Inorganics,
Journal Year:
2024,
Volume and Issue:
12(7), P. 191 - 191
Published: July 12, 2024
This
paper
studies
the
synthesis,
characterization,
and
application
of
ZnFe2O4
nanoparticles
for
removal
rhodamine
b
dye
from
aqueous
media.
Utilizing
combustion
procedure,
were
synthesized
using
two
different
fuels:
glutamine
(SG)
L-arginine
(SA).
In
addition,
characterized
through
various
techniques,
including
Fourier
transform
infrared
(FTIR),
X-ray
diffraction
(XRD),
field
emission
scanning
electron
microscope
(FE-SEM),
energy-dispersive
(EDX),
high
resolution
transmission
(HR-TEM),
Brunauer-Emmett-Teller
(BET)
surface
area
analysis.
XRD
analysis
verified
creation
a
cubic
spinel
structure
without
any
contaminants,
revealing
average
crystallite
sizes
43.72
29.38
nm
SG
SA
samples,
respectively.
The
FTIR
spectra
exhibited
peaks
indicative
metal-oxygen
bond
stretching,
verifying
presence
formation.
Elemental
via
EDX
confirmed
stoichiometric
composition
typical
zinc
ferrite.
FE-SEM
imaging
displayed
that
samples
are
composed
particles
with
irregular
spherical
shapes,
measuring
diameters
135.11
59.89
nm,
Furthermore,
BET
is
60
85
m2/g,
maximum
adsorption
capacity
sample
(409.84
mg/g)
towards
was
higher
than
(279.33
mg/g),
which
ascribed
to
its
larger
porosity.
Kinetic
equilibrium
revealed
process
onto
followed
Langmuir
isotherm
pseudo-second-order
model.
Thermodynamic
indicated
spontaneous,
exothermic,
physical.
study
concludes
(SA)
exhibit
enhanced
efficiency
due
their
smaller
size,
increased
area,
porosity
compared
those
(SG).
optimum
conditions
found
be
at
pH
10,
contact
time
70
min,
temperature
298
K.
These
findings
underscore
potential
L-arginine-synthesized
effective
sustainable
environmental
cleanup
applications.
Inorganics,
Journal Year:
2024,
Volume and Issue:
12(6), P. 143 - 143
Published: May 22, 2024
This
work
studies
the
synthesis,
characterization,
and
application
of
CuFe2O4
nanoparticles
for
removal
acid
blue
113
malachite
green
dyes
from
aqueous
media.
Utilizing
combustion
procedure,
were
synthesized
using
two
different
fuels:
L-alanine
(CFA)
L-valine
(CFV).
Besides,
characterized
through
some
tools,
including
Fourier
transform
infrared
(FTIR),
X-ray
diffraction
(XRD),
energy-dispersive
(EDX),
field
emission
scanning
electron
microscope
(FE-SEM).
XRD
analysis
verified
creation
a
cubic
spinel
structure
without
any
contaminants,
revealing
average
crystallite
sizes
26.37
17.65
nm
CFA
CFV
samples,
respectively.
The
FTIR
spectra
exhibited
peaks
indicative
metal-oxygen
bond
stretching,
verifying
presence
formation.
Elemental
via
EDX
confirmed
stoichiometric
composition
typical
copper
ferrite.
In
addition,
FE-SEM
displayed
that
samples
are
composed
particles
with
spherical
irregular
shapes,
measuring
diameters
188.35
132.78
nm,
maximum
adsorption
capabilities
towards
281.69
297.62
mg/g,
Also,
products
dye
280.11
294.99
Kinetic
equilibrium
revealed
process
onto
followed
pseudo-second-order
model
Langmuir
isotherm.
Thermodynamic
indicated
was
physical,
spontaneous,
exothermic.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Sept. 16, 2024
Crystal
violet
dye
poses
significant
health
risks
to
humans,
including
carcinogenic
and
mutagenic
effects,
as
well
environmental
hazards
due
its
persistence
toxicity
in
aquatic
ecosystems.
This
study
focuses
on
the
efficient
removal
of
crystal
from
aqueous
media
using
novel
Co
Molecules,
Journal Year:
2024,
Volume and Issue:
29(14), P. 3392 - 3392
Published: July 19, 2024
Methylene
blue
dye
in
water
sources
can
pose
health
risks
to
humans,
potentially
causing
methemoglobinemia,
a
condition
that
impairs
the
blood’s
ability
carry
oxygen.
Hence,
current
study
investigates
synthesis
of
novel
magnesium
borate/magnesium
oxide
(Mg3B2O6/MgO)
nanostructures
and
their
efficiency
removing
methylene
from
aqueous
media.
The
were
synthesized
using
Pechini
sol–gel
method,
which
involves
reaction
between
nitrate
hexahydrate
boric
acid,
with
citric
acid
acting
as
chelating
agent
ethylene
glycol
crosslinker.
This
method
helps
achieving
homogeneous
mixture,
which,
upon
calcination
at
600
800
°C,
yields
Mg3B2O6/MgO
referred
MB600
MB800,
respectively.
characterization
these
involved
techniques
like
X-ray
diffraction
(XRD),
Fourier-transform
infrared
(FTIR)
spectroscopy,
N2
gas
analyzer,
field-emission
scanning
electron
microscope
(FE-SEM).
These
analyses
confirmed
formation
orthorhombic
Mg3B2O6
cubic
MgO
phases
distinct
features,
influenced
by
temperature.
mean
crystal
size
MB800
samples
was
64.57
79.20
nm,
In
addition,
BET
surface
area
74.63
64.82
m2/g,
results
indicated
sample,
its
higher
area,
generally
demonstrated
better
removal
performance
(505.05
mg/g)
than
sample
(483.09
mg/g).
adsorption
process
followed
pseudo-second-order
model,
indicating
dependency
on
available
sites.
Also,
matched
well
Langmuir
isotherm,
confirming
adsorbent
surface.
thermodynamic
parameters
revealed
physical,
exothermic,
spontaneous.
could
be
effectively
regenerated
6
M
HCl
reused
across
multiple
cycles.
findings
underscore
potential
cost-effective
sustainable
adsorbents
for
removal.
Inorganics,
Journal Year:
2024,
Volume and Issue:
12(6), P. 148 - 148
Published: May 29, 2024
Lead
contamination
in
water
poses
significant
health
risks,
making
its
removal
imperative.
In
this
study,
magnetic
strontium
ferrite
(SrFe12O19)
nanoparticles
were
facilely
synthesized
by
the
Pechini
sol–gel
method
and
subsequently
functionalized
with
a
novel
chitosan–Schiff
base
ligand
to
obtain
inorganic/organic
nanocomposite
for
removing
Pb(II)
ions
from
aqueous
solutions.
The
was
through
reaction
of
chitosan
2,4,5-trihydroxybenzaldehyde.
presence
two
X-ray
diffraction
(XRD)
peaks
at
2Ɵ
=
10.5°
20.5°,
alongside
characteristic
SrFe12O19
peaks,
confirmed
functionalization
ligand.
Additionally,
decrease
saturation
magnetization
value
40.29
emu/g
pure
17.32
further
verified
functionalization.
carbon
(C)
nitrogen
(N)
atoms
energy-dispersive
(EDX)
pattern
nanocomposite,
addition
iron
(Fe),
(Sr),
oxygen
(O),
also
nanocomposite’s
maximum
adsorption
capacity
390.63
mg/g.
Moreover,
process
is
endothermic,
spontaneous,
chemical,
occurring
via
complexation
-C=N
-OH
groups,
it
fits
well
Langmuir
equilibrium
isotherm
pseudo-second-order
kinetic
equation.
IntechOpen eBooks,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
The
widespread
usage
of
synthetic
dyes
and
chemicals
across
industries
leads
to
the
production
a
considerable
amount
wastewater.
Textile
industries,
in
particular,
frequently
release
harmful
directly
into
environment,
presenting
significant
threats
human
health.
Discharging
untreated
sewage
from
numerous
textile
contributes
severe
environmental
consequences.
To
address
these
concerns,
there
is
growing
emphasis
on
developing
efficient
cost-effective
nano-adsorbents,
leveraging
their
distinctive
properties
mitigate
ecological
impact
dyes.
In
light
challenges,
efforts
have
been
focused
adsorbents
remove
unwanted
substances
Effectively
selectively
eliminating
increasingly
acknowledged
as
essential
for
addressing
concerns.
A
comprehensive
approach
involves
comparing
degradation
efficiency
different
catalysts,
considering
search
suitable
adsorbent.
This
chapter
comprehensively
examines
advanced
literature
dye
degradation.
addition
outlining
physicochemical
characteristics
various
adsorbents,
delves
mechanisms
effectiveness
adsorption
process.
It
crucial
tackle
challenges
inherent
alleviate
adverse
effects
critical
evaluation
next-generation
can
advance
adoption
clean
water
purification
practices.
