Results in Engineering,
Journal Year:
2023,
Volume and Issue:
17, P. 100936 - 100936
Published: Feb. 3, 2023
Renewable
energy
from
biomass
waste
shall
become
an
effective
alternative
to
faster-depleting
fossil
fuels
and
pyrolysis
is
a
suitable
approach
produce
renewable
biomass.
Further,
kinetics
parameters
are
essential
in
designing
reactors
for
this
work
provides
of
catalytic
(CP)
Delonix
regia
(DR)
In
addition
significance,
the
novelty
includes
utilization
catalysts
three
different
kinds
such
as
zeolite
(Na–Y),
mixed
metal
oxides
(TiO2+ZnO),
supported
noble
(Pt/C)
at
varying
loads
30–10
wt
%.
All
experiments
were
performed
micro
pyrolyzer
(thermogravimetry
analyzer)
under
non-isothermal
conditions
five
heating
rates
(5,
10,
20,
35,
55
°C
min−1)
temperature
range
25–1000
°C.
To
estimate
kinetic
factors
(KF)
thermodynamic
(TP),
iso-conversional
techniques
Differential
Friedman
(DFM),
Kissinger–Akahira–Sunose
(KAS),
Ozawa–Flynn–Wall
(OFW),
Starink
(STK),
Distributed
Activation
Energy
(DAE)
employed.
KAS
technique
yielded
lowest
mean
activation
energy,
Eα
(181.29
kJ
mol−1),
frequency
factor,
ko
(2.10
E+16
s−1)
by
use
Na–Y
load
10
%
whereas
corresponding
change
enthalpy
177
mol−1,
Gibbs
free
178
entropy
−9.58
E−04
mol−1
K−1.
Criado's
master
plots
confirmed
reaction
pathway
as:
second
order
(F2),
power-law
(P4),
contraction
area
(R2),
zero
(F0),
volume
(R3),
fourth
(F4)
20
min−1
DFM
CP
DR
using
catalyst
Renewable and Sustainable Energy Reviews,
Journal Year:
2024,
Volume and Issue:
195, P. 114333 - 114333
Published: Feb. 27, 2024
The
abundant
plastic
wastes
become
an
imperative
global
issue,
and
how
to
handle
these
organic
gains
growing
scientific
industrial
interest.
Recently,
converting
into
hydrogen
fuel
has
been
investigated,
the
"waste-to-value"
practice
accelerates
circular
economy.
To
accelerate
development
of
plastic-to-hydrogen
conversion,
in
this
review,
recent
advances
conversion
via
thermochemical,
photocatalytic,
electrocatalytic
routes
are
analyzed.
All
thermo-,
photo-,
electrochemical
processes
can
transform
different
hydrogen,
production
efficiency
depends
heavily
on
selected
techniques,
operating
parameters,
applied
catalysts.
application
rational-designed
catalysts
promote
selective
from
feedstocks.
Further
studies
process
optimization,
cost-effective
catalyst
design,
mechanism
investigation
needed.
Carbon Resources Conversion,
Journal Year:
2023,
Volume and Issue:
6(3), P. 215 - 228
Published: March 5, 2023
Rapidly
increasing
plastics
have
been
used
and
finally
become
wastes,
resulting
in
pressures
to
the
environment.
Microwave-assisted
pyrolysis
is
a
promising
technology
for
converting
organic
wastes
as
waste
into
value-added
products.
At
present,
many
works
on
microwave-assisted
of
published,
but
achievements,
challenges,
future
directions
not
well
summarized
discussed.
In
this
work,
principle
introduced.
Then,
progress
its
application
recover
useful
products
from
reviewed
discussed
terms
key
parameters
including
microwave
power,
temperature,
reaction
time,
types
catalyst,
absorbents
feedstock
mixing
ratio.
Especially,
yields
properties
produced
oil,
gas
char
are
correlated
with
process
parameters.
Finally,
existing
challenges
prospects
disposal/reuse
by