Silniki Spalinowe/Combustion Engines,
Journal Year:
2024,
Volume and Issue:
198(3), P. 41 - 47
Published: April 6, 2024
The
article
presents
the
definition
of
bioindustry,
in
particular
biorefinery.
technology
for
obtaining
synthetic
fuel
EtG
(Ethanol
to
Gasoline)
a
plant
using
bioethanol
from
food
waste
was
presented.
physicochemical
properties
were
stands
out
due
its
limited
content
benzene
and
sulfur
low
mechanical
impurities
heavy
metals.
can
be
considered
replacement
motor
gasoline.
results
exhaust
emissions
tests
vehicles
with
spark-ignition
engines
WLTC
test
on
hot
cold
engine
It
found
that
is
characterized
by
lower
specific
distance
CO,
NOx
CH4
slightly
higher
NMHC
when
starting
compared
gasoline,
while
emission
CO2
both
fuels
very
similar.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(6), P. 3988 - 3999
Published: Jan. 1, 2025
In
this
work,
the
effect
of
Ni
doping
on
coke
formation
and
activity
a
novel
hierarchical
HZSM-5
zeolite
catalyst
in
conversion
1-propanol
to
fuel
blends
was
investigated.
Fermentation,
Journal Year:
2025,
Volume and Issue:
11(4), P. 204 - 204
Published: April 9, 2025
Efficient
co-fermentation
of
glucose
and
xylose
remains
a
critical
hurdle
in
second-generation
bioethanol
production.
In
this
study,
we
evaluated
two
non-Saccharomyces
yeasts—Wickerhamomyces
anomalus
UEMG-LF-Y2
Diutina
rugosa
UEMG-LF-Y4—under
mixed-sugar
conditions.
D.
exhibited
superior
metabolism
ethanol
productivity,
achieving
maximum
volumetric
productivity
(QP)
0.55
g/L·h
medium
containing
20
g/L
40
xylose.
Its
highest
yield
(YP/S)
reached
0.45
g
EtOH/g
sugar,
comparable
to
results
from
engineered
Saccharomyces
cerevisiae
strains.
By
contrast,
W.
displayed
lower
yields
(0.24–0.34
g/g)
greater
sensitivity
catabolite
repression
induced
by
2-deoxyglucose
(2-DG).
Xylose
consumption
exceeded
80%
high-xylose
media,
while
left
residual
under
all
tested
A
strong
inverse
correlation
(r
<
−0.98)
between
accumulation
uptake
was
observed,
especially
for
anomalus,
indicating
ethanol-induced
inhibition
as
key
challenge.
These
findings
highlight
the
potential
robust
platform
lignocellulosic
processes,
whereas
may
benefit
further
metabolic
or
process
optimizations.
Future
research
should
address
tolerance,
inhibitory
byproducts,
large-scale
feasibility
fully
exploit
these
strains
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(6), P. 515 - 515
Published: May 23, 2025
NASICON-type
titanium
and
zirconium
phosphates
doped
with
rare-earth
cations,
A0.33M2(PO4)3
(M
=
Ti,
Zr;
A
Dy,
Y,
Yb),
were
synthesized
using
the
sol–gel
method
investigated
as
catalysts
for
ethanol
dehydration
at
300–400
°C.
The
characterized
via
XRD,
SEM,
BET,
FTIR
spectroscopy.
relationships
between
catalyst
composition,
acidity
activity
evaluated.
Diethyl
ether
(DEE)
formation
is
promoted
by
presence
of
(ZrP),
while
phosphate
(TiP)
catalyzes
both
ethylene
diethyl
(DEE).
application
Fourier-transform
infrared
(FTIR)
spectroscopy
to
analysis
adsorbed
C6H6
has
revealed
hydroxyl
groups
exhibiting
varying
degrees
proton-donating
mobility.
This
finding
enabled
correlation
structure
active
sites
process’s
selectivity.
results
underscore
key
function
OH-group
localization
framework
geometry
in
control
form-selective
reactions.
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 29, 2024
Abstract
As
efforts
intensify
to
address
the
environmental
impact
of
agricultural
waste,
valorization
Manihot
esculenta
peel
(MEP)
for
sustainable
engineering
applications
presents
a
unique
opportunity
repurpose
this
class
waste
achieve
sustainability
development
goals
while
promoting
socio-economic
pollutant.
The
inherent
properties
MEP,
such
as
its
richness
in
carbohydrates
and
cellulose,
make
it
useful
raw
material
producing
biofuels,
bioethanols,
biocomposites,
other
materials.
Its
resilience
adverse
conditions
also
makes
MEP
well-suited
cultivation
diverse
agroecological
settings,
further
enhancing
appeal
resource.
While
existing
review
articles
provide
valuable
insights
into
utilization
across
various
industries,
they
often
overlook
comprehensive
applications,
creating
notable
knowledge
gap.
Through
systematic
examination
innovative
approaches
documented
literature,
research
seeks
bridge
gap
by
elucidating
strategies
repurposing
cassava
materials
mitigate
pollution
promote
resource
utilization.
By
synthesizing
identifying
key
gaps,
study
advances
understanding
peel’s
potential
facilitates
transition
toward
greener
practices.
Biofuels,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 14
Published: June 29, 2024
This
study
investigates
the
conversion
of
Opuntia
ficus-indica
waste
(pears,
peels,
and
seeds)
into
bioethanol.
The
research
was
done
in
two
steps.
first
objective
this
work
to
evaluate
optimal
conditions
autohydrolysis
pretreatment
(AP)
on
these
lignocellulosic
materials.
Experimentation
involved
assessing
various
temperatures
(121
°C,
150
180
°C)
against
a
fixed
solid-to-liquid
ratio
1:10.
Response
Surface
Methodology
employed
for
optimization
process.
highest
glucose
saccharose
concentrations,
0.251
mol/l
2.81
mol/l,
respectively,
were
observed
at
°C
over
15
min.
second
part
focused
fermenting
pretreated
biomass
maximize
ethanol
concentration
after
autohydrolysis.
Both
water
kefir
Saccharomyces
cerevisiae
separately
combined
assess
their
effectiveness
concentration.
fermentation
conducted
30
with
solution-yeast
ferment
70:30.
most
efficacious
condition
121
min
using
kefir,
which
resulted
an
16%.
process
highlights
potential
cactus
pear
cellulosic
production,
offering
sustainable
energy
source
solution
agricultural
management.
