Usak University Journal of Engineering Sciences,
Journal Year:
2023,
Volume and Issue:
6(2), P. 83 - 89
Published: Dec. 28, 2023
One
of
the
biggest
causes
global
warming
is
carbon
dioxide
emissions.
Carbon
emissions
arise
as
a
result
people's
daily
activities.
Determining
and
amounts
these
extremely
important
for
world
we
live
in.
Within
scope
this
study,
emission
value
that
occurs
during
construction
1
km
asphalt
road
was
calculated.
The
data
used
calculations
are
obtained
observation
18
months.
calculated
by
Tier
method
recommended
IPCC.
As
calculations,
210
tons
CO2
were
determined
pavement
road.
This
figure
approximately
32
times
higher
than
amount
person
releases
into
nature
in
year
his
vital
Sensors,
Journal Year:
2024,
Volume and Issue:
24(3), P. 762 - 762
Published: Jan. 24, 2024
The
gas
sensitivity
of
the
W
defect
in
WS2
(VW/WS2)
to
five
toxic
gases—HCHO,
CH4,
CH3HO,
CH3OH,
and
CH3CH3—has
been
examined
this
article.
These
gases
were
adsorbed
on
VW/WS2
surface,
band,
density
state
(DOS),
charge
difference
(CDD),
work
function
(W),
current–voltage
(I–V)
characteristic,
adsorption
systems
determined.
Interestingly,
for
HCHO-VW/WS2,
energy
level
contribution
HCHO
is
closer
Fermi
level,
transfer
(B)
largest
(0.104
e),
increase
more
obvious
than
other
systems,
slope
I–V
characteristic
changes
obviously,
calculated
highest.
To
sum
up,
sensitive
HCHO.
In
conclusion,
has
a
great
deal
promise
producing
chemical
sensors
due
its
high
selectivity
HCHO,
which
can
aid
precise
efficient
detection
gases.
Cleaner Materials,
Journal Year:
2024,
Volume and Issue:
12, P. 100239 - 100239
Published: March 15, 2024
Due
to
rapid
population
growth
and
urbanization,
construction
activities
have
increased
worldwide
resulting
in
generation
of
enormous
volume
demolition
(C&D)
waste.
On
one
hand,
C&D
waste
is
generated
during
the
construction,
destruction,
rehabilitation
existing
structures.
While
on
other,
transportation
sector
consumes
large
volumes
aggregates
for
pavement
maintenance.
The
extraction
finite
natural
causes
potential
damage
environment.
Recycled
waste,
once
converted
into
recycled
aggregates,
has
be
utilized
layers
due
its
sound
quality
composition;
also
lowering
landfill
loads.
This
review
article
critically
summarizes
environmental
risks
regarding
chemical
composition
leaching
behavior
wastes
pavements.
Additionally,
this
evaluates
impacts
aggregate
production
application
pavements
using
life
cycle
assessment
(LCA).
Overall,
aim
study
investigate
benefits
enable
highway
administrations
adopt
promote
use
development
sustainable
road
infrastructure.
In
way,
attempts
a
new
era
achieve
net
zero
goal.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
912, P. 169189 - 169189
Published: Dec. 12, 2023
A
large
amount
of
solid
waste,
such
as
steel
slag
(SS),
is
generated
annually.
At
the
same
time,
shortage
road
construction
materials
becoming
a
concern.
In
this
study,
to
recycle
and
reuse
SS
substitute
for
natural
aggregates
achieve
resource
conservation
sustainable
development
roads
were
conducted.
First,
electromagnetic
performance
was
explored
evaluate
its
wave-absorbing
properties.
Next,
effect
different
contents
on
heating
properties,
surface
temperature,
uniformity,
ice
melting
time
(IMT)
investigated.
Finally,
carbon
emissions
assessment
(CEA)
conventional
asphalt
mixture
(CAM)
(SSAM)
compared.
Results
indicated
that
has
ferromagnetic
behavior
higher
parameters,
showing
better
properties
than
limestone.
There
three
stages
during
microwave
(MH):
melting,
moisture
emitting,
stabilization.
addition,
uniformity
tends
be
poor
with
increase
SS,
samples
100
%
content
have
highest
standard
deviation
21.04
°C
20.77
after
270
s
at
-10
-
20
°C.
Samples
containing
50
best
deicing
which
can
reduce
IMT
by
28.57
46.18
initial
freezing
temperatures
thickness
compared
CAM.
Furthermore,
CEA
revealed
CAM
SSAM's
over
construction's
life
cycle
are
similar
(around
27,000
kg)
originate
mainly
from
mixing
raw
material
extraction
phases.
However,
SSAM
leads
environmental
economic
benefits
provides
an
exemplary
waste
solution.
Minerals Engineering,
Journal Year:
2024,
Volume and Issue:
208, P. 108600 - 108600
Published: Feb. 9, 2024
The
increasing
demand
for
lithium-ion
batteries
(LIBs)
has
accelerated
the
extraction
and
processing
of
numerous
critical
minerals
embedding
lithium,
cobalt,
manganese,
nickel,
graphite.
Extracting
these
elements
from
earth's
crust
is
inevitably
associated
with
generation
by-products,
leading
to
various
environmental
impacts
that
need
be
carefully
considered.
It
essential
integrate
by-products
into
sustainable
value
chains
demonstrate
their
benefits.
Life
cycle
assessment
(LCA)
provides
a
systematic
approach
analysing
integration
in
circular
economy
assessing
impact
throughout
product's
life
cycle.
Although
LCA
enables
decision-makers
evaluate
potential
benefits
trade-offs
using
economy,
its
acceptance
by
mining
community
limited.
This
literature
survey
shows
attention
being
directed
towards
LCA-based
research
order
foster
mineral
related
LIBs.
While
more
authoritative
effective
information
channels
are
opening
up
researchers
end-users
learn
about
this
context,
two
main
issues
present
current
research,
namely
lack
equilibrium
(i.e.
focus
on
small
isolated
areas
may
not
represent
whole
market)
criteria
difficult
compare).
Through
analysis
79
relevant
papers,
we
realized
by-product
recycling
limited
specific
areas,
such
as
selection,
method
qualification,
categories.
These
often
studied
isolation,
fragmented
understanding
broader
context
battery
production.
Furthermore,
comparing
results
across
different
studies
same
topic
can
challenging.
To
improve
future
recycling,
greater
should
paid
non-hotspot
fields,
sustainability
evaluation
specifically
cast
established
decision-making.
