CrystEngComm,
Journal Year:
2024,
Volume and Issue:
26(45), P. 6438 - 6447
Published: Jan. 1, 2024
In
this
study,
a
Pr/CDs/SSS/PbO
2
electrode
with
good
electrocatalytic
activity
and
superior
stability
was
successfully
prepared
by
an
electrodeposition
process.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(24), P. 12553 - 12564
Published: June 3, 2024
In
this
study,
dopamine-modified
graphene
aerogel
(DGA)
is
synthesized
through
a
one-step
hydrothermal
method
using
oxide
as
the
precursor
and
dopamine
reducing
agent.
Subsequently,
in
situ
immersion
synthesis
conducted
to
obtain
ZIF-8
loaded
on
skeleton
(ZDGA),
featuring
regular
honeycomb
interconnected
mesoporosity
high
specific
surface
area
of
532.8
m2/g.
The
ZDGA
exhibited
exceptional
adsorption
performance
for
cationic
dye
malachite
green.
At
room
temperature,
achieved
an
impressive
equilibrium
capacity
6578.34
mg/g.
process
followed
pseudo-secondary
kinetics
adhered
Langmuir
model,
indicating
chemically
dominated
monomolecular
layer.
Intraparticle
diffusion
was
primary
rate
determinant,
with
π–π
stacking,
electrostatic
adsorption,
hydrogen
bonding,
Lewis
acid–base
interactions
serving
key
driving
forces.
It
has
ideal
good
cycling
performance,
which
highlights
its
potential
application
wastewater
treatment.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(10), P. 2183 - 2183
Published: May 7, 2024
Efficient
and
thorough
treatment
of
dye
wastewater
is
essential
to
achieve
ecological
harmony.
In
this
study,
a
new
type
calcium-based
modified
coal
gangue
(Ca-CG)
was
prepared
by
using
solid
waste
as
raw
material
CaCl2
modifier,
which
used
for
the
removal
malachite
green,
methylene
blue,
crystal
violet,
methyl
violet
other
dyes
in
water.
When
dosage
Ca-CG
1–5
g/L,
main
factor
affecting
adsorption
effect.
The
effects
on
four
were
follows:
green
>
blue
violet.
Kinetics,
isotherms
thermodynamic
analysis
showed
that
fitted
second-order
kinetic
model,
with
chemical
reaction
process.
conformed
Freundlich
dominated
multi-molecular
layer
adsorption,
easy
carry
out.
process
spontaneous.
results
FTIR,
XRD
SEM
materials
such
lipscombite
dolomite
key
Ca-CG,
mechanisms
are
surface
precipitation,
electrostatic
action,
chelation
reaction.
has
great
potential
wastewater.