Fermentation,
Год журнала:
2024,
Номер
10(9), С. 446 - 446
Опубликована: Авг. 27, 2024
The
prevailing
extractive
economic
model
is
unsustainable
due
to
the
finite
nature
of
resources,
thereby
necessitating
development
alternative
models
and
policies.
anaerobic
digestion
(AD)
process
key
achieving
this
objective,
as
it
facilitates
conversion
organic
waste
into
biogas
nutrient-rich
digestate.
This
approach
aligned
with
principles
a
circular
economy
contributes
reduction
in
carbon
emissions.
study
aims
conduct
comprehensive
bibliometric
analysis
literature
published
over
past
three
decades
(1993–2023).
will
be
based
on
data
drawn
from
Scopus
database
then
analysed
using
VOSviewer
software,
which
allows
for
interconnection
revised
bibliography
through
series
selected
keywords.
results
demonstrated
existence
four
clusters:
(i)
beneficial
valorisation
waste;
(ii)
volatile
fatty
acids
biohydrogen
added
value
by-products
resulting
AD;
(iii)
lignocellulosic
substrates
their
by-products;
iv)
main
products
AD,
demonstrates
growing
interest
AD
within
biorefinery
concept
recent
years,
showcasing
its
potential
effective
management
integration
production
chain
economy.
Polymers,
Год журнала:
2024,
Номер
16(24), С. 3560 - 3560
Опубликована: Дек. 20, 2024
Lignin,
the
most
abundant
natural
aromatic
polymer,
holds
considerable
promise
for
applications
in
various
industries.
The
primary
obstacle
to
valorization
of
lignin
into
useful
materials
is
its
low
molecular
weight
and
diminished
chemical
reactivity,
attributable
intricate
structure.
This
study
aimed
treat
lignocellulosic
biomass
using
a
switchable
solvent
(DBU–HexOH/H2O)
derived
from
non-nucleophilic
superbase
1,8-diazabicyclo
[5.4.0]undec-7-ene
(DBU),
which
efficiently
separates
extracts
poplar
wood.
Additionally,
it
sought
characterize
fundamental
properties
extracted
(SSL)
propose
mechanism
separation.
In
comparison
milled
wood
lignin,
SSL
exhibits
greater
weight,
superior
homogeneity,
enhanced
stability.
sample
was
analyzed
spectroscopies
including
infrared
spectroscopy,
nuclear
magnetic
resonance,
X-ray
photoelectron
spectroscopy.
findings
indicated
that
structure
preserved,
with
primarily
cleaving
C–C
α-O-4
bonds,
resulting
hydroxyl
content,
an
elevated
H/C
ratio,
reduced
O/C
ratio.
successfully
prepared
nanoparticles
(LNPs)
size
range
531–955
nm.
paper
presents
technique
processing
solvent,
highlighting
advancements
lignin’s
enhancing
use
sector.
IOP Conference Series Earth and Environmental Science,
Год журнала:
2024,
Номер
1381(1), С. 012034 - 012034
Опубликована: Авг. 1, 2024
Abstract
The
increasing
global
demand
for
sustainable
energy
sources
and
environmentally
conscious
materials
has
driven
research
into
efficiently
utilizing
lignocellulosic
biomass.
Lignocellulose,
a
complex
composite
material
composed
of
cellulose,
hemicellulose,
lignin,
holds
promise
producing
renewable
fuels,
bioproducts,
biomaterials.
However,
the
inherent
recalcitrance
lignin
presents
significant
challenge
in
accessing
valuable
polysaccharides
within
Delignification,
crucial
step
biomass
pretreatment,
involves
selective
removal
to
enhance
cellulose
hemicellulose
accessibility
conversion
processes.
This
review
paper
explores
green
pretreatment
techniques
improve
delignification
efficiency.
Green
methods
prioritize
sustainability
by
minimizing
harsh
chemical
use
consumption.
Techniques
such
as
steam
explosion,
organosolv,
alkali
treatment
have
been
examined
their
potential
delignify
while
reducing
environmental
impact
effectively.
These
biomass’s
suitability
various
downstream
applications.
Indonesia
is
nation
endowed
with
abundant
agricultural
forestry
resources,
waste
management
paramount
importance.
As
major
producer,
generates
substantial
waste,
including
crop
residues
palm
oil
byproducts.
Effective
aligns
Indonesia’s
commitment
circular
economy
goals.
provides
an
inclusive
overview
methods,
specifically
focusing
on
Indonesian
context.
By
exploring
mechanisms
benefits
friendly
techniques,
this
study
sheds
light
address
unique
challenges
management.
Economic
considerations
are
also
discussed
determine
feasibility
integrating
utilization
framework.
