AIMS environmental science,
Journal Year:
2024,
Volume and Issue:
11(2), P. 248 - 278
Published: Jan. 1, 2024
<abstract>
<p>Cassava
(<italic>Manihot
esculenta</italic>
Crantz)
has
garnered
global
attention
due
to
its
importance
as
a
crucial
raw
material
for
ethanol
and
other
derivative
production.
Nonetheless,
agroindustry
generates
substantial
amount
of
residues.
We
examined
the
potential
utilization
co–products
from
both
agricultural
industrial
sectors
concerning
starch
extraction
processes.
A
total
319
million
tons
fresh
cassava
roots
are
globally
produced,
yielding
up
55%
during
harvesting.
For
every
ton
extracted,
2.5
bagasse,
along
with
100
300
kg
peel
per
processed
cassava,
17.4
m<sup>3</sup>
residual
liquid
tributaries
generated.
Consequently,
solid
biomass
solid/liquid
residues
could
be
directed
towards
cogenerating
bioenergy
such
bioethanol,
biobutanol,
biodiesel,
bio–oil,
charcoal,
bioproducts.
In
conclusion,
conversion
agroindustrial
into
food
non–food
products
high
added
value
promoted,
thus
fostering
circular
economy
enhance
profitability,
sustainability,
crop
promotion.</p>
</abstract>
New Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
This
work
studies,
for
the
first
time,
potential
of
a
laccase
from
endophyte
fungus
Hormonema
sp.
CECT-13092,
compared
to
saprophyte
Trametes
villosa,
delignification
and
detoxification
steam-exploded
eucalypt
improve
subsequent
bioethanol
production.
Regarding
delignification,
use
T.
villosa
laccases
did
not
show
evidence
material,
rather
low
glucose
xylose
recoveries
were
obtained
during
saccharification
assays
laccase-treated
samples
with
their
respective
controls.
With
regard
detoxification,
reduction
total
phenolic
inhibitors
content
presents
in
material
by
both
(phenols
removal
47%
60%
laccases,
respectively),
triggered
fermentation
Saccharomyces
cerevisiae
when
0.2gL-1
inoculum
was
used
simultaneous
(SSF)
process.
Moreover,
increased
0.2
1.0gL-1,
shortened
yeast
lag
phase
SSF
Then,
faster
consumption
ethanol
production
rates
(ethanol
productivity
values
0.25
0.28gL-1
h-1
respectively,
0.02gL-1
control
samples)
noticed.
fact
proves
high
this
new
entophytic
fungal
enhancement,
comparable
commercial
laccases.
Frontiers in Energy Research,
Journal Year:
2025,
Volume and Issue:
13
Published: April 23, 2025
Unlike
conventional
bioethanol
production,
which
raises
environmental
concerns
such
as
a
high
carbon
footprint
from
resource-intensive
crops,
deforestation,
and
food
security
issues,
non-conventional
production
offers
more
sustainable
alternative.
However,
non-traditional
feedstock
availability
its
pretreatment
are
the
main
challenges,
importantly
is
either
underreported
or
poorly
forecasted,
while
costly,
reaching
up
to
40%
of
overall
process
it
might
generate
inhibitors
that
hamper
ethanol
in
commercial
scale,
well
impact.
The
literature
further
lacks
recent
update
for
microbial
ability
ferment
these
feedstocks
their
tolerance
compared
with
yeast.
Therefore,
this
review
discusses
Europe’s
national
levels
pretreatment,
highlighting
pretreatment’s
cost
industrially,
scalability,
impact
on
fermentation
environment.
Moreover,
European
policies
commercialization
discussed,
emphasizing
revised
RED
III
policy,
certification
scheme,
how
eliminate
fraudulent
biofuel
imports
boost
advanced
production.
Finally,
pilot-scale
case
studies
investigated
methods
besides
microbes’
ability,
inhibitors,
techniques
immobilization
improve
yield.
