IOP Conference Series Earth and Environmental Science,
Год журнала:
2024,
Номер
1322(1), С. 012005 - 012005
Опубликована: Март 1, 2024
Abstract
A
comprehensive
understanding
of
the
factors
and
ability
cellulase
enzyme
to
completely
hydrolyze
structural
lignocellulosic
biomass
has
been
a
major
research
focus
over
years.
comparative
analysis
cellulose-cellulase
digestibility
Kraft-pretreated
sawdust
from
twenty
different
Nigeria
wood
wastes
was
carried
out
with
increasing
(
Trichorderma
viride
)
loading
0.4
mg
cm
−3
,
1.0
2.0
4.0
at
constant
substrate
application
10
concentration,
temperature
40°C
2
h
incubation
period.
This
in
order
establish
optimum
cellulase-cellulose
ratio
for
maximum
biodegradation
produce
glucose,
fermentable
sugar.
The
influence
interaction
treatment
resulted
144%
increase
glucose
yield
E.
suaveolen
121%
S.
pustlatas.
while
concentration
gave
674%,
641%
617%
E.suaveolen,
H.
ciliate
A.
germinans
respectively.
general
trend
sugar
formation
observed
an
due
enhanced
cellulose
accessibility
by
leading
effective
saccharification
materials
more
production.
However,
further
failed
commiserate
amount
Sustainability,
Год журнала:
2025,
Номер
17(1), С. 287 - 287
Опубликована: Янв. 2, 2025
The
increasing
demand
for
renewable
energy
sources
has
led
to
significant
interest
in
second-generation
biofuels
derived
from
lignocellulosic
biomass
and
waste
materials.
This
review
underscores
the
pivotal
role
of
valorization
meeting
global
needs,
mitigating
greenhouse
gas
emissions,
fostering
a
circular
bioeconomy.
Key
pretreatment
methods—including
steam
explosion,
pressure
treatment,
chemical
pretreatment—are
analyzed
their
ability
enhance
accessibility
cellulose
hemicellulose
enzymatic
saccharification.
Advances
cellulolytic
enzyme
development
fermentation
strategies,
such
as
use
genetically
engineered
microorganisms
capable
fermenting
both
hexoses
pentoses,
are
discussed
detail.
Furthermore,
potential
biorefinery
systems
is
explored,
highlighting
capacity
integrate
into
biofuel
production
alongside
high-value
bioproducts.
Case
studies
recent
trends
bioethanol
biogas
examined,
providing
insights
current
state
research
its
industrial
applications.
While
hold
considerable
promise
sustainable
emissions
reduction,
challenges
related
cost
optimization,
process
scalability,
technological
barriers
must
be
addressed
enable
large-scale
implementation.
serves
comprehensive
foundation
bridging
gap
between
laboratory
application,
emphasizing
need
continued
innovation
interdisciplinary
collaboration
technologies.
Environmental Technology & Innovation,
Год журнала:
2023,
Номер
32, С. 103307 - 103307
Опубликована: Июль 27, 2023
In
the
current
study,
rice
husk
ash
(RHA)
was
used
as
a
support
in
fabrication
of
heterogeneous
catalyst
(RHA/CuO/K2CO3)
for
generating
biodiesel
from
sunflower
and
castor
oil.
The
value
specific
surface
RHA,
CuO,
RHA/CuO,
RHA/CuO/K2CO3
determined
to
be
3.63,
54.29,
25.47,
8.17
m2/g,
respectively.
Based
on
average
roughness
(Ra),
inclusion
CuO
RHA
structure
improved
which
can
improve
interaction
active
phase
(K2CO3)
with
structure.
maximum
production
(99.2%)
oil
(98.1%)
obtained
at
amount
3
wt%,
'CH3OH:
oil'
molar
ratio
18:1,
reaction
temperature
65
°C,
time
120
min.
activation
energy
transesterification
process
calculated
52.79
40.09
kJ/mol,
Also,
ΔH
number
50.05
37.35
respectively,
shows
that
is
an
endothermic
process.
environmental
factor
(<
0.5),
biocompatibility
produced
fuel
confirmed.
It
should
noted
quality
according
ASTM
D6751
EN
14214
standards
replace
traditional
diesel.
Metabolic Engineering,
Год журнала:
2024,
Номер
84, С. 23 - 33
Опубликована: Май 23, 2024
Metabolic
engineering
for
high
productivity
and
increased
robustness
is
needed
to
enable
sustainable
biomanufacturing
of
lactic
acid
from
lignocellulosic
biomass.
Lactic
an
important
commodity
chemical
used
instance
as
a
monomer
production
polylactic
acid,
biodegradable
polymer.
Here,
rational
model-based
optimization
was
engineer
diploid,
xylose
fermenting
Saccharomyces
cerevisiae
strain
produce
L-lactic
acid.
The
metabolic
flux
steered
towards
through
the
introduction
multiple
lactate
dehydrogenase
encoding
genes
while
deleting
ERF2,
GPD1,
CYB2.
A
93
g/L
with
yield
0.84
g/g
achieved
using
carbon
source.
To
increase
utilization
reduce
acetic
synthesis,
PHO13
ALD6
were
also
deleted
strain.
Finally,
CDC19
pyruvate
kinase
overexpressed,
resulting
in
0.75
g
/g
sugars
consumed,
when
substrate
synthetic
hydrolysate
medium,
containing
hexoses,
pentoses
inhibitors
such
acetate
furfural.
Notably,
modeling
provided
leads
understanding
influence
oxygen
production.
High
xylose,
at
oxygen-limitation
could
be
explained
by
reduced
oxidative
phosphorylation
pathway.
On
contrast,
higher
levels
beneficial
likely
ATP
concentrations
are
tolerating
therein.
work
highlights
potential
S.
industrial
Insects,
Год журнала:
2024,
Номер
15(10), С. 734 - 734
Опубликована: Сен. 24, 2024
Corn
straw
is
considered
a
renewable
biomass
energy
source,
and
its
unreasonable
disposal
leads
to
resource
waste
environmental
pollution.
Black
soldier
fly
(Hermetia
illucens
L.)
larvae
(BSFL)
facilitate
the
bioconversion
of
various
types
organic
wastes.
In
this
study,
we
found
that
88%
BSFL
survived,
37.4%
corn
was
digested
after
14
days
feeding
with
straw.
Contrary
expectations,
pretreatment
alkaline
hydrogen
peroxide
did
not
promote
digestion
but
rather
reduced
growth
survival
rates
BSFL.
Acinetobacter,
Dysgonomonas,
unclassified
Enterobacteriaceae
were
abundant
genera
in
gut
fed
Compared
standard
diet,
relative
abundances
carbohydrate
metabolism
genes,
such
as
gene
β-glucosidase
α-glucosidase,
higher
substrate.
These
results
suggested
microbial
community
could
regulate
suitable
functional
microorganisms
response
substrates.
Furthermore,
four
cellulase-producing
strains,
namely
Klebsiella
pneumoniae,
Proteus
mirabilis,
oxytoca,
Providencia
rettgeri,
isolated
from
guts
strains
helped
increase
conversion
straw,
weights
BSFL,
rates.
summary,
reared
discovered
functions
adapting
We
also
declared
benefits
digesting
