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:
2023,
Номер
35(28)
Опубликована: Фев. 10, 2023
Abstract
The
emergence
of
plastic
electronics
satisfies
the
increasing
demand
for
flexible
electronics.
However,
it
has
caused
severe
ecological
problems.
Flexible
based
on
natural
materials
are
to
hopefully
realize
“green”
and
eco‐friendly
concept.
Herein,
recent
advances
in
design
fabrication
green
reviewed.
First,
this
review
comprehensively
introduces
various
derivatives,
focusing
particularly
fibroin
silk,
wood
paper,
plants,
biomass.
Second,
techniques
modifying
materials,
including
physical
chemical
methods,
presented,
after
which
their
merits
demerits
thoroughly
discussed.
Green
comprising
electrical
wires/electrodes,
antennas,
thermal
management
devices,
transistors,
memristors,
sensors,
energy‐harvesting
energy‐storage
displays,
actuators,
electromagnetic
shielding,
integration
systems,
described
detail.
Finally,
perspectives
existing
challenges
opportunities
employ
presented.
Polymer Engineering and Science,
Год журнала:
2023,
Номер
63(9), С. 2651 - 2674
Опубликована: Июнь 21, 2023
Abstract
Polyethylene
terephthalate
(PET)
is
used
in
textile
and
packaging
industries.
The
main
source
of
PET
production
fossil
fuels
with
limited
capacity.
Also,
products
are
single
use
that
transform
into
high
volumes
wastes,
causing
ecosystem
problems.
Recycling
proposed
to
confront
this
challenge.
four
major
recycling
techniques
mechanical,
chemical,
pyrolysis,
enzymatic.
Mechanical,
enzymatic
have
constrained
capabilities
manage
waste.
Chemical
the
potential
path
expanding
waste
possibility
upcycling
addressing
dirty
streams.
Several
chemical
methods
introduced
discussed
literature.
five
glycolysis,
alcoholysis,
aminolysis,
ammonolysis,
hydrolysis.
This
review
describes
depolymerization
via
these
introduces
hydrolysis
as
one
can
depolymerize
an
organic‐free
solvent
environment.
Hydrolysis
tolerates
mixed
wastes
streams
including
copolymers.
It
helps
avoid
challenges
attributed
using
organic
solvents
reaction
systems.
Moreover,
produces
terephthalic
acid,
monomer,
which
has
recently
gained
attention
initiative
monomer
for
production.
focuses
on
three
forms
hydrolysis—alkaline,
neutral,
by
presenting
background
studies,
issued
patents,
recent
trends
application
Fuel,
Год журнала:
2023,
Номер
344, С. 128107 - 128107
Опубликована: Март 24, 2023
Hydrogen
is
an
energy
carrier
that
can
be
utilized
in
various
applications,
including
power
plants,
the
synthesis
of
high-value
products,
and
clean
transportation
fuels
without
emissions.
Hence,
hydrogen
a
potential
candidate
replace
fossil
reduce
environmental
pollution.
The
high
demand
for
plastics
driving
production
rate
to
increase
yearly,
leading
great
accumulation
plastic
waste
materials
resulting
severe
burden
on
environment.
Thermo-catalytic
conversion
other
promising
route
efficiently
provide
ideal
long-term
solution
necessary
overcome
this
challenge.
Developing
durable
high-efficiency
catalysts
immerge
from
wastes
industrial
scale
still
challenge
researchers.
This
study
comprehensively
summarizes
discusses
recently
published
literature
using
different
thermo-catalytic
processes,
pyrolysis,
pyrolysis-air
gasification,
pyrolysis-steam
reforming,
pyrolysis-
(CO2)
dry
pyrolysis-plasma
catalysis.
scope
review
focus
influence
supports,
method
yield
hydrogen,
impact
several
crucial
reaction
parameters
like
pyrolysis
temperature,
catalytic
catalyst
plastic,
steam
ratios
inclusive
as
well.
conclusions
will
extremely
valuable
researchers
interested
sustainable
generation
H2
materials.
Abstract
Polyolefins
and
especially
polyethylenes
(LLDPE,
LDPE
HDPE)
polypropylene
(PP)
contribute
a
great
deal
to
the
growing
amounts
of
plastic
waste
with
combined
production
share
almost
50
%
by
mass.
While
being
universally
applicable,
they
are
mainly
used
for
short‐lived
packaging
materials
that
constitute
over
60
annual
post‐consumer
waste.
Thus,
disproportionately
high
polyolefins
end
up
as
(PCW)
management
strategies
these
particularly
inert
plastics
needed.
This
necessity
has
promoted
research
effort
dealing
valorization
discarded
but,
nevertheless,
valuable
materials.
review
aims
highlight
scientific
advances
made
in
chemical
polyolefin
recycling
recent
years,
focusing,
though
not
exclusively,
on
catalytic
processes
recycle
various
means
at
more
moderate
temperatures
compared
pyrolysis
such
deconstructing
polymer
objective
upcycling
mind
or
transformation
give
access
functional
chemicals.
The Science of The Total Environment,
Год журнала:
2023,
Номер
913, С. 169436 - 169436
Опубликована: Дек. 29, 2023
Due
to
the
'forever'
degrading
nature
of
plastic
waste,
waste
management
is
often
complicated.
The
applications
are
ubiquitous
and
inevitable
in
many
scenarios.
Current
global
plastics
production
ca.
3.5
MMT
per
year,
with
current
trend,
will
reach
25,000
by
2040.
However,
rapid
growth
manufacture
material's
inherent
resulted
accumulation
a
vast
amount
garbage.
recycling
rate
<10
%,
while
large
volumes
discarded
cause
environmental
ecological
problems.
Recycling
rates
for
vary
widely
region
type
plastic.
In
some
developed
countries,
around
20-30
developing
nations,
it
much
lower.
These
statistics
highlight
magnitude
problem
urgent
need
comprehensive
strategies
manage
more
effectively
reduce
its
impact
on
environment.
This
review
critically
analyses
past
studies
essential
efficient
techniques
turning
trash
into
treasure.
Additionally,
an
attempt
has
been
made
provide
understanding
upcycling
process,
3Rs
policy,
life-cycle
assessment
(LCA)
conversion.
advocates
pyrolysis
as
one
most
promising
methods
valuable
chemicals.
addition,
can
be
severely
impacted
due
uncontrollable
events,
such
Covid
19
pandemic.
chemical
certainly
bring
value
end-of-life
LCA
analysis
indicated
there
still
huge
scope
innovation
area
compared
mechanical
recycling.
formulation
policies
heightened
public
participation
could
play
pivotal
role
reducing
repercussions
facilitating
shift
towards
sustainable
future.
National Science Review,
Год журнала:
2023,
Номер
10(9)
Опубликована: Авг. 2, 2023
The
unsuitable
disposal
of
plastic
wastes
has
caused
serious
environmental
pollution,
and
finding
a
green
manner
to
address
this
problem
aroused
wide
concern.
Plastic
wastes,
especially
polyolefin
are
rich
in
carbon
hydrogen,
chemical
recycling
shows
distinct
advantages
their
conversion
into
olefins
realizes
closed-loop
cycling
wastes.
should
be
labeled
before
disposal.
necessity
for,
methods
of,
pretreatment
introduced
paper
the
whole
process
is
also
summarized.
As
core
technology
pyrolysis,
including
thermal,
catalytic
solvolysis
processes,
detail
due
its
potential
for
future
development.
We
briefly
describe
feasible
strategies
pyrolytic
oil
refining
life
cycle
assessment
process.
In
addition,
suggestions
perspectives
concerning
industrial
improvement
proposed.
