality
standards
outlined
EN
14214,
highlighting
CuBTC's
potential
Energies,
Journal Year:
2023,
Volume and Issue:
16(2), P. 844 - 844
Published: Jan. 11, 2023
The
environmental
impact
of
traditional
fuels
and
related
greenhouse
gas
emissions
(GHGE)
has
promoted
policies
driven
towards
renewable
fuels.
This
review
deals
with
green
diesel,
a
biofuel
obtained
by
catalytic
deoxygenation
edible
non-edible
biomasses.
Green
biodiesel,
petrodiesel
are
compared,
diesel
being
the
best
option
in
terms
physical–chemical
properties
reduction
GHGE.
process
types
catalysts,
feedstocks,
operating
conditions
presented.
Reactor
configurations
also
discussed,
summarizing
experimental
studies.
Several
simulations
economic
analyses—up
to
larger
scales—are
gathered
from
literature
that
analyze
potential
as
substitute
for
petrodiesel.
In
addition,
current
industrial
processes
production
introduced.
Future
research
development
efforts
should
concern
catalysts
use
waste
biomasses
feedstock,
well
arrangement
national
international
policies.
