Research Square (Research Square),
Год журнала:
2021,
Номер
unknown
Опубликована: Март 12, 2021
Abstract
Levoglucosenone
(LGO)
has
a
wide
range
of
utilization
in
the
field
organic
synthesis.
Magnetic
solid
acid
(Fe
3
O
4
/C-SO
H
600
)
was
used
fast
pyrolysis
cellulose
to
produce
LGO.
It
demonstrated
that
catalyst
could
promote
LGO,
but
yield
affected
by
temperature
and
relative
amount
catalyst.
The
LGO
reached
20.0
wt%
from
catalytic
at
300°C,
which
significantly
higher
than
(0.3
wt%).
Furthermore,
kinetic
analysis
recycling
results
showed
not
only
reduce
required
pyrolysis,
also
still
efficiently
production
after
recovery
activation.
Microorganisms,
Год журнала:
2023,
Номер
11(9), С. 2197 - 2197
Опубликована: Авг. 31, 2023
Bacteria
and
yeast
are
being
intensively
used
to
produce
biofuels
high-added-value
products
by
using
plant
biomass
derivatives
as
substrates.
The
number
of
microorganisms
available
for
industrial
processes
is
increasing
thanks
biotechnological
improvements
enhance
their
productivity
yield
through
microbial
metabolic
engineering
laboratory
evolution.
This
allowing
the
traditional
biofuel
production,
which
included
multiple
steps,
be
improved
consolidation
single-step
processes,
reducing
time
global
process,
operational
conditions
in
terms
desired
products.
Engineered
now
capable
feedstocks
that
they
were
unable
process
before
modification,
opening
broader
possibilities
establishing
new
markets
places
where
available.
review
discusses
approaches
have
been
improve
processing
convert
feedstock
into
fuels.
Metabolically
engineered
(MEMs)
such
bacteria,
yeasts,
microalgae
described,
highlighting
performance
tools
modify
them.
Finally,
some
examples
patents
related
MEMs
mentioned
order
contextualize
current
use.
Abstract
Lignocellulose
biomass,
Earth's
most
abundant
renewable
resource,
is
crucial
for
sustainable
production
of
high–value
chemicals
and
bioengineered
materials,
especially
energy
storage.
Efficient
pretreatment
vital
to
boost
lignocellulose
conversion
bioenergy
biomaterials,
cut
costs,
broaden
its
energy–sector
applications.
Machine
learning
(ML)
has
become
a
key
tool
in
this
field,
optimizing
processes,
improving
decision‐making,
driving
innovation
valorization
This
review
explores
main
strategies
–
physical,
chemical,
physicochemical,
biological,
integrated
methods
evaluating
their
pros
cons
It
also
stresses
ML's
role
refining
these
supported
by
case
studies
showing
effectiveness.
The
examines
challenges
opportunities
integrating
ML
into
storage,
underlining
pretreatment's
importance
unlocking
lignocellulose's
full
potential.
By
blending
process
knowledge
with
advanced
computational
techniques,
work
aims
spur
progress
toward
sustainable,
circular
bioeconomy,
particularly
storage
solutions.
Energies,
Год журнала:
2023,
Номер
16(5), С. 2377 - 2377
Опубликована: Март 1, 2023
A
high
load
of
inorganics
in
raw
lignocellulosic
biomass
is
known
to
inhibit
the
yield
bio-oil
and
alter
chemical
reactions
during
fast
pyrolysis
biomass.
In
this
study,
palm
kernel
shell
(PKS),
an
agricultural
residue
from
oil
production,
two
other
woody
samples
(mahogany
(MAH)
sawdust
iroko
(IRO)
sawdust)
were
pretreated
with
distilled
water
or
acidic
solution
(either
acetic,
formic,
hydrochloric
(HCl)
sulfuric
acid
(H2SO4))
before
order
investigate
its
effect
on
primary
products
reaction
pathways.
The
PKS,
MAH
IRO
pyrolysed
at
600
°C
5
s
a
micro-pyrolyser
connected
gas
chromatograph–mass
spectrometer/flame
ionisation
detector
(GC-MS/FID).
Of
leaching
solutions,
HCl
was
most
effective
removing
enhancing
product
formed
compared
organic
acids
(acetic
formic
acid).
production
levoglucosan
greatly
improved
for
all
biomasses
when
original
but
especially
after
pretreatment.
Additionally,
relative
content
saccharides
maximised
pretreatment
H2SO4,
which
due
increased
levoglucosenone.
by
over
70%.
This
increase
may
have
occurred
possible
catalysed
remaining
furans,
furfural,
pretreatments
noticeable
H2SO4
used.
However,
ketones
generally
reduced
across
solutions.
phenol-type
compound
decreased
large
extent
pretreatment,
be
attributed
dehydration
demethoxylation
reactions.
study
shows
that
valuable
chemicals
could
promoted
different
