E3S Web of Conferences,
Год журнала:
2023,
Номер
453, С. 01022 - 01022
Опубликована: Янв. 1, 2023
The
understanding
of
sustainable
remanufacturing
as
an
innovative
method
has
come
about
a
solution
to
the
ecological
difficulties
posed
by
industrial
manufacturing.
present
study
investigates
concept
reinvention
via
review
novel
practices
in
field
remanufacturing.
Remanufacturing
is
organizational
strategy
that
seeks
increase
operational
lifecycle
items,
hence
reducing
production
waste
and
maximizing
resource
use.
process
includes
thorough
set
phases,
involving
removal,
repair,
enhancement,
with
goal
rebuilding
already
utilized
products
their
former
functionality
well
performance
standards.
This
examines
current
state
procedures,
methods,
strategies
contribute
evolution
operation
environmentally
friendly
form.
abstract
underlines
urgent
requirement
for
solutions
response
problems
environment.
idea
been
suggested
effective
way
solve
these
issues.
recent
discussion
presents
easy-to-understand
representation
process,
emphasizing
its
essential
relevance
increasing
lifespan
goods
decreasing
waste.
subsequent
section
describes
primary
objective
research,
which
investigation
methods
green
paper
aims
investigate
multiple
tools,
are
currently
impacting
emergence
companies.
Materials,
Год журнала:
2024,
Номер
17(12), С. 2991 - 2991
Опубликована: Июнь 18, 2024
Plastic
pollution
has
escalated
into
a
critical
global
issue,
with
production
soaring
from
2
million
metric
tons
in
1950
to
400.3
2022.
The
packaging
industry
alone
accounts
for
nearly
44%
of
this
production,
predominantly
utilizing
polyethylene
terephthalate
(PET).
Alarmingly,
over
90%
the
approximately
1
PET
bottles
sold
every
minute
end
up
landfills
or
oceans,
where
they
can
persist
centuries.
This
highlights
urgent
need
sustainable
management
and
recycling
solutions
mitigate
environmental
impact
waste.
To
better
understand
PET's
behavior
promote
its
within
circular
economy,
we
examined
chemical
physical
properties,
current
strategies
most
effective
methods
available
today.
Advancing
economy
framework
by
closing
industrial
loops
demonstrated
benefits
such
as
reduced
landfill
waste,
minimized
energy
consumption,
conserved
raw
resources.
end,
identified
various
based
on
R-imperatives
(ranging
3R
10R),
focusing
latest
approaches
aimed
at
significantly
reducing
waste
2040.
Additionally,
comparison
(including
primary,
secondary,
tertiary,
quaternary
recycling,
along
concepts
"zero-order"
biological
techniques)
was
envisaged.
Particular
attention
paid
heterogeneous
catalytic
glycolysis,
which
stands
out
rapid
reaction
time
(20-60
min),
high
monomer
yields
(>90%),
ease
catalyst
recovery
reuse,
lower
costs,
enhanced
durability.
Accordingly,
use
highly
efficient
oxide-based
catalysts
glycolytic
degradation
is
underscored
promising
solution
large-scale
applications.
Intelligent Systems with Applications,
Год журнала:
2024,
Номер
22, С. 200341 - 200341
Опубликована: Фев. 28, 2024
An
incredibly
wide
range
of
plastic
products
and
enormous
volumes
generated
wastes
makes
sorting
technologies
highly
important.
In
order
to
enhance
the
efficiency
accuracy
process,
this
article
proposes
an
Internet
Video
Things
solution
based
on
deep
learning
algorithms
for
image
recognition
waste
a
moving
conveyor
belt
embedded
intelligence.
particular,
state-of-the-art
object
detection
models,
including
Faster
R-CNN,
RetinaNet
YOLOv8
are
used.
Target
categories
Polyethylene
Terephthalate
(PET)
Polypropylene
(PP).
Furthermore,
we
implemented
quantization
techniques
trained
models
commercial
off-the-shelf
system
fast
processing
time.
We
achieved
high
mean
Average
Precision
(mAP)
metric
77.74%
95.67%
test
set
fine-tuned
optimized
deployment
Nano
providing
20
frames
per
second.
This
research
contributes
field
application
by
demonstrating
efficacy
run
in
industrial
process.
The
findings
highlight
practical
applicability
these
offer
insights
into
resource
management
recycling
practices.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Март 21, 2024
Abstract
This
work
discusses
selecting
optimal
brake
friction
composite
alternatives
based
on
an
integrated
MABAC
(multi-attributive
border
approximation
area
comparison)
and
AHP
(analytic
hierarchy
process)
approach.
Therefore,
non-asbestos
automotive
composites
containing
varying
proportions
of
cement
dust
(50
to
0
wt%)
barium
sulfate
(0
50
were
developed
tribo-evaluated
a
Krauss
machine
following
European
regulations.
Composite
made
up
30
wt%
20
had
the
highest
coefficient
(0.361),
lowest
variability
(0.598),
maximum
recovery
(123.27%).
The
with
least
fading
(15.36%)
included
dust,
whereas
wear
(9.10
g)
frictional
fluctuations
(0.271)
contained
sulfate.
By
AHP,
(0.1989),
fade
(0.1696),
(0.1551),
(0.1412)
selected
as
essential
criteria
in
performance
assessment.
Based
ranking
evaluation,
comprises
has
best
tribological
profile,
solely
or
have
poorest
profile.
acquired
results
confirmed
using
other
decision-making
models
subjected
sensitivity
analysis
demonstrate
their
robustness.
Applied Sciences,
Год журнала:
2024,
Номер
14(2), С. 478 - 478
Опубликована: Янв. 5, 2024
The
annual
production
of
plastic
waste
worldwide
has
doubled
in
just
two
decades,
with
approximately
390
million
tonnes
now
being
generated.
In
this
context,
the
construction
industry
must
move
towards
development
new,
more
sustainable
materials
made
under
circular
economy
criteria.
work,
a
physico-mechanical
characterisation
gypsum
composites
incorporation
high-density
polyethylene
(HDPE)
waste,
replacing
2–4–6–8–10%
by
volume
original
raw
material,
been
conducted.
results
show
how
these
wastes
improves
water
resistance
material
without
additions,
as
well
producing
decrease
thermal
conductivity
and
greater
to
impact.
On
other
hand,
it
found
that,
percentage
recycled
added
increases,
mechanical
bending
compression
decreases,
leading
fracture
due
lack
cohesion
between
matrix
waste.
Nevertheless,
all
cases
studied,
strengths
higher
than
those
established
EN
13279-2
standard
were
obtained.
Thus,
confirm
viability
secondary
be
used
new
products
for
building,
especially
design
prefabricated
panels
false
ceilings.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Дек. 30, 2024
Catalytic
upcycling
of
polyethylene
terephthalate
(PET)
into
high-value
oxygenated
products
is
a
fascinating
process,
yet
it
remains
challenging.
Here,
we
present
one-step
tandem
strategy
to
realize
the
thermal
catalytic
oxidation
PET
terephthalic
acid
(TPA)
and
glycolic
(GA)
instead
ethylene
glycol
(EG).
By
using
Au/NiO
with
rich
oxygen
vacancies
as
catalyst,
successfully
accelerate
hydrolysis
PET,
accompanied
by
obtaining
99%
TPA
yield
87.6%
GA
yield.
The
results
reveal
that
in
NiO
(NiO-O
