Microwave-assisted
catalytic
pyrolysis
(MACP)
of
biomass
into
high-value
products
is
a
promising
strategy
for
solving
the
global
increasingly
severe
energy
and
environmental
issues.
However,
this
still
limited
by
lack
low-cost
efficient
catalysts
with
strong
microwave
absorption.
In
study,
series
biochar
materials
derived
from
spent
lithium-ion
batteries
(BC,
HC,
sLFPHCs
sNCMHCs)
were
developed
in
MACP
biomass.
Microwave
absorption
characteristics
rice
straw
these
investigated.
The
results
showed
that
have
better
than
SiC.
Since
increase
graphitization
after
calcination,
their
ε'
,ε"
tanδε
increased
RLmin
decreased
significantly
together
higher
maximum
heating
rates
(630
~720
℃/min)
at
power
800W
(2.45GHz).
yields
H2-rich
syngas
lower
liquid
360W
less
350
℃.
Analysis
increases
hydrocarbon
content,
especially
monocyclic
aromatic
hydrocarbons
(MAHs),
polymerization
MAHs
to
form
polycyclic
was
inhibited.
particular,
sNCMHC-C
obtained
highest
selectivity
H2
(50.22
vol.
%)
gaseous
products,
(18.86
area.
benzene,
1-propynyl-
(17.41
products.
This
study
suggests
has
high
potential
promote
recycling
waste
Biofuels Bioproducts and Biorefining,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
Abstract
The
catalytic
pyrolysis
of
green
algae
(GA)
was
conducted
using
both
a
thermogravimetric
analyzer
and
horizontal
tube
reactor.
Five
catalysts
–
biochar,
potassium
hydroxide
(KOH),
sodium
(NaOH),
ethylene
glycol
dimethyl
ether
(EGDE),
Zeolite
Socony
Mobil‐5
(ZSM)
were
tested.
Kinetic
analysis
performed
the
Friedman
method
to
estimate
activation
energy,
master
plot
method,
combined
with
regression
analysis,
employed
determine
suitable
reaction
model.
products
quantitatively
characterized.
results
showed
that
presence
influenced
kinetic
parameters
product
yields.
Activation
energy
values
for
noncatalytic
GA
sample
ranged
from
124.92
299.39
kJ
mol
−1
,
whereas
samples
exhibited
broader
range
110.79
358.30
.
use
generally
increased
solid
liquid
yields,
this
accompanied
by
decline
in
gas
yield.
volumetric
yield
gaseous
components
temperature.
Among
these
gases,
CO
2
had
highest
yield,
followed
CO,
CH
4
H
C
3
6
These
highlight
role
influencing
process
Abstract
Biomass
co‐pyrolysis
with
hydrogen
rich
plastics
has
proven
to
be
an
effective
strategy
for
improving
the
yield
and
quality
of
liquid
products
obtained.
This
process
not
only
increases
bio‐oil
fraction
but
also
promotes
formation
compounds
higher
energy
content
lower
oxygenation
levels,
thanks
hydrogen‐donating
effect
plastics.
To
improve
reactor
design
enhance
value
peanut
shells
(B)
combined
plastic
waste
(P),
behavior
was
investigated
using
thermogravimetric
analysis.
The
individual
devolatilization
lignocellulosic
residues
obtained
separately
compared
various
proportions
P/B
blends.
At
high
temperatures,
a
positive
synergistic
interaction
between
B
P
observed
based
on
difference
in
weight
loss.
first‐order
reaction
model
fits
well
biomass
plastics,
indicating
that
can
described
simple
rate
law.
Results
indicated
second
stage
played
key
role
activation
energy.
use
H‐ZSM‐11
catalyst
resulted
20%
decrease
thermal
process,
supporting
catalytic
is
efficient
reduce
