Frontiers in Earth Science,
Journal Year:
2024,
Volume and Issue:
12
Published: Dec. 12, 2024
Nickel
is
an
important
key
resource
and
plays
increasingly
role
in
new
energy
technologies.
The
stability
of
its
worldwide
supply
chain
crucial
for
addressing
country
risks
unforeseen
events.
To
explore
the
impact
on
global
nickel
chain,
this
study
conducts
a
complex
network
analysis
panel
regression
ore,
ferro-nickel,
stainless-steel
trade
data
from
2000
to
2022.
reveals
mechanisms
by
which
economic
political
affect
structure
commodities
identifies
drivers
patterns.
finds
that
increase
risk
promotes
diversification
sources,
while
hurts
export
scale
control
ability.
Industrial
adjustments
R&D
investments
have
significant
structure,
especially
trade.
China
major
consumer
importer,
occupies
central
position
network,
Indonesia
Philippines’
policy
changes
market.
This
provides
empirical
basis
management
scientific
formulation
strategic
planning.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 30, 2025
Ultramafic
rocks
are
an
abundant
source
of
cations
for
CO2
mineralization
(e.g.,
Mg)
and
elements
sustainability
technologies
Ni,
Cr,
Mn,
Co,
Al).
However,
there
is
no
industrially
useful
process
dissolving
ultramafic
materials
to
release
sequestration
or
mining
them
energy-critical
elements.
Weathering
by
rainwater,
metal
cations,
subsequent
already
naturally
sequesters
from
the
atmosphere,
but
this
natural
will
take
thousands
hundreds
years
remove
excess
anthropogenic
CO2,
far
too
late
deal
with
global
warming
that
happen
over
next
century.
Mechanical
acceleration
weathering
grinding
can
accelerate
cation
prohibitively
expensive.
In
article
we
show
gluconic
acid-based
lixiviants
produced
mineral-dissolving
microbe
Gluconobacter
oxydans
leaching
Mg2+
20×
deionized
water,
Mg,
Fe,
Ni
further
improves
73%
24
96
h.
At
low
pulp
density
(1%)
G.
biolixiviant
only
6%
more
effective
than
acid.
But,
at
60%
3.2×
just
We
demonstrate
biolixiviants
made
cellulosic
hydrolysate
not
significantly
worse
glucose,
dramatically
improving
feedstock
available
bioleaching.
Finally,
reduce
number
carbon
atoms
in
glucose
hydrolysate)
needed
one
ion
mineralize
atom
525
1.
Indonesian Journal of Innovation Multidisipliner Research,
Journal Year:
2024,
Volume and Issue:
2(2), P. 343 - 368
Published: June 27, 2024
Pengelolaan
nikel
sebagai
sumber
daya
strategis
yang
melekat
dengan
teknologi
masa
depan
termasuk
militer
menjadi
semakin
kritis
cakrawala
pada
proyeksi
fenomena
Global
Megatrends
2045.
Saat
ini
kebijakan
pengelolaan
ditetapkan
Pemerintah
melalui
hilirisasi
merupakan
kekuatan
di
dukung
potensi
keunggulan
komparatif
tataran
global.
Namun
demikian
menghadapi
banyak
tantangan
dan
dinamika
dalam
implementasinya,
studi
lapangan
guna
mendapatkan
data
primer
ditambah
literatur
relevan
serta
dianalisis
secara
kualitatif,
diidentifikasi
beberapa
isu
aktual
saat
paling
mengemuka
yaitu
terkait
aspek
ketahanan
energi.
Mendasarkan
pertimbangan
depan,
diperlukan
konsepsi
progresif
berdasarkankan
energi
(resilience
based
strategy)
prioritas
mengedepankan
inovasi-inovasi
akan
menjamin
keberlangsungan
lingkungan
memberikan
nilai
tambah
ekonomi
signifikan
sehingga
kebangkitan
pelestarian
mineral
dapat
diwujudkan
kancah
Selain
itu
kompetitif
modalitas
memastikan
akses
untuk
pengembangan
dirgantara,
mengingat
aplikasi
sangat
luas
logam
penerbangan
antariksa
khususnya
era
kecerdasan
buatan.
Decarbonization
technologies
promise
to
mitigate
climate
change
and
reduce
greenhouse
gas
emissions.
However,
these
contain
critical
minerals,
such
as
nickel,
lithium,
cobalt.
Minerals
mining
can
have
substantial
environmental
social
impacts.
Prospective
LCA
be
used
project
impacts
compare
them
among
proposed
mines,
especially
in
nations
like
the
U.S.
that
aim
increase
domestic
minerals
production.
We
therefore
conducted
a
cradle-to-grave
on
copper-nickel
mine
United
States.
Flotation
processing
was
largest
contributor
energy,
water,
burdens.
Wastewater
treatment
closure
also
sizeable
energy
water
demands.
estimate
it
takes
decades
or
centuries
restore
carbon
stock
loss
from
land
clearing
reclamation
efforts.
This
analysis
highlights
importance
of
often-neglected
elements
mine’s
life
cycle
clearing,
wastewater
treatment,
reclamation,
closure.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(8), P. 552 - 552
Published: Aug. 22, 2024
The
bulk
and
surface
properties
of
materials
based
on
nickel
aluminum
oxides
hydroxides,
as
such
or
after
reduction
processes,
are
reviewed
discussed
critically.
actual
potential
industrial
applications
these
materials,
both
in
reducing
conditions
oxidizing
conditions,
summarized.
Mechanisms
for
reactant
molecule
activation
also
discussed.
Minerals,
Journal Year:
2024,
Volume and Issue:
14(10), P. 965 - 965
Published: Sept. 25, 2024
Nickel
is
an
important
raw
metal
material
in
industry,
which
has
been
identified
as
a
strategic
mineral
resource
by
the
Chinese
Ministry
of
Land
and
Resources.
sulfide
ore
accounts
for
40%
all
nickel
ores
worldwide.
However,
magnesium
silicate
gangue
minerals
ores,
particularly
serpentine,
pose
significant
challenges
to
flotation
ores.
The
presence
leads
series
issues,
including
increased
energy
consumption
subsequent
smelting
processes,
accelerated
equipment
wastage,
SO2
emissions,
severely
impact
comprehensive
utilization
resources
In
this
regard,
depressants
are
most
direct
effective
method
reduce
adverse
influences
caused
concentrate.
Based
on
characteristics
typical
magnesium-containing
ore,
review
illustrates
difficulties
depression
during
gives
overview
common
from
six
aspects
(chelation
depressants,
dispersion
flocculation
grinding,
slurry
adjustment
combination
depressants).
Each
section
summarizes
relevant
mechanisms
analyzes
advantages
disadvantages
various
reagents,
providing
reference
designing
specifically
targeting
serpentine.
Journal of Ecohumanism,
Journal Year:
2024,
Volume and Issue:
3(2), P. 251 - 264
Published: Feb. 28, 2024
This
research
examines
the
role
of
addressing
global
humanitarian
issues
in
achieving
Sustainable
Development
Goals
(SDGs)
established
by
States
at
UN
Conference
2012.
The
SDGs
aim
to
tackle
key
challenges
related
sustainable
development,
covering
environmental,
social,
and
economic
dimensions.
However,
a
balance
between
environmental
protection,
growth,
social
inclusion
is
complex
task
requiring
continuous
efforts
commitment.
Through
socio-legal
approach,
this
study
identifies
three
as
obstacles
SDGs:
climate
change,
ongoing
COVID-19
pandemic,
conflicts
States,
specifically
Russo-Ukrainian
War.
Addressing
change
crucial
it
poses
significant
threats
environment
human
life.
pandemic
exacerbates
existing
challenges,
impacting
health
systems,
economies,
well-being.
State
disrupt
peace
stability,
impeding
progress
towards
development
goals.
Overcoming
these
necessitates
international
cooperation,
policy
reforms,
effective
governance,
prioritizing
sustainability,
resilience,
inclusiveness.
By
issues,
we
can
enhance
likelihood
building
more
equitable
future
for
all.