Polymers,
Journal Year:
2023,
Volume and Issue:
16(1), P. 114 - 114
Published: Dec. 29, 2023
According
to
scientific
research
from
different
countries,
crumb
rubber
obtained
end-of-life
tires
(ELT)
during
processing
can
improve
the
properties
of
asphalt
mixture,
thereby
extending
service
life
road
surface.
This
paper
presents
modification
bitumen
with
industrial
waste.
The
for
roads
is
considered
one
most
suitable
and
popular
approaches.
describes
details
using
types
as
modifiers.
modified
bitumen’s
main
physical
mechanical
characteristics
were
determined
after
conventional
tests:
penetration
ductility,
softening
point,
Fraas
brittleness
point.
In
order
obtain
a
rubber–asphalt
concrete
mixture
improved
performance
characteristics,
viscoelastic
rheological
rubber–bitumen
binders
their
comparison
polymer–bitumen
also
studied.
results
show
that
increasing
temperature,
values
viscosity,
shear
stress
complex
modulus
all
studied
systems
decrease,
phase
shift
angle
increase,
size
particles
has
greater
influence
on
systems.
Carbon Energy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 7, 2024
Abstract
Waste
tyres
(WTs)
are
a
major
global
issue
that
needs
immediate
attention
to
ensure
sustainable
environment.
They
often
dumped
in
landfills
or
incinerated
open
environments,
which
leads
environmental
pollution.
However,
various
thermochemical
conversion
methods
have
shown
promising
results
as
treatment
routes
tackle
the
WT
problem
while
creating
new
materials
for
industries.
One
such
material
is
char,
has
properties
comparable
those
of
carbon
used
an
active
electrode
batteries.
Therefore,
systematic
review
approaches
convert
WTs
into
applications
was
conducted.
The
shows
pretreatment
processes,
process
routes,
and
operating
parameters
affect
derived
its
respective
electrochemical
performance.
WT‐derived
potential
yield
high
specific
capacity
greater
than
traditional
graphite
(372
mAh
g
−1
)
commonly
lithium‐ion
Finally,
outlines
challenges
well
opportunities
future
research
directions
from
WTs.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
22, P. 102229 - 102229
Published: May 10, 2024
Automotive
tires
are
a
major
waste
stream
and
there
currently
numerous
options
for
reusing,
recycling,
remanufacturing
the
tire
rubber
(WTR)
other
components.
Some
competing
technologies
(retreading,
product
repurposing,
energy
recovery,
pyrolysis
oil,
waste-tire
crumbing,
devulcanized
rubber)
discussed
here
to
demonstrate
broad
scope
of
possible
applications
identify
advantages/disadvantages
processes.
Based
on
industrial
maturity
processes,
this
study
performed
qualitative–quantitative
fuzzy
analysis
twelve
alternative
by-products
WTR,
including
1)
or
desulfurized
rubber;
2)
tiles,
mats,
rod
barriers;
3)
composite
materials;
4)
bitumen;
5)
asphalt;
6)
heat
energy;
7)
crude
oil;
8)
diesel;
9)
char
carbon
black;
10)
gasification
gas;
11)
activated
adsorption
carbon;
12)
lightweight
concrete.
Quantitative
sustainability
considerations
were
applied
weight
technical,
economic,
environmental,
social
factors
according
their
importance,
while
qualitative
criteria
productivity,
reliability,
efficiency,
size
range,
time,
cost,
ergonomics,
human
development,
employment
potential
based
insights
from
published
literature.
Comparative
literature-based
statistical
resources
conventional
recycling
was
performed.
The
results
identified
WTR
into
sheets
as
best
sustainable
business
option
with
highest
index
0.628,
concrete
worst
by-product
low
0.012.
Other
very-high-potential
include
producing
value-added
products
materials
rubber.
These
findings
provide
valuable
stakeholders
in
field
management
small-to-medium
businesses
looking
add
further
value
products.
Furthermore,
these
could
guide
international
research
help
focus
most
use
WTR.
