Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 17, 2023
Abstract
The
increasing
recognition
of
issues
related
to
the
production
rice
straw
has
spurred
global
interest,
particularly
in
India,
reclaim
generated
during
cultivation
mitigate
pollution.
present
study
focuses
on
zero
waste
principle,
which
promotes
long-term
sustainable
socio-economic
and
environmental
benefits
through
conversion
into
biofertilizers.
8-day
process
involves
hydrolyzing
delignified
using
Aspergillus
niger
P-19
capable
producing
multiple
hydrolytic
enzymes
while
Klebsiella
pneumoniae
AP-407
grows
nutrients
hydrolysate,
providing
plant
growth-promoting
traits.
This
method
produces
liquid
carrier
biofertilizer
formulations
from
a
single
with
high
microbial
population
is
economically
attractive
as
it
can
be
achieved
fermenter
vessel
without
requiring
external
enzyme
loading
or
substances.
feasible
solution
for
management
follows
basic
principles
circular
economy.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(2), P. 608 - 608
Published: Jan. 10, 2024
The
liquid
biofuel
bioethanol
is
widely
produced
worldwide
via
fermenting
sugars
extracted
from
a
variety
of
raw
materials,
including
lignocellulose
biomass,
one
the
world’s
most
abundant
renewable
resources.
Due
to
its
recalcitrant
character,
usually
pretreated
by
mechanical,
chemical,
and
biological
methods
maximize
sugar
recovery.
Pretreated
biomass
undergoes
fermentation
process
performed
sequentially
or
simultaneously
saccharification.
different
strategies
(e.g.,
separate
simultaneous
hydrolysis
co-fermentation)
conditions
inoculum
type
load,
agitation,
temperature,
pH)
affect
ethanol
yield.
Genetic
modification
has
been
focused
recently
improve
tolerance
as
well
use
enhance
performance
microorganisms
involved
in
fermentation.
Nonetheless,
these
improvements
result
substantial
increase
costs
have
certain
environmental
costs.
This
review
offers
an
overview
advancements
production,
with
primary
focus
on
lignocellulosic
feedstock,
while
also
considering
other
feedstocks.
Furthermore,
it
provides
insights
into
economic,
social,
impacts
associated
production.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(11), P. 9137 - 9137
Published: June 5, 2023
This
study
aimed
to
explore
the
viability
of
converting
potato
peel
waste
into
bioethanol
using
a
custom-produced
multi-enzyme
preparation.
Various
pretreatment
approaches
were
employed
on
peels,
including
thermal,
chemical,
and
thermo-chemical
methods.
These
methods
involved
boiling
for
30
60
min,
steaming
at
different
pressures
durations,
applying
concentrations
chemicals,
H2SO4,
HNO3,
CH3COOH,
HCl,
NaOH,
Ca(OH)2,
KOH,
NH3,
H2O2,
either
individually
or
in
combination
with
steam
treatment.
The
pretreated
peels
subsequently
subjected
enzymatic
hydrolysis
crude
cocktail
obtained
from
solid-state
fermentation
wheat
bran
by
naturally
occurring
strain
Aspergillus
niger
P-19.
enzyme
consisted
cellulases,
hemicellulases,
pectinase,
amylases.
most
effective
use
3%
H2SO4
followed
treatment
under
pressure,
utilizing
resulted
highest
concentration
reducing
sugars
(141.04
±
12.31
g/L),
carbohydrate
conversion
rate
98.49%
when
substrate
loading
20%
was
used.
As
result,
an
ethanol
yield
43.2
3.82
g/L,
representing
21.6%
based
dry
matter,
achieved.
Furthermore,
supplementing
medium
peptone,
(NH4)(H2PO4),
ZnSO4
0.1%
w/v
each,
along
solid
loadings
22%
24%,
respectively,
achieved
improvements
51.67
g/L
54.75
g/L.
However,
maximum
productivity
23.4%
observed
loading,
compared
22.8%
24%
matter.
Applied Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 9, 2024
Abstract
This
study
demonstrates
evidence
that
the
mass
transfer
process
of
an
enzyme
(a
biocatalyst)
is
rate‐limiting
step
in
starch
hydrolysis
reaction
during
food
digestion.
The
significance
this
work
has
been
to
compare
rate
by
salivary
enzymes
with
enzymes.
research
applied
and
engineering
theory
a
quantitative
hydrolysis,
dimensionless
group,
Damköhler
number
(
Da
),
calculated
based
on
glucose
measurements
from
beaker
stirrer
system.
values
(0.3–19)
indicate
both
time
constant
for
are
significant
parameters.
Scanning
electron
microscopy
images
emphasize
compression
(simulated
mastication)
helps
break
plant
cell
wall
starch.
Mass‐transfer
resistance
needs
be
considered
digestion
studies.
numbers
significantly
affected
forces
(internal
mass‐transfer
coefficients)
speeds
(external
Green Energy and Environmental Technology,
Journal Year:
2025,
Volume and Issue:
4
Published: Feb. 28, 2025
As
of
2023,
coal,
oil,
and
natural
gas,
which
are
non-renewable
fossil
fuels,
account
for
about
80%
the
world’s
energy
consumption.
This
underscores
pressing
necessity
alternative
sources
in
light
worsening
climate
crisis.
Apart
from
problems,
this
review
evaluates
potential
microbial
fuel
cells
biofuel
production,
contributes
to
just
10–20%
total
consumption
due
its
relatively
low
environmental
impact.
The
aim
systematic
is
elucidate
their
role
producing
a
range
bio-based
including
biogas,
biodiesel,
bioethanol,
biobutanol.
findings
categorized
into
ten
main
areas:
biomass
conversion
techniques,
substrates
strains,
design
components
cells,
strain
improvement
through
metabolic
engineering,
enhancements
nanomaterials
advantages
disadvantages
biofuels,
integration
biorefineries,
applications,
challenges
limitations,
future
trends
cell
technology.
also
promise
as
sustainable
eco-friendly
option
bioenergy
emphasizing
need
advancements
efficiency
compete
with
conventional
fuels.
Harnessing
innovative
strategies
pertaining
technology
(MFCs)
can
potentially
transform
generation
more
commercially
viable
practice,
positively
impacting
conservation
public
health.
