Journal of Chemical & Engineering Data,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 29, 2024
Deep
eutectic
solvents
(DESs)
have
garnered
significant
attention
as
eco-friendly
alternatives
to
conventional
solvents.
Understanding
the
solution
chemistry
of
DES
is
crucial
for
green
processes
in
pharmaceutical
formulations.
This
study
presents
a
comprehensive
volumetric
investigation
elucidate
molecular
interactions
and
thermodynamic
properties
theophylline
aqueous
environments.
A
composed
PEG-400
citric
acid/ascorbic
acid
was
tailored
theophylline–DES
interactions.
Measurements
density
speed
sound
were
conducted
within
range
293.15–318.15
K
0.1
MPa.
Analysis
apparent
molar
volumes,
infinite
dilution
partial
transfer
parameters
provided
plausible
theophylline–DES–water
The
findings
indicate
complex
interplay
among
components
theophylline,
with
notable
observations
on
dimerization
leading
reduction
volume.
sheds
light
DES-mediated
drug–water
interactions,
which
offer
valuable
implications
applications.
The
uncontrolled
release
of
industrial
effluents
containing
micropollutants
(MPs),
dyes,
and
heavy
metal
ions
contaminates
natural
water
bodies
posing
threats
to
health
the
environment.
Conventional
treatment
methods
often
struggle
with
challenges
such
as
prolonged
processing
time,
low
specificity,
risk
producing
secondary
pollutants.
Liquid-liquid
extraction
(LLE)
technique
utilizing
ionic
liquids
(ILs)
has
emerged
a
viable
alternative
for
elimination
contaminants
from
wastewater.
ILs,
characterized
by
minimal
volatility
tunable
physicochemical
properties,
facilitate
precise
effluent.
IL-LLE
streamlines
experimental
setup,
lowers
energy
consumption,
promotes
recyclability
reuse,
enhances
mechanistic
understanding,
hence
provides
sustainable
effluent
treatment.
This
review
comprehensive
analysis
approaches
wastewater
treatment,
commencing
an
overview
historical
evolution
tracing
their
progression
initial
research
contemporary
advanced
applications.
article
primarily
examines
practical
applications
IL-LLE,
demonstrating
how
these
are
employed
efficiently
remove
diverse
both
simulated
actual
samples.
As
whole,
consolidates
versatility
efficiency
IL-based
LLE
in
addressing
various
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(34), P. 12827 - 12836
Published: July 7, 2024
In
the
relentless
pursuit
of
technological
advancement,
world
is
steering
toward
groundbreaking
progress,
particularly
in
domain
energy
production
and
storage.
storage
domain,
role
Li-ion
batteries
(LIBs)
indispensable,
which
leads
to
their
propelling
surge
and,
consequently,
an
upswing
scrap
generation.
Considering
environmental
impact
exorbitant
value
lithium
heavy
metals
spent
LIBs,
a
less
hazardous
more
efficient
recovery
imperative.
Herein,
deep
eutectic
solvent
(DES)
was
devised
efficiently
extract
valuable
from
LIBs
under
optimized
experimental
conditions,
notably
without
any
additional
reducing
agents.
We
proposed
two
different
choline
chloride
(ChCl)-based
DESs,
employing
pyruvic
acid
(PA)
glyoxilic
(GLY)
as
hydrogen
bond
donors.
Through
vertical
ionization
potential
(VIP)
calculations,
it
observed
that
PA
manifests
lower
VIP
than
GLY,
indicating
its
propensity
favored
reductant
for
leaching
cathode
materials.
Experimental
findings
further
validated
this
assertion,
demonstrating
ChCl/PA
(1:1)
effectively
extracts
99%
both
Co
Li
LIB
materials
at
80
°C
within
5
h
duration.
Compared
conventional
lixiviants,
approach
using
offered
significant
efficiency
brings
benefits
sustainable
economy.
Interestingly,
DES
reached
>99%
after
precipitation
with
oxalic
ensuring
reusability
three
consecutive
cycles.
