Innovative nanocomposite comprising of ZrO2, MnCO3, and CdCO3 for superior crystal violet dye adsorption: synthesis, characterization, and regeneration insights
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 14, 2025
Crystal
violet
dye,
widely
used
in
industries,
poses
environmental
and
human
health
hazards
due
to
its
persistence
toxicity.
Effective
removal
methods
are
critical
mitigate
these
impacts.
This
study
presents
the
synthesis
of
a
novel
ZrO2@MnCO3@CdCO3
nanocomposite
for
efficient
crystal
dye
from
aqueous
solutions.
The
was
synthesized
using
precipitation
method
characterized
XRD,
SEM,
EDX,
BET
surface
area
analysis.
Adsorption
experiments
were
conducted
under
various
conditions,
including
pH,
contact
time,
concentration,
temperature.
exhibited
mesoporous
structure
(22.38
m2/g
area,
0.0935
cm3/g
total
pore
volume,
8.79
nm
average
size)
an
crystallite
size
76.30
nm.
maximum
adsorption
capacity
179.52
mg/g,
following
pseudo-second-order
kinetics
Langmuir
isotherm.
Thermodynamic
studies
revealed
exothermic,
physical,
spontaneous
process.
Regeneration
demonstrated
high
reusability
with
desorption
efficiency
reaching
99.67%
over
five
cycles.
Language: Английский
Innovative arginine-polyaniline@SiO2 for Orange G removal: adsorption experiments and DFT insights
Zitouni Ennajih,
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Taoufiq Bouzid,
No information about this author
Omar Doughmi
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et al.
Separation and Purification Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 133008 - 133008
Published: April 1, 2025
Language: Английский
Raw and Activated Oil Mill Waste for Retention of Cationic Dye in Aqueous Solution
Chafia Tiar,
No information about this author
Nihed Daas,
No information about this author
Mokhtar Boutahala
No information about this author
et al.
Chemistry Africa,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 5, 2025
Language: Английский
Synthesis of ternary Polyaniline/Bi2S3/NiFe2O4 nanocomposite: as a magnetic separable, reusable, and visible light-responsive photocatalyst for degradation of indigo carmine dye
Research on Chemical Intermediates,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
Language: Английский
Employment of Fe3O4/Fe2TiO5/TiO2 Composite Made Using Ilmenite for Elimination of Methylene Blue
ChemEngineering,
Journal Year:
2024,
Volume and Issue:
8(6), P. 130 - 130
Published: Dec. 18, 2024
A
novel
material
was
created
from
natural
ilmenite
sand,
and
methylene
blue
(MB)
used
to
test
the
material’s
capacity
remove
colors
wastewater.
The
synthesized
by
neutralizing
acid
leachate
obtained
Ilmenite
sand
digestion,
followed
drying
at
180
°C.
It
characterized
XRD,
Raman,
TEM,
SEM,
XPS,
XRF,
BET
techniques.
crystal
nature
of
composite
is
Fe3O4/Fe2TiO5/TiO2.
surface
area,
average
pore
size
total
volume
are
292.18
m2/g,
1.53
nm,
0.202
cc/g,
respectively.
At
pH
10,
10
mg/L
MB,
mg
resulted
in
a
maximum
adsorption
24.573
mg/g.
Using
5
increments,
dye
concentration
adjusted
between
25
mg/L,
yielding
equilibrium
capacities
24.573,
31.012,
41.443,
52.259
mg/g
with
15,
20,
greatest
adsorbent
achieved
MB.
dosage
ranged
25,
45,
65,
100
mg.
MB
adsorbed
via
pseudo-second-order
kinetics
an
24.863
intraparticle
diffusion
model
showed
that
occurs
three
stages,
intra-particle
constants
1.50,
2.71,
3.38,
4.41
g/mg
min1/2.
Adsorption
Langmuir
isotherm
model.
thermodynamic
parameters
ΔG,
ΔH,
ΔS
were
−27.5521
kJ/mol
298
K,
2.571
kJ/mol,
0.101
Regeneration
studies
carried
out
for
five
cycles,
indicating
some
activity
loss
after
each
cycle.
Language: Английский