From Waste to Renewables: Challenges and Opportunities in Recycling Glass Fibre Composite Products from Wind Turbine Blades for Sustainable Cement Production
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(12), P. 5150 - 5150
Published: June 17, 2024
The
progress
of
civilization,
driven
significantly
by
the
widespread
adoption
electricity,
has
impacted
various
aspects
life,
from
household
operations
to
industrial
activities.
Consequently,
there
been
a
notable
increase
in
waste
production
across
different
sectors
economy.
Among
used
materials,
composite
products
reinforced
with
glass
fibres
stand
out
due
their
prevalent
use
numerous
industries.
While
offering
strength
and
durability,
they
pose
disposal
challenges
complex
composition,
making
recycling
difficult
contributing
accumulation
landfills
or
environmental
contamination.
Industrialised
nations
wrestle
balancing
economic
growth
sustainability,
aiming
reduce
ecological
footprint
Efforts
promote
recycling,
develop
alternative
improve
management
practices
are
crucial
for
mitigating
impact
civilisation’s
progress.
This
article
presents
methods
disposing
post-operation
wind
turbine
blades,
focusing
on
fibre
as
secondary
raw
materials.
We
discuss
technological,
normative,
emphasise
need
ongoing
research
innovation
practices.
examine
cement
advocate
sustainable
principles
renewable
energy
industry,
aligning
endeavours
sustainability
greener
future.
Language: Английский
Investigation of Active Species in Non-Equilibrium N2/H2Plasma With Ferroelectric Electrode
AIAA SCITECH 2022 Forum,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 3, 2025
Language: Английский
Polyethylene Terephthalate‐Based Heat Sealable Packaging Film Without Heat Sealing Layer
Packaging Technology and Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 9, 2025
ABSTRACT
The
food
packaging
industry
is
evolving
to
meet
demands
for
circularity,
cost‐effectiveness,
lower
carbon
footprint
and
higher
production
efficiency
with
polyethylene
terephthalate
(PET)
emerging
as
a
preferred
material
packaging.
Despite
its
advantages,
PET
faces
two
main
challenges
in
flexible
barrier
applications,
such
flow
packs
or
form‐fill‐seal
pouches.
First,
films
often
lack
adequate
moisture
oxygen
barriers,
limiting
their
range
of
applications.
Second,
the
high
melting
temperature
around
250°C
complicates
sealing
process,
causing
deformation
poor‐quality
seals.
Traditional
solutions
involve
multilayer
films,
which
laminated
superior
permeation‐barrier
layer
melting‐temperature
heat‐sealing
layer.
This
results
nonrecyclable
packaging,
posing
sustainability
issues.
In
present
work,
PET‐based
heat
sealable
were
developed
address
these
Specifically,
water‐based
organic–inorganic
hybrid
nanocomposite
sol–gel
coating
was
applied
one
side
23‐μm
thick
film,
followed
by
drying
curing.
thickness
subsequent
coatings
approximately
2.3
μm.
sol–gel's
rheological
properties
allow
microscopically
thin
application
that
hardens
into
micrometre‐thick,
flexible,
transparent
abrasion‐resistant
decomposition
well
above
PET.
wettability
slightly
than
result
pencil
hardness
test
indicates
tight
bonding
film.
Mechanical
tests
coated
uncoated
indicate
mechanical
bulk
retained
after
curing
coating,
reinforcing
effect
confirmed
measurement
Young's
moduli
puncture
resistance
test.
Characterization
using
Fourier
transform
infrared
spectroscopy
confirms
film
contains
organo‐silicon
compounds
aluminium
oxides.
Uncoated
sides
pair
faced
heat‐welded
at
250°C,
demonstrating
significantly
reduced
welding
portion.
water
vapour
transmission
rates
more
factor
3
4,
respectively.
Language: Английский
Toward sustainable hydrogen and carbon economies through plasma-based recycling
Frontiers of Chemical Science and Engineering,
Journal Year:
2025,
Volume and Issue:
19(10)
Published: March 27, 2025
Language: Английский
Advancements in plasma technology for circular waste management and green hydrogen production: A review
Journal of Renewable and Sustainable Energy,
Journal Year:
2025,
Volume and Issue:
17(3)
Published: May 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.
Language: Английский
Vector methods and matrix equations applied to symmetric expressions for three-component surface tension determination
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Journal Year:
2024,
Volume and Issue:
702, P. 135002 - 135002
Published: Aug. 8, 2024
Despite
its
potential
usefulness,
the
Lifshitz-van
der
Waals/acid–base
approach
is
a
controversial
method
for
surface
tension
measurement
in
physical
engineering
community,
due
to
apparent
inconsistencies.
In
present
work,
vector
using
matrix
equations
studied
desirable
test
liquid
screening,
rearranging
commonly
used
governing
equation
into
symmetric
forms.
Additionally,
new
geometric
perspective
volumes
proposed
as
simple
measure
selecting
set
of
liquids,
and
compared
state-of-art
that
relies
on
condition
number
containing
components.
It
found
these
two
approaches
agree
high
degree.
On
other
hand,
stated
liquids
critically
discussed
terms
practical
applicability.
The
presented
calculating
solid
values
further
extended
components
an
unknown
liquid,
known
Language: Английский
Roll-to-Roll SiOx Synthesis on Polyethylene Terephthalate Film by Atmospheric-Pressure Plasma-Assisted Chemical Vapor Deposition
Yukihiro Kusano,
No information about this author
Kim Bredgaard,
No information about this author
Huifang Pan
No information about this author
et al.
Materials,
Journal Year:
2024,
Volume and Issue:
17(19), P. 4694 - 4694
Published: Sept. 24, 2024
Silicon
oxide
(SiOx)
coatings
are
attracting
significant
attention
and
widely
used
in
industrial
applications.
They
can
be
prepared
by
plasma-assisted
chemical
vapor
deposition
(PACVD).
PACVD
at
atmospheric
pressure
(AP-PACVD)
is
often
employed
to
synthesize
SiOx
coatings,
but
it
has
generally
not
been
scaled
up
an
industrially
viable
level.
In
the
present
work,
a
coating
was
continuously
deposited
onto
polyethylene
terephthalate
film
using
industrial-scale
roll-to-roll
type
AP-PACVD.
1,1,3,3-Tetramethyldisiloxane
(TMDSO)
tetraethoxysilane
(TEOS)
were
selected
as
precursors.
The
elemental
compositions
structures
of
characterized,
oxygen
water-vapor
transmission
rates
measured.
TEOS
exhibited
better
barrier
properties
than
that
TMDSO,
corresponding
high
content,
SiO2
siloxane
network
content
coating.
Language: Английский