Abstract
This
study
investigates
the
co‐hydroprocessing
of
light
cycle
oil
(LCO)
with
waste
cooking
(WCO)
as
a
potential
strategy
to
enhance
LCO′s
qualities
and
overall
performance.
The
involves
integration
LCO
WCO
in
three
different
ratios,
facilitating
combined
hydrotreatment
process
within
fixed
bed
continuous
down‐flow
reactor.
findings
reveal
that
incorporating
into
enhances
properties,
albeit
minor
reduction
hydrodesulfurization
efficacy.
demonstrates
approximately
10.7
%
density
26
cetane
number
improvements
compared
LCO/WCO
(70/30)
blend
at
380
°C.
most
significant
di
poly‐aromatic
compounds
is
observed
340
°C
for
pure
LCO,
while
inclusion
has
minimal
impact
on
saturation.
yield
range
medium
distillates
across
all
products
between
87
93
%.
time‐on‐stream
suggests
excellent
catalyst
stability
activity
up
456
h,
which
one
highest
lifetimes
reported
so
far.
TGA
spent
indicates
22
wt
coke
deposition
complemented
by
TEM
results.
FTIR
analysis
revealed
absorptions
alicyclic
hydrocarbons‐type
deposited
over
surface.
research
contributes
development
innovative
catalysts
selectively
converting
diesel‐range
hydrocarbons
through
single‐step
process.
Energy & Fuels,
Год журнала:
2023,
Номер
37(23), С. 18266 - 18290
Опубликована: Ноя. 16, 2023
The
development
of
oil
refining
in
advanced
nations
is
mostly
focused
on
low-carbon
fuel.
Similar
efforts
are
being
made
to
improve
the
fuel
efficiency
internal
combustion
engines,
which
will
result
lower
exhaust
emissions.
Furthermore,
by
assessing
indicated
trends
engine
building,
it
important
for
manufacturers
understand
how
requirements
gasoline
quality
indicators
change,
primarily
its
knock
resistance.
aim
current
comprehensive
article
study
state-of-the-art
review
emphasizing
recent
progress
and
prospects
producing
high-octane
toward
market
development.
branded
multifunctional
additives,
involving
friction
modifiers,
corrosion
inhibitor
components,
as
well
detergent
components
presented.
motor
gasoline,
antiknocking
characteristics
oxygenated
compounds
exhibited.
Besides,
perspective
technologies,
including
different
types
declared.
formulation
effective
surrogates
a
challenging
task
due
strategies,
design,
variable
operating
conditions
spark-ignition
engines.
extensive
direct
injection
turbocharging
technologies
constrained
actual
compression
ratio
Likewise,
an
increase
resistance
produced
would
further
new
Fermentation,
Год журнала:
2024,
Номер
10(4), С. 178 - 178
Опубликована: Март 23, 2024
Single-cell
oils
(SCOs)
offer
a
promising
alternative
to
conventional
biodiesel
feedstocks.
The
main
objective
of
this
work
was
obtain
SCOs
suitable
for
production
from
the
oleaginous
yeast
Rhodotorula
glutinis
R4
using
sugarcane
vinasse
local
sugar-derived
alcohol
industry
as
substrate.
Additionally,
crude
glycerol
evaluated
low-cost
carbon
source
replace
expensive
glucose
and
strategy
integrating
bioethanol
industries
valorization
both
agro-industrial
wastes.
achieved
high
lipid
accumulation
88%
60%
(w/w)
in
vinasse-based
culture
media,
containing
10%
25%
with
(40
g
L−1),
respectively.
When
replaced
glycerol,
showed
remarkable
(40%)
growth
(12.58
L−1).
fatty
acids
profile
prevalence
oleic
acid
(C18:1),
making
them
synthesis.
Biodiesel
derived
exhibits
favorable
characteristics,
including
cetane
number
(CN
=
55)
oxidative
stability
(OS
13
h),
meeting
international
standards
(ASTMD6751
EN14214)
ensuring
its
compatibility
diesel
engines.
R.
produces
contributing
circular
economy
sustainable
production.
Energy Sources Part A Recovery Utilization and Environmental Effects,
Год журнала:
2024,
Номер
46(1), С. 6566 - 6585
Опубликована: Май 12, 2024
Global
energy
demand
has
been
above
80%
fossil
fuels
for
decades,
creating
a
greater
and
more
complicated
crisis.
Biodiesel
is
great
alternate
source
future
demand.
Producing
biodiesel
from
mixture
of
waste
non-edible
oils
may
be
practical
solution
to
address
the
growing
global
need
biodiesel.
In
this
study,
hybrid
produced
ternary
oil
Waste
cooking
oil,
Ricinus
communis
Melia
azedarach
oil.
The
blends
are
prepared
by
10%
blending
(HB10),
20%
(HB20)
30%
(HB30)
30ppm
multiwall
carbon
nanotube
added
in
blended
fuel
through
sonicating
process.
At
steady
1500rmp
variable
load
(0–100%),
engine
behavior
examined.
results
show
that
blend
(HB10)
with
MWCNT
shown
highest
cylinder
pressure
70.9
bar,
maximum
mean
gas
temperature
1467.56°C.
shows
34.08%
rise
net
heat
release
9.13%
exhaust
as
compare
diesel.
break
thermal
efficiency
19.74%
minimum
reduction
specific
consumption
13.79%
noticed
comparison
B00.
HC
emission
found
20.83%
HB20MWCNT30
19.34%
HB30MWCNT30
inclusion
reduces
HC,
CO,
NOx
smoke
increases
CO2
respective
biodiesel-diesel
blend,
can
utilized
efficiently
diesel
improved
overall
behavior.
