Polymers,
Год журнала:
2024,
Номер
16(23), С. 3378 - 3378
Опубликована: Ноя. 30, 2024
In
light
of
the
significant
impact
climate
change,
it
is
imperative
to
identify
effective
solutions
reduce
environmental
burdens
industrial
production
and
promote
recycling
strategies
also
for
thermosetting
polymers.
this
work,
mechanical
phenolic
resins,
obtained
from
scrap
plastic
knobs
household
appliances,
was
optimized.
The
feasibility
a
partial
substitution
virgin
materials
with
recycled
ones
investigated
both
at
laboratory
scale.
Finally,
benefits
arising
use
material
were
quantified
through
life
cycle
assessment
(LCA).
results
characterization
demonstrated
that
thermal
properties
resins
not
influenced
by
presence
material,
performances
significantly
impaired
up
content
30
wt%.
trials
replacing
15
wt%
without
any
influence
on
aesthetical
features
produced
components.
LCA
industrially
highlighted
limited
benefit
in
case
novolac
chromium-plated
samples,
while
an
overall
reduction
around
7-10%
detected
resol-based
materials.
Materials,
Год журнала:
2024,
Номер
17(7), С. 1687 - 1687
Опубликована: Апрель 7, 2024
Plasmas
are
reactive
ionised
gases,
which
enable
the
creation
of
unique
reaction
fields.
This
allows
plasmas
to
be
widely
used
for
a
variety
chemical
processes
materials,
recycling
among
others.
Because
increase
in
urgency
find
more
sustainable
methods
waste
management,
have
been
enthusiastically
applied
processes.
review
presents
recent
developments
plasma
technologies
linked
economical
models
circular
economy
and
management
hierarchies,
exemplifying
thermal
decomposition
organic
components
or
substances,
recovery
inorganic
materials
like
metals,
treatment
paper,
wind
turbine
waste,
electronic
waste.
It
is
discovered
that
most
applicable
processes,
whereas
nonthermal
often
different
contexts
utilise
their
selectivity.
Most
applications
successful,
but
there
room
advancements
applications.
Additionally,
further
perspectives
discussed.
Energies,
Год журнала:
2025,
Номер
18(2), С. 232 - 232
Опубликована: Янв. 7, 2025
Energy
shortage
and
greenhouse
gas
emission
have
become
bottlenecks
in
current
society
development.
Improving
the
efficiency
of
energy
conversion
utilization
systems
through
waste
heat
recovery
reduction
CO2
capture/conversion
are
important
solutions.
Both
can
be
achieved
simultaneously
by
utilizing
high-temperature
flue
or
for
organic
matter
gasification,
which
is
called
chemical
recuperative
cycle.
This
paper
provides
a
meaningful
review
latest
advancements
cycle
system,
focusing
on
its
application
diverse
gasification
matters
such
as
methane,
sludge,
etc.
Additionally,
this
reviews
methods
integration
into
under
scenarios
turbine
gas,
air
combustion
oxy-fuel
gas.
Subsequently,
order
to
improve
cycle,
applications
emerging
technologies
field
microwave
plasma
etc.,
briefly
summarized,
offering
an
in-depth
analysis
mechanisms
new
enhance
process.
Finally,
prospects
challenges
discussed,
comprehensive
outlook
provided
guide
future
research.
Pigment & Resin Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 26, 2025
Purpose
The
purpose
of
this
study
is
to
address
the
growing
issue
microplastic
contamination,
particularly
in
freshwater
bodies,
and
summarize
recent
research
on
topic.
This
aims
discuss
origins,
distribution
occurrence
microplastics,
as
well
methods
used
for
their
extraction
characterization,
with
a
special
focus
India
due
its
significant
population
highly
contaminated
water
bodies.
Design/methodology/approach
approach
involves
comprehensive
review
publications
from
years
that
contamination
systems.
includes
an
analysis
sources
environments
techniques
sampling
characterizing
these
pollutants.
Also,
one
experiment
was
carried
out
understand
hygroscopic
behavior
polyamides;
which
circular
disc
polyamide
(PA6)
dipped
into
container
12
months.
Findings
findings
highlight
widespread
presence
microplastics
bodies
worldwide,
emphasizing
severe
threat
they
pose
living
species.
also
identifies
critical
area
concern
large
heavily
polluted
In
addition,
impact
pollution
aquatic
creatures
other
organisms
briefly
discussed.
results
demonstrated
how
hydrophilic
polymers
can
be
converted
microparticles,
subsequently
spread
contribute
pollution.
Originality/value
provides
valuable
synthesis
current
state
systems,
offering
insights
origins
It
underscores
significance
addressing
India,
thereby
contributing
global
understanding
informing
future
policy
initiatives.
Sustainability,
Год журнала:
2025,
Номер
17(5), С. 2040 - 2040
Опубликована: Фев. 27, 2025
The
global
coronavirus
(COVID-19)
pandemic
in
early
2020
caused
the
amount
of
medical
waste,
especially
plastic
to
increase.
exacerbated
waste
management
problem,
including
need
find
more
sustainable
treatment
methods.
This
study
investigated
conversion
(FFP2-type
face
masks)
syngas
via
pure
CO2
plasma
gasification
recover
energy
and
reduce
environmental
pollution.
A
direct
current
(DC)
thermal
arc
torch
40.6–68.4
kW
power
generated
stream.
Carbon
dioxide
(CO2),
as
a
greenhouse
gas
(GHG),
was
used
main
plasma-forming
gasifying
agent.
140thermal
feedstock
input
system
study.
effect
CO2-to-C
ratio
on
performance
efficiency
investigated.
best
process
obtained
at
2.34.
In
these
conditions,
components
(H2
+
CO)
comprised
80.46
vol.%
(H2:
24.62
CO:
55.84
vol.%)
following
values
were
seen
for
heating
value
(LHVsyngas:
13.88
MJ/Nm3),
yield
(3.13
Nm3/kgFFP2),
tar
content
(23.0
g/Nm3),
carbon
(CCE:
70.6%),
cold
(CGE:
47.8%).
Additionally,
mass
balance
evaluated.
It
demonstrated
that
could
be
promising
thermochemical
technology
disposal
simultaneous
utilization
gases,
such
dioxide.
Journal of Renewable and Sustainable Energy,
Год журнала:
2025,
Номер
17(3)
Опубликована: Май 1, 2025
Plasma-based
tertiary
recycling
offers
a
profitable
solution
for
converting
mixed
and
contaminated
waste
into
high-grade
energy,
providing
cleaner
alternative
to
fossil
fuels
supporting
sustainable
development
goals.
Technological
innovations
in
plasma
generation
have
enabled
efficient
waste-to-energy
conversion
without
the
need
segregation,
disinfection,
or
preprocessing,
making
integrated
gasification
viable
waste.
This
review
explores
recent
advancements
methods
various
torch
configurations
management,
evaluating
their
techno-economic
feasibility.
Case
studies
highlight
successful
applications
reducing
landfill
dependency
enhancing
circular
economy
practices.
Plasma
of
1
kg
requires
0.37–0.5
kWh
electricity
can
generate
approximately
0.87–0.97
using
internal
combustion
(IC)
engines
up
1.1–1.47
with
gas
turbines.
From
lifecycle
assessment
disposal
methodologies,
plasma-based
has
global
warming
potential
0.205
CO2
equivalent
(CO2e)
per
waste,
compared
incineration
(0.700–1.2
CO2e/kg),
open
burning
(2.9
landfilling
(0.781
CO2e/kg).
emphasizes
suitability
IC
(η
=
12%–21%),
turbines,
gas–steam
turbines
small-,
medium-,
large-scale
applications,
respectively.
It
also
artificial
intelligence
integration
management
achieve
goals
by
diverting
from
landfills
generating
renewable
energy
by-products.
Additionally,
it
highlights
mobile
plants
18%
overall
efficiency
direct
current
arc
combined
spark
ignition
engines.
