A new approach to direct chemical leaching of Sungun chalcopyrite concentrate via green deep eutectic solvent choline chloride-ρ-toluenesulfonic acid and MD simulation
Bahram Behnajady,
No information about this author
Matin Najafi,
No information about this author
Saeid Karimi
No information about this author
et al.
Journal of the Taiwan Institute of Chemical Engineers,
Journal Year:
2025,
Volume and Issue:
172, P. 106118 - 106118
Published: April 7, 2025
Language: Английский
Pomegranate peel as an Ecofriendly Reductant for Efficient Recovery of Cathode Materials from Spent Lithium ion Batteries through Organic Acid Leaching
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
Nowadays,
the
recycling
of
valuable
metals
from
spent
lithium-ion
batteries
(LIB)
using
hydrometallurgical
processes
is
on
rise.
Therefore,
safer
leaching
media
for
dissolution
and
environmentally
friendly
chemicals
are
essential.
In
this
research,
a
feasibility
study
recovery
metals,
including
lithium,
cobalt,
manganese,
nickel,
cathode
LIB
in
acidic
conditions
pomegranate
peel
(PP)
as
green
reductant
was
evaluated.
To
optimize
process,
effects
various
parameters,
such
CH
3COOH
concentration,
temperature,
time,
PP/LIB,
were
investigated
response
surface
methodology
(RSM)
experimental
design.
Based
ANOVA,
linear
models
obtained
Co,
Mn,
Li
recovery,
except
Ni
model.
According
to
results,
temperature
identified
most
crucial
factor
Ni,
Li,
due
facile
hydrolysis
PP
at
elevated
temperatures.
optimization
results
cathodes
presence
PP,
predicted
values
optimum
point
320
min,
5.5
M
92°C
PP/LIB
3.5
g/g
83.3,
85.9,
84.9,
91.2%,
respectively,
which
showed
good
agreement
with
calculated
recovery.
FTIR
characterization
samples
absence
indicated
that
glucose
molecules
produced
during
immediately
consumed
by
compounds.
Furthermore,
kinetics
demonstrated
mechanisms
followed
Avrami
Language: Английский
Sustainable synthesis and application of green deep eutectic solvent in chalcopyrite leaching: A combined experimental and molecular dynamic simulation approach
Nano-Structures & Nano-Objects,
Journal Year:
2025,
Volume and Issue:
42, P. 101481 - 101481
Published: May 1, 2025
Language: Английский
Response Surface Methodology (RSM) Design to Optimize the Cathode of Li-Ions Batteries Recycling in Deep Eutectic Solvent and DFT Simulation
Saeid Karimi,
No information about this author
Leila Mafton-Azad,
No information about this author
Bahram Behnajady
No information about this author
et al.
Korean Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 8, 2024
Language: Английский
Recycling of printed circuit boards (PCBs) using various deep eutectic solvents (DESs) and insights from DFT simulations
Published: Jan. 1, 2024
In
this
study,
the
dissolution
of
copper
present
in
printed
circuit
boards
(PCBs)
was
investigated
using
different
choline
chloride
(ChCl)
based
deep
eutectic
solvents
(DES)
at
a
temperature
100
°C
for
24
h.
According
to
results,
two-component
combinations
ChCl-PTSA
(p-toluene
sulfonic
acid)
and
ChCl-ACA
(acetic
achieved
nearly
complete
extraction
efficiency.
contrast,
ChCl-EG
(ethylene
glycol)
showed
less
than
1%
The
mechanism
examined
DFT
simulations.
COSMO
analysis
reveals
hydrogen
bond
between
ChCl's
ion
(negative
potential)
PTSA's
hydroxyl
group.
Mulliken
charges
show
that
DES
formation
causes
charge
redistribution,
increasing
polarization
within
sulfonate
group
stabilizing
structure
via
enhanced
electrostatic
interactions.
addition,
with
Cu(I)
Cu(II)
distinct
interaction
patterns:
primarily
interacts
groups,
disrupting
original
bonding
network,
while
shows
potential
coordination
both
influencing
electronic
properties
DES.
Language: Английский