A novel lignin-steel sludge composite for dyes adsorption from water: Surface functionalities and structural alteration mechanisms
Journal of Water Process Engineering,
Год журнала:
2024,
Номер
64, С. 105600 - 105600
Опубликована: Июнь 17, 2024
Язык: Английский
Calcined MgFe layered double hydroxides for magnetic separation and enhanced adsorption performance of methyl orange: Mechanism based on the memory effect
Journal of Water Process Engineering,
Год журнала:
2024,
Номер
63, С. 105418 - 105418
Опубликована: Май 11, 2024
Язык: Английский
High-Performance La-, Mo-, and W-Doped NiFe-Layered Double Hydroxide for Methyl Orange Dye and Cr(VI) Adsorption
Processes,
Год журнала:
2025,
Номер
13(1), С. 156 - 156
Опубликована: Янв. 8, 2025
NiFe-layered
double
hydroxide
(NiFe-LDH)
and
La-,
Mo-
or
W-doped
NiFe-LDH
microparticles
(NiFeX-LDH,
X
=
La,
Mo,
W)
were
synthesized
via
the
co-precipitation
method.
Their
adsorption
characteristics
evaluated
by
removal
of
methyl
orange
(MO)
hexavalent
chromium
(Cr6+).
The
effects
metal
ion
doping
type,
concentration
(0–3at%),
pH
temperature
on
MO
properties
systematically
studied.
results
show
that
exhibits
superior
capacity
compared
to
undoped
La-
Mo-doped
at
same
1at%
level,
which
is
attributed
increased
layer
charge
density
strong
affinity
for
π-electron
systems
molecules.
NiFeW-LDH-1at%
sample
demonstrated
best
performance
within
W-doping
range
0–3at%,
achieving
a
capability
666.67
mg/g
with
significantly
shorter
equilibrium
time
(10–120
min)
similar
LDH.
showed
promising
reusability,
its
efficiency
remaining
78.3%
initial
level
after
five
adsorption–desorption
cycles.
uptake
onto
NiFeX-LDH
was
combined
effect
anion
exchange
attraction
charge.
In
addition,
matched
well
Langmuir
isotherm
model
pseudo-second-order
kinetic
model,
indicating
monolayer
chemical
adsorption.
Furthermore,
effectively
adsorbed
Cr2O72−
in
aqueous
solution,
revealing
W
enhances
Cr(VI)
performance.
maximum
theoretical
reached
63.25
mg/g,
notably
higher
than
pristine
adsorbent
(53.56
mg/g).
Overall,
material,
as
low-cost
highly
efficient
adsorbent,
shows
great
potential
wastewater
treatment
application.
Язык: Английский
Nanocomposites Based on Layered Double Hydroxides Loaded with Curcumin and Carbon Nitride Quantum Dots for Combined Chemotherapy and Chemodynamic Therapy of Tumors
Zhijie Jing,
Xiaorui Zhang,
Yunxue Jin
и другие.
Journal of Inorganic and Organometallic Polymers and Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
Язык: Английский
Toxicity of CuFe and Co-doped CuFe layered double hydroxides on algae: Insights into synthesis, growth inhibition, morphological changes, and antioxidative enzyme responses
Environmental Technology & Innovation,
Год журнала:
2024,
Номер
36, С. 103790 - 103790
Опубликована: Авг. 10, 2024
Layered
double
hydroxides
(LDH)
are
widely
used
in
a
variety
of
industries
due
to
their
unique
structural
characteristics.
It
is
essential
comprehend
the
environmental
behavior
and
toxicological
impacts
these
substances
address
potential
risks
caused
by
LDH
release
into
environment.
In
this
study,
CuFe
Cobalt
(Co)-doped
LDHs
were
synthesized
toxicities
Chlorella
vulgaris
investigated.
scanning
electron
microscope
images,
Co-doped
undoped
catalysts
appeared
as
uniformly
dispersed
flakes.
The
X-ray
diffraction
pattern
confirmed
successful
incorporation
Co
crystalline
lattice
LDH.
growth
C.
was
negatively
affected
presence
1
mg/L
LDHs,
with
membrane
damage
cell
wrinkling
observed
20
mg/L.
LDH-exposed
algae
exhibited
significantly
greater
decline
chlorophyll
content
compared
that
algae.
However,
superoxide
dismutase
activity
elevated
algal
cells
exposed
Catalase
increased
up
mg/L,
followed
at
higher
doses
cells.
From
an
ecological
perspective,
lack
toxicity
after
doping
favorable
for
aquatic
life.
extensive
characterization,
together
rigorous
assessment,
provides
new
information
about
safety
cobalt
aid
development
safer
more
sustainable
LDH-based
products.
Язык: Английский