Separations,
Journal Year:
2025,
Volume and Issue:
12(4), P. 98 - 98
Published: April 15, 2025
Adsorption
is
a
popular
method
for
the
recovery
of
low-grade
lithium.
It
low-cost
and
highly
efficient
way
to
treat
solutions
with
low
lithium
concentrations.
The
impurity
content
determines
industrial
application.
This
study
investigated
novel
strategy
remove
divalent
cations
from
desorption
solution
containing
Mg2+,
Ca2+,
Mn2+,
generated
by
manganese
absorbent
using
an
organophosphoric
acid,
followed
precipitation
carbonate
concentrated
raffinate
evaporation.
Di(2-ethylhexyl)phosphoric
acid
(P204)
was
selected
as
preferred
extractant.
saponification
degree
were
determined,
extraction
parameters
(pH,
extractant
concentration,
phase
ratio)
investigated.
A
three-stage
countercurrent
process
tested.
Removal
efficiencies
Mn2+
manganese-containing
exceeded
99%,
leaving
<1.0
mg/L
in
raffinate.
evaporated
>23
g/L
total
concentration
lithium-rich
approximately
10.0
mg/L.
Further
conversion
sodium
carried
out
prepare
battery-grade
product
purity
99.83%.
present
work
may
provide
means
solution.
Energies,
Journal Year:
2023,
Volume and Issue:
16(18), P. 6628 - 6628
Published: Sept. 15, 2023
In
recent
years
there
has
been
a
significant
increase
in
the
demand
for
lithium
all
over
world.
Lithium
is
widely
used
primarily
production
of
batteries
electric
vehicles
and
portable
electronic
devices,
many
other
industries
such
as
aluminum,
ceramics,
glass,
polymers,
greases,
pharmaceuticals.
order
to
maintain
balance
between
supply
on
global
market,
it
essential
search
alternative
sources
this
element.
Therefore,
efforts
are
being
made
obtain
from
unconventional
sources,
an
example
which
recovery
oilfield
brines.
This
article
provides
up-to-date
review
literature
particular
field
based
data
different
(scientific
databases,
patent
company
websites
industrial
online
newspapers).
The
current
achievements
future
perspectives
brines
generated
during
oil
gas
extraction
were
critically
reviewed.
An
emphasis
was
placed
chemistry
lithium-contained
brines,
technologies
(both
pretreatment
direct
extraction)
suitable
results
obtained
pilot
trials.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(15), P. 19672 - 19681
Published: April 5, 2023
The
increasing
pressure
for
lithium
resources
from
the
electric
vehicle
and
nuclear
energy
industries
means
that
new
technologies
to
separate
Mg2+
Li+
salt
water
are
in
demand.
To
address
this
need,
we
fabricated
pyrene
squarate
covalent
organic
frameworks
(Li-SQCOFs)
Mg2+/Li+
mixtures
water.
We
optimized
effect
of
electrolyte
amount
adsorbent
then
carried
out
a
kinetics
study
on
recovery
at
various
pH
levels
using
both
batch
continuous
flow
adsorption
methods.
Li-SQCOF
was
found
have
excellent
selectivity
solutions
containing
mixture
ions.
This
work
represents
unique
path
separation
through
direct
framework
(COF).
COF-supported
ultrafiltration
bed
made
gave
flux
60.5
h-1
m-2.
