Waste Management,
Год журнала:
2025,
Номер
201, С. 114793 - 114793
Опубликована: Апрель 14, 2025
The
European
Union's
recycling
objectives
of
50
%
for
packaging
by
2025
and
55
2030
are
still
far
from
the
current
rate
37.8
%.
Thermochemical
via
pyrolysis
might
improve
recovery
rates,
especially
challenging
post-consumer
dirty
contaminated
plastics.
Many
studies
focus
on
virgin
plastics
artificial
mixtures
these
to
simulate
real-world
mixed
plastic
waste
scenarios.
This
study
examines
a
sample
pre-sorting
an
Italian
composting
plant
represent
real
within
collection
chain.
contains
plastics,
organics,
paper,
others,
with
making
up
72.18
sample,
primarily
identified
as
LDPE,
PP,
HDPE.
were
tested
individually
mixture,
mirroring
concentrations
observed
original
in
bench-scale
semi-batch
reactor
at
varying
temperatures
(420
°C,
470
520
°C)
residence
times.
analysis
indicated
that
temperature
time
considerably
influence
product
yields
composition,
although
has
more
dominant
effect.
Wax
showed
paraffins
olefins
primary
components,
peak
carbon
number
distribution
C14-C19
range
elevated
temperatures.
Contaminant
wax
substantial
levels
halogens
metals,
posing
challenges
downstream
processes.
Results
mixture
tests
revealed
individual
polymers
could
be
predicted
linear
combination
their
behaviors,
accuracy
10
margin
error
across
examined
lower
Journal of Materials Science,
Год журнала:
2024,
Номер
59(31), С. 14095 - 14140
Опубликована: Июль 30, 2024
Abstract
Electrospun
nanofibers
have
gained
prominence
as
a
versatile
material,
with
applications
spanning
tissue
engineering,
drug
delivery,
energy
storage,
filtration,
sensors,
and
textiles.
Their
unique
properties,
including
high
surface
area,
permeability,
tunable
porosity,
low
basic
weight,
mechanical
flexibility,
alongside
adjustable
fiber
diameter
distribution
modifiable
wettability,
make
them
highly
desirable
across
diverse
fields.
However,
optimizing
the
properties
of
electrospun
to
meet
specific
requirements
has
proven
be
challenging
endeavor.
The
electrospinning
process
is
inherently
complex
influenced
by
numerous
variables,
applied
voltage,
polymer
concentration,
solution
flow
rate,
molecular
weight
polymer,
needle-to-collector
distance.
This
complexity
often
results
in
variations
nanofibers,
making
it
difficult
achieve
desired
characteristics
consistently.
Traditional
trial-and-error
approaches
parameter
optimization
been
time-consuming
costly,
they
lack
precision
necessary
address
these
challenges
effectively.
In
recent
years,
convergence
materials
science
machine
learning
(ML)
offered
transformative
approach
electrospinning.
By
harnessing
power
ML
algorithms,
scientists
researchers
can
navigate
intricate
space
more
efficiently,
bypassing
need
for
extensive
experimentation.
holds
potential
significantly
reduce
time
resources
invested
producing
wide
range
applications.
Herein,
we
provide
an
in-depth
analysis
current
work
that
leverages
obtain
target
nanofibers.
examining
work,
explore
intersection
ML,
shedding
light
on
advancements,
challenges,
future
directions.
comprehensive
not
only
highlights
processes
but
also
provides
valuable
insights
into
evolving
landscape,
paving
way
innovative
precisely
engineered
various
Graphical
abstract
Polymers,
Год журнала:
2025,
Номер
17(4), С. 522 - 522
Опубликована: Фев. 17, 2025
By
the
late
1970s,
plastics
had
emerged
as
most
widely
used
materials
globally.
The
discovery,
development,
and
processing
of
diverse
polymeric
have
profoundly
shaped
modern
life
driven
expansion
numerous
industries.
Given
widespread
interest
in
utilization
these
materials,
it
has
become
increasingly
imperative
to
design
their
cycles
from
outset.
This
approach
aims
maximize
utility
while
minimizing
environmental
footprint.
review
identify
analyze
key
challenges
polymer
applicable
both
additive
formative
manufacturing
methods,
emphasizing
relationship
between
recycling
within
framework
sustainability.
Modern
techniques
play
a
crucial
role
enhancing
sustainability
products
by
improving
potential
(with
consideration
type,
source,
additives),
cost-effectiveness,
carbon
footprint,
properties
such
durability,
lifespan,
performance,
impact.
It
will
also
explore
concept
circular
economy
its
integration
into
including
extrusion,
injection
molding,
3D
printing.
Additionally,
current
methods
are
analyzed
with
respect
effectiveness,
sustainability,
compatibility
original
materials.
Moreover,
discussion
emphasizes
benefits
compared
linear
one
exploring
concepts
closed-loop
open-loop
systems,
along
applications
depending
on
material
initial
method
employed.
To
ensure
that
humanity
continues
benefit
striving
for
waste-free
environment,
is
essential
integrate
principles
sustainable
development
very
beginning.
Microbial Cell Factories,
Год журнала:
2024,
Номер
23(1)
Опубликована: Июль 1, 2024
Abstract
Background
Plastic
is
widely
utilized
in
packaging,
frameworks,
and
as
coverings
material.
Its
overconsumption
slow
degradation,
pose
threats
to
ecosystems
due
its
toxic
effects.
While
polyhydroxyalkanoates
(PHA)
offer
a
sustainable
alternative
petroleum-based
plastics,
their
production
costs
present
significant
obstacles
global
adoption.
On
the
other
side,
multitude
of
household
industrial
activities
generate
substantial
volumes
wastewater
containing
both
organic
inorganic
contaminants.
This
not
only
poses
threat
but
also
presents
opportunities
get
benefits
from
circular
economy.
Main
body
abstract
Production
bioplastics
may
be
improved
by
using
nutrients
minerals
feedstock
for
microbial
fermentation.
Strategies
like
feast-famine
culture,
mixed-consortia
integrated
processes
have
been
developed
PHA
highly
polluted
with
high
loads.
Various
process
parameters
loading
rate,
content
(volatile
fatty
acids),
dissolved
oxygen,
operating
pH,
temperature
critical
roles
accumulation
biomass.
Research
advances
are
going
on
downstream
recovery
utilizing
combination
physical
chemical
(halogenated
solvents,
surfactants,
green
solvents)
methods.
review
highlights
recent
developments
upcycling
resources
into
PHA,
encompassing
various
strategies,
processing
methodologies,
techno-economic
analyses.
Short
conclusion
Organic
carbon
nitrogen
promising,
cost-effective
source
producing
bioplastic.
Previous
attempts
focused
enhancing
productivity
through
optimizing
culture
systems
growth
conditions.
However,
despite
technological
progress,
challenges
persist,
such
low
productivity,
intricate
processing,
scalability
issues,
properties
resulting
PHA.
Graphical
Polymers,
Год журнала:
2024,
Номер
16(19), С. 2770 - 2770
Опубликована: Сен. 30, 2024
Plastic
pollution
is
a
major
driver
of
climate
change
that
associated
with
biodiversity
loss,
greenhouse
gas
emissions,
and
negative
soil,
plant,
animal,
human
health.
One
the
solutions
has
been
proposed
currently
reducing
adverse
effects
plastic
on
planet
replacement
synthetic
plastics
biopolymers.
The
biodegradable
polymers
have
adapted
for
most
applications
plastic.
However,
their
use
disposal
present
some
sustainability
challenges.
Recycling
emerges
as
an
effective
way
promoting
biopolymer
use.
In
this
article,
we
review
recycling
viable
solution
to
improve
biopolymers,
emphasizing
current
types
technologies
employed
in
challenges
faced
adoption.
Our
exploration
future
directions
conversion
biopolymers
into
new
reuse
establishes
connection
between
established
continuous
technological
innovation,
integration
circular
economy
models,
establishment
strengthening
collaborations
among
key
stakeholders
relevant
industries
necessary
steps
adoption,
full
utilization,
improvement
By
connecting
these
factors,
study
lays
foundation
roadmap
improved
processes
promote
alternatives.
PeerJ,
Год журнала:
2024,
Номер
12, С. e18013 - e18013
Опубликована: Сен. 11, 2024
Bioplastics
are
emerging
as
a
promising
alternative
to
traditional
plastics,
driven
by
the
need
for
more
sustainable
options.
This
review
article
offers
an
in-depth
analysis
of
entire
life
cycle
bioplastics,
from
raw
material
cultivation
manufacturing
and
disposal,
with
focus
on
environmental
impacts
at
each
stage.
It
emphasizes
significance
adopting
agricultural
practices
selecting
appropriate
feedstock
improve
outcomes.
The
highlights
detrimental
effects
unsustainable
farming
methods,
such
pesticide
use
deforestation,
which
can
lead
soil
erosion,
water
pollution,
habitat
destruction,
increased
greenhouse
gas
emissions.
To
address
these
challenges,
advocates
efficient
extraction
techniques
renewable
energy
sources,
prioritizing
considerations
throughout
production
process.
Furthermore,
methods
reducing
consumption,
usage,
chemical
inputs
during
implementing
eco-friendly
technologies.
stresses
importance
developing
robust
disposal
systems
biodegradable
materials
supports
recycling
initiatives
minimize
new
resources.
holistic
approach
sustainability,
including
responsible
cultivation,
practices,
effective
end-of-life
management.
underscores
evaluate
potential
bioplastics
reduce
plastic
considering
technological
advancements,
infrastructure
development,
consumer
awareness.
Future
research
should
enhancing
understanding
long-term
ecological
impacts,
advancing
technology
better
performance
compatibility.
comprehensive
bioplastics'
footprint
urgent
solutions
in
production.
Polymer-Plastics Technology and Materials,
Год журнала:
2024,
Номер
unknown, С. 1 - 40
Опубликована: Ноя. 1, 2024
One
of
the
polymers
with
biggest
production
volume
is
poly(vinyl
chloride)
(PVC)
considering
their
versatility,
durability,
lightweight,
as
well
low
cost
production,
plastics
have
recently
become
an
essential
part
everyone's
daily
life.
However,
increased
and
usage
poses
significant
environmental
problems
because
incomplete
utilization,
a
lengthy
biodegradation
period,
detrimental
effects
on
living
things.
This
study
examines
latest
findings
in
PVC
research,
including
its
properties,
polymerization,
modification,
recycling,
diverse
applications.
It
has
been
proposed
that
during
along
application
both
inorganic
organic
thermal
stabilizers,
can
mitigate
some
basic
limiting
characteristics
PVC.
chemistry
extended
by
vast
continuous
study,
mainly
chemical
transformations
this
polymeric
material.
describes
modification
using
different
materials
active
modifying
agent.
The
latter
included
substitutions,
modifications,
nucleophilic
radicals,
removal
or
dehydrochlorination,
grafting
polymerizations.
PVC's
consequences
are
examined,
overview
functionalization
provided
article,
discussion
main
reactivity
trends
lens
recycling.
