Mechanical properties of sandstone under in-situ high-temperature and confinement conditions
Liyuan Liu,
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Juan Jin,
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Jiandong Liu
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et al.
International Journal of Minerals Metallurgy and Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 8, 2025
Language: Английский
Country-Specific External Costs of Abiotic Resource Use Based on User Cost Model in Life Cycle Impact Assessment
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(18), P. 7849 - 7859
Published: April 26, 2024
Abiotic
resources
are
indispensable
in
society,
but
there
concerns
regarding
their
depletion,
scarcity,
and
increasing
prices,
resulting
potential
economic
damage
the
future.
To
address
these
concerns,
it
is
effective
to
consider
external
costs
of
resource
use.
Although
availability
different
among
mining
sites,
local
conditions
relevant
assessing
previous
studies
have
assessed
impacts
abiotic
use
globally.
This
study
provides
country-specific
characterization
factors
(CFs)
life
cycle
impact
assessment
based
on
user
cost
model,
which
represents
reflect
scarcity.
We
demonstrate
considerable
variations
CFs
depending
country,
suggesting
that
choice
country
can
affect
costs.
The
global
2020
was
estimated
at
1.9
trillion
$,
with
a
major
contribution
from
extraction
fossil
fuels
United
States.
Historical
trends
parameters
showed
temporal
fluctuations,
emphasizing
importance
regularly
updating
data
underlying
calculation
CFs.
Country-level
assessments
contribute
discussions
responsibilities
consuming
countries
by
incorporating
material
footprint
studies.
Language: Английский
Seven principles for monitoring the physical economy
Resources Conservation and Recycling,
Journal Year:
2024,
Volume and Issue:
212, P. 107902 - 107902
Published: Sept. 13, 2024
Language: Английский
Byproduct-to-Host Ratios for Assessing the Accessibility of Mineral Resources
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(50), P. 22213 - 22223
Published: Dec. 4, 2024
Mineral
resources
are
essential
for
reaching
net-zero
ambitions
by
2050.
There
is
a
rising
diversity
of
metals
in
electricity
generation
and
storage
technologies,
as
well
mobility
technologies.
However,
little
known
about
the
future
supply
minor
elements
historically
mined
low
volumes
such
indium,
tellurium,
germanium,
or
tantalum.
Those
found
lower
concentrations
ores
major
therefore
rarely
form
economic
deposits
on
their
own.
Such
often
produced
byproducts
host
(or
"target
commodity",
which
underpins
bulk
mine's
profitability)
ore,
e.g.,
porphyry
tellurium
byproduct
where
copper
host.
As
result,
primary
those
depends
elements.
dependency
has
not
been
accounted
scenarios
mineral
supply.
To
address
this
gap,
we
developed
methodology
to
harmonize
scattered
data
resource
estimates
calculate
mass
ratio
between
concentrates,
called
byproduct-to-host
(BtH)
ratio.
We
collected
crude
ore
tonnage
element
grades,
among
other
key
data,
from
state-of-the-art
literature
publicly
available
mining
company
reports.
Our
set
covers
3422
across
141
countries
providing
22
275
BtH
ratios.
The
can
be
derived
multiplying
production
ratios,
noting
limitations
representativity.
open-access
nature
work
facilitates
enrichment
update
coming
years.
Language: Английский