Waste Cooking Oils as a Sustainable Feedstock for Bio-based Application: A Systematic Review
Journal of Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 1, 2025
Waste
cooking
oils
(WCOs)
are
common
wastes
and
promising
green,
eco-friendly
sustainable
feedstocks
for
bio-based
applications.
While
the
primary
valorisation
strategy
revolves
around
concept
of
waste-to
energy,
new
research
trends
have
emerged
in
last
decade.
This
systematic
review
provides
a
comprehensive
analysis
current
state
art
conversion
WCOs
into
molecules.
Based
on
PRISMA
methodology,
64
papers
were
selected
using
different
databases
sources,
such
as:
PubMed,
ScienceDirect,
Scopus
MDPI.
The
data
extraction
process
focused
studies
reporting
biological
chemical
value-added
bioproducts.
Many
publications
deal
with
development
bioactive
molecules,
including
biosurfactants,
application
pharmaceuticals,
food,
cosmetics,
bioremediation.
Bioconversion
processes
mainly
featured
engineered
Yarrowia
lipolytica
Escherichia
coli
strains,
even
if
additional
microorganisms
also
employed.
In
same
way,
been
thoroughly
studied.
A
smaller
segment
is
directed
to
production
feed
supplements
soaps.
Regulatory
constraints
limit
further
due
potential
contaminants,
while
soap
needs
stability
studies.
present
shows
outcomes
through
molecules
products.
Despite
wide
range
applications,
these
findings
identify
that
scalability
economic
sustainability
require
investigation.
study
seeks
summarize
gaps
advance
industrialization
valorisation.
Language: Английский
Hydrogenation of palmitic acid without external H2: The role of H-donor solvents and Ni-based catalysts in biofuel production
Fuel,
Journal Year:
2025,
Volume and Issue:
392, P. 134874 - 134874
Published: March 3, 2025
Language: Английский
Catalytic hydrogenation of agricultural residues to green diesel: Process optimization with FeMo/Al 2 O 3 catalyst
Vignesh Palani,
No information about this author
S. Narayanan,
No information about this author
A. R. Pradeep Kumar
No information about this author
et al.
International Journal of Green Energy,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 18
Published: March 14, 2025
Language: Английский
Hydrogen‐Free Production of Green Diesel from Deoxygenation of Methyl Palmitate via Cross‐Metathesis with Bio‐Ethylene Using Supported WO3 Catalyst
Mochamad Solehudin,
No information about this author
Kanokwan Wengwirat,
No information about this author
Pratya Promchana
No information about this author
et al.
Chemistry - An Asian Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 16, 2025
Abstract
Traditional
green
diesel
production
from
used
cooking
oils
faces
challenges
in
H
2
supply
and
carbon
loss
as
CO
.
This
study
presents
a
novel
hydrogen‐free
deoxygenation
process
via
cross‐metathesis
between
fatty
acids/FAMEs
bio‐ethylene
under
atmospheric
pressure
an
alternative
sustainable
solution.
The
carboxyl
end
group
was
removed
blue
hydrogen,
bearing
the
hydrocarbons
diesel,
aviation
fuel
(SAF),
bio‐naphtha.
Bifunctional
WO
3
/SiO
prepared
characterized
by
XRD,
XANES,
EXAFS,
DR‐UV,
Raman.
Lewis
site
(W
=
O)
promotes
formation
of
ketene
intermediate
that
undergoes
with
ethylene
over
tungsten
carbene
(WCH
)
sites,
yielding
C16‐ene
majority
trace
amounts
C17‐ene.
Smaller
(<C15)
are
obtained
minor
components
decarbonylation,
hydrogen
transfer,
cracking.
increased
contact
time
(27–106
g
h/mol)
at
460
°C
results
conversion
(30%–87
%),
(12%–57%),
SAF
(3.5%–12.7%),
bio‐naphtha
(1.3%–5.3%).
Optimal
2.92
h⁻¹
73%
selectivity
can
be
achieved
480
°C.
yields
tuned
varying
temperature
to
500
provides
pathway
for
renewable
liquid
fuels
without
external
supply.
Language: Английский
The Chemistry of Oleates and Related Compounds in 2020s
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
In
this
tutorial
review,
the
most
important
and
actual
issues
of
oleochemistry,
including
preparation
oleates
related
compounds
their
transformation
with
without
breaking
CC
bond,
are
addressed
discussed.
Language: Английский
Catalytic conversion of chicken fats into fuel grade hydrocarbons
Biofuels,
Journal Year:
2024,
Volume and Issue:
15(8), P. 983 - 991
Published: Feb. 19, 2024
Fatty
acid
is
considered
as
a
renewable
source
for
producing
transportation
fuel.
As
there
an
ongoing
price
hike
of
diesel
and
kerosene
well
lack
sustainable
fuel
to
mitigate
global
climate
change,
the
current
study
developed
one-step
process
grade
hydrocarbons
production
from
low-grade
chicken
fats
(as
fatty
source)
using
NiO/γ-Al2O3
catalysts.
Results
showed
that
straight-chain
were
obtained
through
deoxygenation
at
different
temperatures
(350
400
°C)
reaction
times
(0.25
1
h).
65%
liquid
yield
87%
degree
optimum
conditions
(400
°C
h)
5
wt%NiO/γ-Al2O3
catalyst,
whereas
product
contains
18.7%
C8
C15
alkanes,
38.5%
hexadecane,
39%
heptadecane
3.8%
C18
C20
alkanes.
Liquid
has
similar
high
heating
value
(HHV)
density
commercial
such
diesel.
This
work
opens
new
research
window
in
field
green
energy
improve
security.
Language: Английский