Water,
Год журнала:
2024,
Номер
16(19), С. 2709 - 2709
Опубликована: Сен. 24, 2024
The
Kongquehe
Sag,
located
in
the
western
Lop
Nur,
has
abundant
pore
subsurface
brine.
In
order
to
study
source
and
origin,
we
tested
analyzed
hydrochemical
composition
stable
isotopes
of
findings
reveal
that
brine
exhibits
a
moderate
low
degree
mineralization,
with
values
ranging
from
50.50
g/L
91.14
g/L.
isotope
compositions
unconfined
confined
waters
are
different,
mean
δD
being
−8.00‰
−51.75‰
δ18O
10.08‰
−6.01‰.
These
indicative
an
intense
evaporative
environment
prevalent
Sag
area.
Furthermore,
87Sr/86Sr
ratios
vary
between
0.710642
0.710837,
δ34S
range
9.2
10.7.
data
suggest
long-term
evolution
sulfur
substances,
predominantly
through
dissolution
sedimentation
processes,
minimal
influence
redox
reactions.
garnered
this
research
not
only
offer
novel
perspective
insights
gained
into
characteristics
signatures
brines
area
but
also
enriches
theoretical
framework
concerning
origin
brines,
potentially
informing
future
exploration
strategies.
Abstract
Sluggish
internal
mass
transfer
within
granulated
adsorbents
constrains
the
efficiency
of
Li
+
extraction
from
low‐grade
salt
lakes.
In
this
study,
diffusion
behavior
simulations
using
finite
element
analysis
indicated
that
reducing
granule
dimensionality
enhanced
in
aluminum‐based
lithium
adsorbents,
with
ionic
strength
as
driving
force.
Hence,
low‐dimensional
adsorbent
granules
(LD‐LDHs)
fast
transport
channels
and
highly
accessible
adsorption
sites
were
directionally
prepared
via
a
wet‐spinning
method.
Adsorption
kinetics
suggested
LD‐LDHs
reduced
resistance
achieved
equilibrium
less
than
30
min,
which
was
significantly
shorter
36
h
required
for
larger
by
conventional
extrusion
molding,
while
maintaining
performance
encapsulated
active
components.
During
continuous
Qarhan
old
brine,
reached
saturation
60
1.8‐fold
increased
working
capacity,
desorption
solution
higher
quality,
favorable
subsequent
carbonate
production
processes.
Minerals,
Год журнала:
2024,
Номер
14(8), С. 849 - 849
Опубликована: Авг. 22, 2024
Lithium,
a
critical
material
for
the
global
development
of
green
energy
sources,
is
anomalously
enriched
in
some
coal
deposits
and
by-products
to
levels
that
may
be
considered
economically
viable.
Recovering
lithium
from
coal,
particularly
gangue
or
ashes,
offers
promising
alternative
extracting
this
element.
This
process
could
potentially
lead
economic
gains
positive
environmental
impacts
by
more
efficiently
utilizing
coal-based
waste
materials.
review
focuses
on
concentrations
by-products,
modes
occurrence,
methods
used
identify
lithium-enriched
phases,
currently
available
hydrometallurgical
recovery
methods,
correlated
with
pretreatment
procedures
enable
release
inert
aluminosilicate
minerals.
Leaching
raw
appears
inefficient,
whereas
fly
ash
are
feasible
due
their
simpler
composition
higher
contents.
Lithium
extraction
can
achieve
rates
over
90%,
but
low
high
impurity
leachates
require
advanced
selective
separation
techniques.
Bottom
has
not
yet
been
evaluated
recovery,
despite
its
content
compared
feed
coal.
RSC Sustainability,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
life-cycle
carbon
emissions
of
Li-chemical
production
from
alternative
clays
and
low
Li-content
brines
in
the
United
States
lie
between
impacts
its
two
conventional
sources:
Salar
spodumene
ores.
