Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 3, 2024
Abstract
The
urgency
to
achieve
carbon
neutrality
underlines
the
importance
of
shifting
from
carbon‐based
fossils
renewable
resources.
Bio‐based
polyethylene
(bio‐PE)
is
a
key
component
this
transition,
which
obtained
natural
and
sources
such
as
sugarcane.
environmental
impact
bio‐PE
fossil‐based
PE
production
compared
building
ad‐hoc
sustainability
indicators
while
exploring
environmental,
social,
economic,
energetic
aspects
provide
comprehensive
evaluation.
This
methodology
involves
analyzing
entire
lifecycle
both
processes
for
production,
extraction/harvesting
post‐disposal
actions,
mechanical
recycling
or
incineration.
main
goal
represent
numerous
on
radar
diagram,
thus
comparing
process
scores
sustainability.
Bio‐PE
has
significantly
higher
than
fossil
in
terms
global
warming
potential
(from
cradle‐to‐gate),
safety,
contribution
ozone
depletion.
Additionally,
offers
quite
better
scenario
mass
input
energy
operating
costs.
On
one
side,
exhibits
similar
eutrophication
acidification;
other
it
also
guarantees
almost
same
revenues.
can
address
choice
most
sustainable
method,
that
regards
separation
re‐introduction
end‐of‐life
into
manufacturing
process.
The Science of The Total Environment,
Год журнала:
2024,
Номер
919, С. 170469 - 170469
Опубликована: Фев. 2, 2024
The
COVID-19
pandemic
created
an
unprecedented
demand
for
PPE,
with
single-use
face
masks
emerging
as
a
critical
tool
in
containing
virus
transmission.
However,
the
extensive
use
and
improper
disposal
of
these
masks,
predominantly
composed
non-biodegradable
plastics,
has
exacerbated
environmental
challenges.
This
research
presents
innovative
method
mechanically
upcycling
PPEs
used
medical
sectors
i.e.
single
masks.
study
investigates
facile
approach
reclamation
infection-free
pure
polypropylene
(PP)
plastic
from
discarded
(W-PP)
blends
it
various
vegetable
oil
percentages
(5,
10
20
%),
resulting
versatile
material
suitable
applications.
Melt
flow
index,
rheological
behaviour,
DSC
FTIR
were
employed
to
investigate
effect
oil/radical
initiator
through
chemical
grafting
on
W-PP
properties.
results
demonstrate
significant
enhancements
tensile
strength
modulus
when
blended
radical
initiator.
There
was
marked
increase
(33
%)
strain
(55
compared
untreated
W-PP,
rendering
both
robust
flexible.
Furthermore,
we
this
upcycled
fabrication
glass
fibre-reinforced
composites,
notable
impact
resistance.
demonstrates
excellent
potential
applications,
such
sheet
forming
3D
printing,
where
non-brittleness
plastics
plays
pivotal
role
manufacturing
high-quality
products.
cost-benefit
analysis
underscores
PPE
waste
sustainable
solution
mitigate
pollution
conserve
valuable
resources.
applications
span
wide
range
industries,
including
automotive
packaging,
printing.
Abstract
The
efficient
utilization
of
organic
solid
waste
resources
can
help
reducing
the
consumption
conventional
fossil
fuels,
mitigating
environmental
pollution,
and
achieving
green
sustainable
development.
Due
to
its
dual
nature
being
both
a
resource
source
it
is
crucial
implement
suitable
recycling
technologies
throughout
upgrading
processes
for
plastics
biomass,
which
are
wastes
with
complex
mixture
components.
pyrolysis
hydropyrolysis
were
summarized
biomass
into
high‐value
chemicals,
materials.
To
enhance
reaction
efficiency
improve
product
selectivity,
microwave‐assisted
was
introduced
through
energy
supply
especially
aid
catalysts
microwave
absorbers.
This
review
provides
detail
summary
from
technical,
applied,
mechanistic
perspectives.
Based
on
recent
technological
advances,
future
directions
development
predicted.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 13, 2024
This
review
focuses
on
the
use
of
polyolefins
in
high-voltage
direct-current
(HVDC)
cables
and
capacitors.
A
short
description
latest
evolution
current
HVDC
capacitors
is
first
provided,
followed
by
basics
electric
insulation
capacitor
functions.
Methods
to
determine
dielectric
properties
are
described,
including
charge
transport,
space
charges,
resistivity,
loss,
breakdown
strength.
The
semicrystalline
structure
polyethylene
isotactic
polypropylene
way
it
relates
discussed.
significant
part
devoted
describing
state
art
modeling
prediction
or
with
consideration
both
atomistic
continuum
approaches.
Furthermore,
effects
purity
materials
presence
nanoparticles
presented,
ends
sustainability
aspects
these
materials.
In
summary,
effective
combination
experimental
work
described
as
an
important
route
toward
understanding
designing
next
generations
for
electrical
transmission.
A
novel
waste
plastic
pyrolysis
oil
hydrocracking
process
uniquely
integrating
simulation
with
advanced
deep
learning
models
for
multi-objective
optimization.
Clean Technologies,
Год журнала:
2025,
Номер
7(1), С. 20 - 20
Опубликована: Март 5, 2025
Plastic
waste
poses
a
significant
challenge
in
Africa
and
around
the
world,
with
its
volume
continuing
to
increase
at
an
alarming
rate.
In
Africa,
estimated
25–33%
of
daily
is
made
up
plastic,
posing
threat
environment,
marine
life,
human
health.
One
potential
solution
this
problem
waste-to-energy
recycling,
such
as
pyrolysis,
which
involves
conversion
materials
into
oil,
char,
non-condensable
gasses
through
thermochemical
process
absence
oxygen.
Given
abundance
continent’s
energy
challenges,
pyrolysis
offers
sustainable
solution.
This
review
delves
concept
products,
thermodynamics,
endothermic
kinetics,
presenting
it
promising
way
address
plastic
Africa.
Despite
African
Union’s
goal
recycle
waste,
continent
faces
barriers
achieving
target,
including
infrastructural,
economic,
social
difficulties.
It
crucial
implement
strategies
for
managing
mitigate
environmental
degradation
promote
cleaner
healthier
living
environment.
Pyrolysis
technology
highlighted
viable
management,
can
convert
valuable
byproducts
syngas.
Case
studies
from
countries
like
South
Nigeria
demonstrate
scaling
management
issues
while
generating
job
opportunities.
underscores
need
investment,
regulatory
support,
public
awareness
overcome
challenges
unlock
full
Embracing
method
could
lead
economic
benefits
continent.
