Application of Response Surface Methodology for Selective Extraction of Lithium Using a Hydrophobic Deep Eutectic Solvent
Industrial & Engineering Chemistry Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 16, 2025
Lithium
is
a
strategic
element
for
energy
storage.
Extraction
from
surface
water
promising
method
the
purification
of
lithium.
Synthetic
model
brines
containing
lithium
and
sodium
ions
were
prepared
extraction
experiments.
A
hydrophobic
deep
eutectic
solvent
(HDES)
was
synthesized
using
tetrabutylammonium
chloride
(TBAC)
as
hydrogen
bond
acceptor
(HBA)
decanoic
acid
(DA)
donor
(HBD).
Trioctylphosphine
oxide
(TOPO)
chosen
coextractant.
Fourier
transform
infrared
(FT-IR)
1H
NMR
analyses
confirmed
physical
interactions
between
HBD
HBA.
Response
methodology
used
to
optimize
operational
parameters
percentage
selectivity.
The
organic
phase
TBAC(1)/DA(2)
10
wt
%
TOPO
at
T
=
23.0
°C
pH
10.4
demonstrated
highest
performance.
optimized
point
yielded
selectivity
4.41
an
efficiency
48.57%
one
stage
extraction.
ion
exchange
reaction
in
(DES)
by
FT-IR
spectroscopy.
Five
regeneration
cycles
revealed
that
remained
stable
after
third
cycle.
brine
with
same
composition
Iran's
sources
51.63%
compared
those
sodium,
potassium,
magnesium,
calcium
ions,
which
9.97,
3.11,
4.38,
2.29%,
respectively.
HDES
this
study
cost-effective
biodegradable
other
HDESs
reported
literature.
Язык: Английский
Enhancement of Ultrasonic-Assisted and Agitation-Assisted Flaxseed Oil Extractions: Kinetic Modeling and Optimization
Results in Engineering,
Год журнала:
2024,
Номер
unknown, С. 102847 - 102847
Опубликована: Сен. 1, 2024
Язык: Английский
Efficient CO2 adsorption by deoiled flaxseed hydrochar
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 16, 2024
This
study
optimizes
CO2
adsorption
using
hydrochar
from
de-oiled
flaxseed
(FDOP),
a
waste
byproduct
of
the
oil
extraction
industry,
through
hydrothermal
carbonization
(HTC).
The
aim
is
to
enhance
capture
sustainably
and
cost-effectively.
Using
Response
Surface
Methodology
(RSM),
in
optimal
conditions
achieved
1153.26
mg/g
capacity
under
215.15
°C
synthesis
temperature,
3.05
h
time,
0.99
M
acid
concentration,
8.997
bar
pressure,
25.07
temperature.
Statistical
analysis
(F-value:
44.48,
R²:
0.9705)
confirmed
strong
model
reliability.
Kinetic
showed
both
physical
chemical
adsorption,
while
thermodynamic
revealed
exothermic
behavior
(ΔH°
values:
-46.697
kJ/mol
for
M-225,
-40.230
MA-203).
After
10
regeneration
cycles,
was
reduced
by
only
2.8%
3.1%,
indicating
excellent
recyclability.
highlights
FDOP-derived
as
highly
efficient,
low-cost
adsorbent,
offering
industrial
applications
carbon
management.
Язык: Английский