During
the
bubbling
fluidized
bed
polymer
pyrolysis
process,
agglomeration
of
inert
materials
frequently
leads
to
defluidization.
To
simulate
this
phenomenon,
a
novel
time-driven
Monte
Carlo
model
is
presented,
which
comprises
two
main
stages:
layering
period
and
period.
The
simulation
results
are
then
compared
with
experimental
data
from
literature.
From
qualitative
analysis
perspective,
effectively
replicate
trends
in
defluidization
times
under
various
operating
conditions.
In
terms
quantitative
analysis,
predicted
exhibit
good
consistency
measured
values
(R2=0.804).
Furthermore,
information
extracted
simulation,
hard
obtain
experimentally,
applied
for
further
discussion.
It
allows
explore
composition
at
moment
different
Additionally,
comparison
particle
size
distributions
same
operational
time
conditions
performed.
general,
developed
provides
robust
foundation
extending
its
application
other
processes
as
well
co-pyrolysis
processes.
Upgrading
the
most
difficult-to-recycle
waste
polyvinyl
chloride
remains
a
significant
challenge
due
to
potential
formation
of
highly
toxic
substances,
such
as
polychlorinated
biphenyls.
Here,
we
introduce
paradigm
shift
with
mild
photothermal
dechlorination–carbonization
process
that
converts
plastics
into
valuable
carbon
materials.
Through
detailed
techno-economic
assessment
(TEA)
modeling,
based
on
recycling
96,000
tons
plastics,
demonstrate
utilizing
clean
solar
energy
for
conversion
can
save
approximately
2.34
×
1012
kJ
electricity
and
reduce
footprint
by
261,912.2
compared
traditional
thermal-driven
methods,
offering
clear
environmental
benefits.
Notably,
this
method
more
than
10
types
postconsumer
mixed
yielding
materials
exhibit
excellent
performance
components
in
sodium-ion
storage
batteries.
Photothermal
catalytic
thus
emerges
green
sustainable
technology
promising
applications.
Fuel,
Journal Year:
2024,
Volume and Issue:
367, P. 131487 - 131487
Published: March 19, 2024
During
the
bubbling
fluidized
bed
polymer
pyrolysis
process,
agglomeration
of
inert
materials
frequently
leads
to
defluidization.
To
simulate
this
phenomenon,
a
novel
time-driven
Monte
Carlo
model
is
presented,
which
comprises
two
main
stages:
layering
period
and
period.
The
simulation
results
are
then
compared
with
experimental
data
from
literature.
From
qualitative
analysis
perspective,
effectively
replicate
trends
in
defluidization
times
under
various
operating
conditions.
In
terms
quantitative
analysis,
predicted
exhibit
good
consistency
measured
values
(R2=0.804).
Furthermore,
information
extracted
simulation,
hard
obtain
experimentally,
applied
for
further
discussion.
It
allows
explore
composition
at
moment
different
Additionally,
comparison
particle
size
distributions
same
operational
time
conditions
performed.
general,
developed
provides
robust
foundation
extending
its
application
other
processes
as
well
co-pyrolysis
processes.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(18), P. 7909 - 7909
Published: Sept. 10, 2024
Plastic
waste,
a
persistent
and
escalating
issue,
the
high
costs
of
installing
electric
power,
particularly
in
remote
areas,
have
become
pressing
concerns
for
governments.
This
research
proposes
novel
method
generating
power
from
sugarcane
bagasse
waste
reducing
plastic
waste.
The
key
to
this
is
use
fungus
Pleurotus
ostreatus
microbial
fuel
cells.
Microbial
cells
(MFCs)
demonstrated
their
effectiveness
by
peaks
current
(4.325
±
0.261
mA)
voltage
(0.427
0.031
V)
on
day
twenty-six,
with
pH
5.539
0.278.
peak
electrical
conductivity
substrate
was
130.574
4.981
mS/cm.
MFCs
were
able
reduce
chemical
oxygen
demand
83%,
showing
maximum
density
86.316
4.724
mW/cm2
an
internal
resistance
37.384
62.522
Ω.
infrared
spectra
samples
showed
decrease
2850–2920,
1470,
720
cm−1,
which
are
more
characteristic
plastic,
demonstrating
action
samples.
Also,
micrographs
taken
SEM
reduction
thickness
film
54.06
µm
formation
microstructures
surface,
such
as
pores
raised
layers
sample
used.
International Journal of Sustainable Engineering,
Journal Year:
2024,
Volume and Issue:
17(1), P. 124 - 148
Published: Oct. 28, 2024
Plastic
pollution
has
emerged
as
a
global
environmental
crisis,
prompting
the
search
for
innovative
solutions
to
manage
and
repurpose
plastic
waste
sustainably.
Chemical
recycling
garnered
attention
promising
strategy
address
this
challenge
by
converting
discarded
plastics
into
valuable
feedstocks
products.
Drawing
upon
statistical
data
thorough
review
of
literature,
paper
examines
diverse
methodologies
technologies
employed
in
chemical
recycling,
highlighting
key
advancements
their
potential
economic
impacts.
The
aim
article
is
provide
comprehensive
overview
various
methods
plastics.
In
article,
reader
offered
detailed
processing
methods,
including
hydrolysis,
glycolysis,
enzymatic
degradation,
acid
supercritical
fluid
depolymerisation,
catalytic
pyrolysis,
fast
microwave
fluidised
bed
plasma
gasification,
steam
oxidative
hydrothermal
liquefaction,
biological
electrochemical
processing.
literature
cited
allows
gain
an
in-depth
understanding
processes
at
Technology
Readiness
Levels
(TRL)
4
TRL
9,
depending
on
chosen
technology.
Energy & Environment,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 10, 2024
The
demand
for
engineering
plastics,
such
as
polyoxymethylene
(POM),
used
in
the
electronics
and
automotive
industries
is
increasing
rapidly.
It
becoming
increasingly
important
to
reduce
adverse
effects
of
waste
plastics
on
environment
ecosystem
achieve
goals
circular
economy.
Pyrolysis,
gasification,
hydrothermal
conversion,
solvolysis,
electrochemical
depolymerization
have
been
widely
studied
chemical
methods
manage
plastic
waste.
Chemical
recycling
a
representative
effective
approach
recover
monomers
or
syngas
from
This
paper
reviews
properties
POM
waste,
various
reaction
mechanisms
options
with
major
studies.
In
addition,
economic
feasibility
discussed.
Finally,
opportunities
future
challenges
regarding
are
suggested.
