Cleaner Materials,
Год журнала:
2024,
Номер
13, С. 100253 - 100253
Опубликована: Июнь 13, 2024
The
development
of
sustainable
and
effective
methods
for
extracting
lignin
is
crucial
achieving
the
advantages
promoting
shift
towards
a
more
circular
bioeconomy.
This
study
addresses
use
environmentally
friendly
processes,
including
organosolv
technique,
supercritical
fluid
(SCF),
non-thermal
plasma
(NTP),
ionic
liquids
(ILs),
deep
eutectic
solvents
(DES),
microwave
assisted
extraction
(MAE)
techniques
extraction.
Organosolv
treatment
offers
high
selectivity
purity
make
this
process
economically
feasible.
Using
water,
carbon
dioxide,
or
ethanol
to
extract
without
harmful
successful
customizable.
NTP
technologies
break
down
lignin,
simplifying
processing
increasing
its
value.
Whereas
ILs
may
boost
synthesis
change
properties
via
solvent
design.
DES-based
can
efficiently
specifically
lignin.
rapid
MAE
method
employs
radiation
reduce
times
yields
These
feature
selectivity,
little
environmental
impact,
capacity
target
fractions.
describes
fundamentals,
benefits,
drawbacks
each
process,
focusing
on
their
ability
large
scale
future
usage.
Additionally,
review
explores
most
recent
advancements
in
application
sector,
as
well
challenges
potential
valorizing
streams
derived
from
extraction,
thereby
fostering
solutions.
research
concludes
that
overcome
challenges,
need
address
concerns,
cost,
emissions,
efficient
use.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Янв. 2, 2024
Abstract
Unprecedented
efforts
are
being
deployed
to
develop
hydrogen
production
from
bioresources
in
a
circular
economy
approach,
yet
their
implementation
remains
scarce.
Today’s
Challenges
associated
with
the
shortage
value
chain,
lack
of
large-scale
infrastructure,
high
costs,
and
low
efficiency
current
solutions.
Herein,
we
report
route
cellulose
pulp,
integrating
biomass
fractionation
gasification
biorefinery
approach.
Softwood
sawdust
undergoes
formic
acid
organosolv
treatment
extract
cellulose,
followed
by
steam
gasification.
High-purity
hydrogen-rich
syngas
at
concentration
56.3
vol%
yield
40
g
H2
/kg
was
produced.
Char
offers
advantage
producing
free-tar
reducing
cleaning
costs
mitigating
downstream
issues.
A
comprehensive
assessment
mass
energy
balance
along
chain
revealed
an
26.5%
for
production,
requirement
111.1
kWh/kg
.
Optimizing
solvent
recovery
valorization
other
constituents
as
added-value
products
approach
would
further
improve
process
entice
its
industrial
takeoff.
RSC Sustainability,
Год журнала:
2024,
Номер
2(5), С. 1300 - 1336
Опубликована: Янв. 1, 2024
Scientists
are
of
key
importance
to
the
society
advocate
awareness
climate
crisis
and
its
underlying
scientific
evidence
provide
solutions
for
a
sustainable
future.
As
much
as
research
has
led
great
achievements
benefits,
traditional
laboratory
practices
come
with
unintended
environmental
consequences.
Scientists,
while
providing
problems
educating
young
innovators
future,
also
part
problem:
excessive
energy
consumption,
(hazardous)
waste
generation,
resource
depletion.
Through
their
own
operations,
science,
laboratories
have
significant
carbon
footprint
contribute
crisis.
Climate
change
requires
rapid
response
across
all
sectors
society,
modeled
by
inspiring
leaders.
A
broader
community
that
takes
concrete
actions
would
serve
an
important
step
in
convincing
general
public
similar
actions.
Over
past
years,
grassroots
movements
sciences
recognized
overlooked
impact
enterprise,
so-called
Green
Lab
initiatives
emerged
seeking
address
research.
Driven
voluntary
efforts
researchers
staff,
they
educate
peers,
develop
sustainability
guidelines,
write
publications
maintain
accreditation
frameworks.
With
this
perspective
we
want
spark
leadership
promote
systemic
approach
Comprehensive
root-causes
is
presented,
expanded
data
from
current
case
study
University
Groningen
showcasing
annual
savings
398
763
€
well
477.1
tons
CO
Energies,
Год журнала:
2025,
Номер
18(6), С. 1478 - 1478
Опубликована: Март 17, 2025
With
the
overuse
of
fossil
fuels,
people
are
looking
for
alternatives.
This
is
an
area
where
biofuels
have
received
a
lot
attention.
Studies
also
shown
that
large
variety
liquid
fuels
commercial
interest
can
be
obtained
via
lignin
valorization.
Lignin
rich
in
aromatic
ring
structures
and
used
as
sustainable
raw
material
to
produce
high-value
energy.
Therefore,
progress
preparation
from
by
pyrolysis,
hydro-processing,
oxidation
analyzed
this
review.
Nevertheless,
due
three-dimension
network
structure
lignin,
there
many
barriers
need
surmounted
before
utilizing
it,
such
its
complex
connection
with
cellulose
hemicellulose,
which
makes
separation
difficult.
In
paper,
different
pretreatment
methods
summarized
separating
other
two
components.
Finally,
challenges
future
trends
valorization
outlined.
It
clear
construction
efficient
catalytic
systems
will
focus
research
field.
Biomass,
Год журнала:
2024,
Номер
4(3), С. 947 - 977
Опубликована: Сен. 2, 2024
Lignin,
the
earth’s
second-most
abundant
biopolymer
after
cellulose,
has
long
been
relegated
to
low-value
byproducts
in
pulp
and
paper
industry.
However,
recent
advancements
valorization
are
transforming
lignin
into
a
sustainable
versatile
feedstock
for
producing
high-value
biofuels,
bioplastics,
specialty
chemicals.
This
review
explores
conversion
of
lignin’s
complex
structure,
composed
syringyl
(S),
guaiacyl
(G),
p-hydroxyphenyl
(H)
units,
value-added
products.
We
critically
assess
various
biochemical
analytical
techniques
employed
comprehensive
characterization.
Additionally,
we
explore
strategies
upgrading
functionalization
enhance
its
suitability
advanced
biomaterials.
The
emphasizes
key
areas
valorization,
including
catalytic
depolymerization
methods,
along
with
associated
challenges
advancements.
discuss
potential
as
diverse
products
such
carbon
fibers,
adhesives,
phenolic
compounds.
Furthermore,
briefly
inherent
properties
UV
protectant
antioxidant,
alongside
incorporation
polymer
blends
composites.
By
presenting
case
studies
from
literature,
this
highlights
significant
economic
environmental
benefits
waste
reduction,
lower
greenhouse
gas
emissions,
decreased
reliance
on
non-renewable
resources.
Finally,
address
future
perspectives
achieving
large-scale,
techno-economically
feasible,
environmentally
valorization.
New Phytologist,
Год журнала:
2024,
Номер
243(2), С. 526 - 536
Опубликована: Май 27, 2024
Summary
Forests
make
immense
contributions
to
societies
in
the
form
of
ecological
services
and
sustainable
industrial
products.
However,
they
face
major
challenges
their
viability
economic
use
due
climate
change
growing
biotic
threats,
for
which
recombinant
DNA
(rDNA)
technology
can
sometimes
provide
solutions.
But
application
rDNA
technologies
forest
trees
faces
social
biological
obstacles
that
its
societal
acceptance
a
‘wicked’
problem
without
straightforward
We
discuss
nature
these
problems,
innovations
we
consider
essential
progress.
As
case
studies
challenges,
focus
on
modifications
wood
chemistry
transformation
efficiency.
call
regulations,
dissolution
method‐based
market
barriers,
together
could
lead
greater
research
investments,
enable
wide
field
studies,
facilitate
integration
rDNA‐modified
into
conventional
breeding
programs.
Without
near‐term
adoption
such
innovations,
rDNA‐based
solutions
will
be
largely
unavailable
help
forests
adapt
stresses
from
proliferation
pests,
nor
available
environmental
benefits
expanded
related
bioproducts
as
part
an
expanding
bioeconomy.
It
is
essential
to
develop
sustainable
approaches
creating
energy
devices
by
using
natural
materials
like
lignocellulosic
biomass.
As
lignin
mostly
abundant
in
nature
serves
as
a
tribo-positive
filler
due
chemical
morphology.
Here
in,
we
isolated
of
from
the
raw
hardwood
via
soda
pulping
method
and
utilize
developing
composite
nanofibers
with
polyvinylidene
fluoride
(PVDF),
i.e.,
PVDF-Lignin
Nanofiber
(PLNF)
an
electrospinning
technique.
Triboelectric
characteristics
different
concentration
were
evaluated
against
polytetrafluorethylene
(PTFE).
An
enhancement
output
performance
was
observed
compare
PVDF.
The
electrical
PLNFs
TENGs
depends
on
their
structural
features,
polarizability,
dielectric
properties,
force,
frequency
vibration.
Thus,
P10-L5
TENG
(PVDF
10
wt%
5%
Lignin)
generates
highest
power
density
approximately
~60
mWm-2.
high
attributed
uniform
dimensions
surface
charge
accumulation
PLNF.
lignin-based
have
exhibited
impressive
stability
endurance,
enduring
10,000
cycles
at
1
Hz,
3
5
Hz
frequencies.
produced
high-power
output,
while
ITO-PET
sheets
provided
strength
flexibility,
resulting
stable,
durable
system.