Biosystems Diversity,
Год журнала:
2024,
Номер
32(1), С. 45 - 59
Опубликована: Янв. 7, 2024
The
second
generation
(2G)
or
cellulosic
ethanol
can
help
with
diversification
of
the
use
fossil
energy
sources.
However,
as
bioconversion
plant
waste
into
2G
bioethanol
requires
expensive
additional
steps
pre-treatment/hydrolysis
lignocellulosic
materials,
and
this
technology
has
not
yet
reached
technological
readiness
level
which
would
allow
it
to
be
scaled-up,
process
needs
more
interdisciplinary
comprehensive
studies.
This
work
was
aimed
at
experimental
study
a
full
cycle
successive
processes
pre-treatment/saccharification
using
cellulolytic
enzymes
filamentous
fungi
fermentation
obtained
syrups
by
xylose-fermenting
yeast,
selected
natural
microorganisms
for
fungal-based
agricultural
ethanol.
Using
Plackett-Burman
Box-Behnken
methods
mathematical
statistics,
optimal
conditions
pre-treatment
enzymatic
hydrolysis
wheat
straw
hemi-
multi-enzyme
complex
fungal
strain
Talaromyces
funiculosus
UCM
F-16795
were
established:
microwave-assisted
alkali
sodium
hydroxide
(NaOH)
solutions
(concentration
range
4.6–4.8%),
saccharification
medium
pH
4,
temperature
40
°С,
duration
18
hours,
dilution
culture
liquid
buffer
solution
1:1.
total
microwave
irradiation
1.2
kJ
ratio
substrate/enzyme
100
mg/1
mL
used.
Under
optimized
conditions,
hydrolysates
contained
5.0–7.5
g/L
reducing
sugars,
which,
according
HPLC
assessment,
0.7–1.0
glucose,
2.2–2.9
xylose
0.7–0.8
cellobiose.
We
used
yeast
in
mixtures
most
important
monosaccharides
hydrolysates,
concentration
relevant
us
during
substrates
T.
enzymes.
Based
on
sequencing
phylogenetic
analysis,
Y-2810
confirmed
Scheffersomyces
stipitis;
its
nucleotide
sequences
ITS
region
28S
gene
rDNA
deposited
GenBank
under
accession
numbers
OP931914
OP931915,
respectively.
ethanologenic
S.
stipitis
studied
design,
assessing
gas
chromatography-mass
spectrometry.
Yeast
static
microaerophilic
showed
1.5
times
higher
rate
production
1.7
greater
efficiency
ethanologenesis
per
biomass
than
submerged
cultivation.
Optimization
resulted
maximum
mixture
being
11.30
±
0.36
ethanol,
values
factors:
30
xylose,
5.5
glucose
cultivation
days.
It
revealed
that
tested
concentrations
did
significantly
affect
xylose-fermentation
non-competitive
inhibition
transport
cells
occur.
demonstrated
potential
based
strains
optimization
all
steps.
Journal of Renewable and Sustainable Energy,
Год журнала:
2024,
Номер
16(3)
Опубликована: Май 1, 2024
Biogas
is
a
product
composed
of
mixture
gases
resulting
from
the
biological
decomposition
organic
material,
consisting
primarily
methane
gas
and
carbon
dioxide,
besides
smaller
amounts
other
gases.
The
current
study
aims
to
comprehensively
analyze
waste-based
biogas
production
ensure
sustainability
in
biofuel
process.
An
advanced
systematic
bibliometric
analysis
using
keywords,
co-citations,
bibliographic
coupling
was
performed
on
641
peer-reviewed
articles
Web
Science
conclude
this
goal
further.
This
covers
period
2000
2022,
little
more
than
20
years.
methodology
used
reveals
several
themes
that
have
been
identified
addressed
articles:
(1)
importance
topic
academia
by
country
which
they
were
analyzed;
(2)
sectors
contributing
production;
(3)
equipment
(4)
most
cited
waste
sources
database;
(5)
application
purpose
biogas;
(6)
relevance
energy
sources;
(7)
areas
interest
where
biofuels
are
used;
(8)
comparison
between
capacity
number
publications
country.
Furthermore,
potentials,
limitations,
perspectives,
future
trends
highlighted
improve
process
also
considered.
Therefore,
conclusion
can
be
sustainable
goods
with
added
value
for
society.
E3S Web of Conferences,
Год журнала:
2025,
Номер
605, С. 03004 - 03004
Опубликована: Янв. 1, 2025
Second-generation
bioethanol
produced
from
lignocellulosic
biomass,
such
as
rice
straw,
is
the
optimal
choice
for
development
due
to
its
abundant
availability,
sustainability,
and
lack
of
competition
with
food
sources.
A
comprehensive
bibliometric
analysis
literature
on
production
straw
was
conducted
identify
research
trends,
knowledge
gaps,
provide
suggestions
further
investigation.
total
483
relevant
publications
2004
June
2024
were
gathered
Scopus
database.
The
performed
using
VOSviewer.
India
emerged
most
productive
country,
while
United
States
influential
country
highest
Total
Citation
Publication
ratio.
According
keyword
occurrence
analysis,
terms
“rice
straw,”
“production,”
“fermentation,”
“bioethanol”
are
commonly
cited
in
all
publications.
Keyword
also
indicates
recent
focus,
which
has
predominantly
centered
pretreatment
straw.
results
study
offer
a
overview
suggest
future
directions
Microfabrication
technology
has
advanced
scientific
understanding
and
expanded
our
molecular
control
capabilities,
enabling
the
development
of
3D
models
in
micrometer
structures.
The
sizes
fluidic
channels
are
arranged
descending
order,
starting
with
macro-,
followed
by
meso-,
micro-,
nanoscale.
These
advances
bring
advantages
speed
up
biological
chemical
experimental
processes.
Such
miniaturized
systems
show
significant
advances,
particularly
meso-
microreactors,
through
high-throughput
screening.
This
work
proposes
a
bibliometric
analysis
applications
Web
Science
(WoS)
database,
analyzing
main
highlights
publications,
indicators,
impact
on
knowledge
production.
In
past
20
years,
approximately
3,934
documents
published
cited,
mainly
major
world
powers
micro-
mesofluidic
systems,
increasingly
expanding
academic
industrial
sectors.
