Carbon Resources Conversion,
Год журнала:
2024,
Номер
unknown, С. 100245 - 100245
Опубликована: Апрель 1, 2024
This
study
demonstrates
the
conversion
of
sugarcane
bagasse
(SB)
into
single
cell
oil
(SCO),
sulfonated
carbon-based
catalyst
and
biodiesel;
this
process
aligns
with
waste-to-energy
circular
bioeconomy
concepts.
SB
was
treated
dilute
sulfuric
acid
to
achieve
hydrolysate
(SBH)
solid
residue
(SBS).
Candida
tropicalis
KKU-NP1,
a
newly
isolated
yeast,
accumulated
SCO
content
26.5
%
from
undetoxified
SBH
medium.
A
novel
(SBS@SC)
generated
SBS
by
one-step
hydrothermal
sulfonation
process.
It
showed
significant
catalytic
activity
for
SCO-rich
KKU-NP1
wet
biodiesel
(FAME)
under
direct
transesterification
optimal
conditions,
FAME
yield
90.1
%.
Based
on
profile,
most
estimated
physicochemical
fuel
properties
were
within
limits
ASTM
D6751
EN
14214
standards.
For
integrated
final
production
about
12.0
g
SCO,
606.3
SBS@SC
10.8
1000
raw
achieved.
highlights
utilization
as
low-cost
feedstock
producing
multiple
value-added
products,
emphasizing
advantages
waste
biorefinery
concept,
yielding
practically
no
by-products
over
whole
Agriculture,
Год журнала:
2023,
Номер
13(9), С. 1689 - 1689
Опубликована: Авг. 27, 2023
Biogas
production
from
waste
materials
has
emerged
as
a
promising
avenue
for
sustainable
energy
generation,
offering
dual
benefit
of
management
and
renewable
production.
The
selection
preparation
feedstocks,
including
agricultural
residues,
food
waste,
animal
manure,
municipal
solid
wastes,
are
important
this
process,
while
the
microbial
communities
majorly
responsible
bioconversions.
This
review
explores
role
complex
their
functions
anaerobic
digestion
wastes.
It
covers
crucial
physiological
processes
hydrolysis,
acidogenesis,
acetogenesis,
methanogenesis,
elucidating
activities
metabolic
pathways
involved
in
prospects
improving
efficiency
biogas
article
further
discusses
influence
recent
progress
molecular
techniques,
genomics,
metagenomics,
meta-transcriptomics,
stable
isotope
probing.
These
advancements
have
greatly
improved
our
understanding
capabilities
materials.
integration
these
techniques
with
process
monitoring
control
strategies
been
elaborated
to
offer
possibilities
optimizing
ensuring
stability.
Microbial
additives,
co-digestion
diverse
optimization
through
community
engineering
discussed
effective
approaches
enhance
also
outlines
emerging
trends
future
microbial-based
production,
utilization
synthetic
biology
tools
novel
strains
consortia,
harnessing
microbiomes
extreme
environments,
integrating
other
biotechnological
processes.
While
there
several
reviews
regarding
technical
aspects
stands
out
by
up-to-date
insights
recommendations
leveraging
potential
communities,
roles
efficient
emphasize
pivotal
microbes
enhancing
ultimately
contributing
advancement
carbon-neutral
future.
Energies,
Год журнала:
2024,
Номер
17(9), С. 2099 - 2099
Опубликована: Апрель 27, 2024
The
conversion
of
lignocellulosic
agricultural
waste
into
biofuels
and
other
economically
valuable
compounds
can
reduce
dependence
on
fossil
fuels,
harmful
gas
emissions,
support
the
sustainability
natural
resources,
including
water,
minimize
amount
in
landfills,
thus
reducing
environmental
degradation.
In
this
paper,
wastes
biomethane,
biohydrogen,
biodiesel,
bioethanol,
biobutanol,
bio-oil
is
reviewed,
with
special
emphasis
primary
secondary
residues
as
substrates.
Some
novel
approaches
are
mentioned
that
offer
opportunities
to
increase
efficiency
valorization,
e.g.,
hybrid
systems.
addition
physical,
chemical,
biological
pretreatment
waste,
some
combined
methods
mitigate
negative
effects
various
recalcitrant
processing
(alkali-assisted
thermal
pretreatment,
hydrolysis
alkali
bioaugmentation)
evaluated.
addition,
production
volatile
fatty
acids,
polyhydroxyalkanoates,
biochar,
hydrochar,
cellulosic
nanomaterials,
selected
platform
chemicals
from
described.
Finally,
potential
uses
recovered
products
discussed.
Abstract
Myco
degradation
is
an
effective
technique
for
breaking
down
waste
plant
substances
made
of
lignin,
cellulose,
and
hemicellulose,
which
are
collectively
known
as
lignocellulose.
This
abundant
organic
material
found
throughout
the
world.
Due
to
its
recalcitrant
nature,
lignocellulose
poses
a
challenge
efficient
conversion
into
biofuels,
biochemicals,
other
valuable
products.
degradation,
involves
use
fungi
degrade
lignocellulosic
materials,
offers
sustainable
cost‐efficient
resolution
this
challenge.
review
provides
overview
mechanisms
applications
myco
biomass
degradation.
The
discusses
various
types
involved
in
their
enzymatic
systems,
factors
that
influences
performance.
Furthermore,
potential
products,
such
enzymes,
bioplastics,
reviewed.
It
also
highlights
implications
management
development.
Overall,
represents
promising
technology
deprivation
biomass,
further
research
field
holds
great
creation
bio‐based
Journal of Technology Innovations and Energy,
Год журнала:
2023,
Номер
2(3), С. 10 - 36
Опубликована: Авг. 18, 2023
The
use
of
biomass
is
vital
in
reducing
the
negative
effects
rising
fossil
fuel
consumption.
Given
its
quantity
and
diversity,
forest
has
garnered
a
lot
interest
among
many
kinds
biomass.
This
study
evaluates
various
strategies
for
transforming
woody
waste
into
usable
biofuels.
Carbon
dioxide
emissions
from
traditional
energy
generation
systems
could
be
mitigated
through
direct
utilization
Low
conversion
rates,
as
well
soot
residues,
are
some
problems
that
come
up
when
directly
using
sustainability
also
seriously
threatened
by
lack
constant
access
to
Co-combustion
with
coal
pelletizing
two
solutions
proposed
this
issue.
potential
lower
process's
carbon
monoxide,
nitrogen
oxides,
sulfides.
article
reviews
discusses
biochemical
thermochemical
mechanisms
can
transform
variety
liquid
gaseous
Future
research
cutting-edge
assessment
tools
like
life
cycle
assessment,
exergy,
etc.
should
investigate
processes
bioenergy
further.
Energies,
Год журнала:
2023,
Номер
16(12), С. 4698 - 4698
Опубликована: Июнь 14, 2023
The
request
for
alternative
sources
of
energy
has
led
to
evaluating
untapped
routes
production,
such
as
using
abundant
and
low-cost
waste
materials,
e.g.,
lignocellulosic
wastes,
the
substrate
biological
processes
aimed
at
biofuel
production.
This
study
focused
on
peanut
shells
(PS)
valorisation
via
anaerobic
digestion
(AD).
Two
emerging
pretreatments,
i.e.,
organosolv
ultrasounds,
were
investigated
unlock
full
AD
potential
PS.
impact
a
substrate-to-solvent
ratio
in
pretreatment
was
(i.e.,
1:5
vs.
1:10
1:20).
Different
exposure
times
tested
ultrasound
pretreatment,
corresponding
applied
densities
30,000,
12,000,
6000
kJ/kg
VS,
respectively.
Organosolv
achieved
maximal
polyphenol
solubilisation,
4.90
mg/g
TS,
when
increasing
ratio,
whereas
methane
production
did
not
benefit
from
being
comparable
with
that
raw
PS
most
55.0
mL
CH4/g
VS).
On
other
hand,
ultrasounds
mainly
affected
sugar
solubilisation
(up
37.90
TS),
enhancing
up
an
extra
64%,
highest
density.
route
would
further
downstream
steps
recover
biomolecules
released
liquid
fraction,
provided
slurry
suitable
direct
AD.