Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
9, P. 100752 - 100752
Published: May 7, 2024
Increased
demand
for
industrial
and
pharmaceutical
salt
surpasses
production
capabilities,
posing
challenges
the
industry.
This
study
uses
a
cost-effective
hydroextraction
method
utilizing
mixing
washers
hydrocyclone
to
enhance
NaCl
purity
eliminate
Ca2+
Mg2+
ions
from
coarse
(CS).
Results
indicate
that
washer
(CS-MW)
meets
standards
with
99.72%
NaCl,
0.036%
Ca2+,
0.067%
Mg2+,
while
hydrocyclones
(CS-HC)
99.87%
0.054%
0.052%
Mg2+.
approach
offers
promising
solution
industry's
technological
challenges.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(20), P. 4934 - 4934
Published: Oct. 18, 2024
Porous
carbon
with
a
high
surface
area
and
controllable
pore
size
is
needed
for
energy
storage.
It
still
significant
challenge
to
produce
porous
in
an
economical
way.
Nitrogen-doped
(N-PC)
was
prepared
through
carbonization
of
mixture
waste
PET-derived
metal–organic
frameworks
(MOFs)
ammonium.
The
obtained
N-PC
exhibits
large
controlled
size.
When
utilized
as
electrode
material
supercapacitors,
the
specific
capacitance
224
F
g−1,
significantly
surpassing
that
commercial
activated
(AC),
which
has
111
g−1.
In
subsequent
capacitive
deionization
(CDI)
tests,
demonstrated
maximum
salt
adsorption
capacity
19.9
mg
g−1
at
1.2
V
NaCl
electrolyte
(0.5
g
L−1),
increased
24.7
1.4
V.
also
exhibited
superior
regeneration.
present
work
not
only
presents
potential
approach
develop
cost-effective
electrodes
seawater
purification
but
paves
way
recycling
plastics
into
value-added
products.
Journal of The Electrochemical Society,
Journal Year:
2024,
Volume and Issue:
171(11), P. 113501 - 113501
Published: Oct. 21, 2024
The
flake
biochar
electrode
materials
with
fast
ion
transport
function
were
prepared
by
KOH
activation
walnut
shell
used
as
raw
material.
effects
of
carbonization
temperature
and
KOH-to-biochar
ratio
systematically
evaluated
using
physicochemical
characterization
electrochemical
performance
testing.
optimized
(WSC800–2),
produced
at
800
°C
a
ration
2:1,
exhibited
an
exceptional
specific
surface
area
(2,287
m
2
g
−1
),
the
highest
porosity
(0.824
cm
3
excellent
capacitance
(369.51
F
,
10
mV
s
).
Furthermore,
in
desalination
experiments,
WSC800–2
achieved
high
salt
adsorption
capacity
15.70
mg
1.2
V,
500
l
NaCl
solution.
also
outstanding
cycling
stability,
retaining
97.0%
its
after
adsorption/desorption
cycles.
These
findings
highlight
potential
shell-derived
effective
material
for
capacitive
deionization
future
technologies.
