Heliyon,
Год журнала:
2024,
Номер
10(14), С. e33656 - e33656
Опубликована: Июнь 27, 2024
This
work
designed
and
prepared
an
organic-inorganic
nanocomposite
using
layered
double
hydroxide
(LDH)
inorganic
substrate
trimesic
acid
(TMA)
as
chelating
agent.
Subsequently,
the
synthesized
was
assessed
multiple
identification
methods,
including
FTIR,
EDX,
XRD,
TGA,
FESEM,
outcomes
demonstrated
that
intended
structure
successfully
prepared.
Also,
in
order
to
investigate
efficiency
of
Mg–Al
LDH-TMA
efficient
nano
adsorbent,
it
used
for
removal
indigo
carmine
(IC)
methylene
blue
(MB)
from
aqueous
solutions.
synthetic
showed
a
high
adsorption
capacity.
The
produced
selected
dyes
investigated
with
help
batch
studies
performed
variety
experimental
settings,
dye
concentration,
adsorbent
dose,
pH,
temperature
contact
time.
Furthermore,
exhibits
strong
stability
can
be
recycled
reused
five
times
row,
which
is
well
consistent
principles
green
chemistry.
Journal of Xenobiotics,
Год журнала:
2023,
Номер
13(3), С. 509 - 528
Опубликована: Сен. 20, 2023
Dyes,
such
as
indigo
carmine,
have
become
indispensable
to
modern
life,
being
widely
used
in
the
food,
textile,
pharmaceutical,
medicine,
and
cosmetic
industry.
Although
carmine
is
considered
toxic
has
many
adverse
effects,
it
found
foods,
maximum
permitted
level
500
mg/kg.
Indigo
one
of
most
dyes
textile
industry,
especially
for
dyeing
denim,
also
medicine
due
its
impressive
applicability
diagnostic
methods
surgical
procedures,
gynecological
urological
surgeries
microsurgery.
It
reported
that
humans
can
cause
various
pathologies,
hypertension,
hypotension,
skin
irritations,
or
gastrointestinal
disorders.
In
this
review,
we
discuss
structure
properties
carmine;
use
industries
medicine;
effects
ingestion,
injection,
contact;
on
environmental
pollution;
toxicity
testing.
For
147
studies
were
relevant.
Most
cited
articles
those
about
pollution
with
(51),
uses
(45),
a
food
additive
(17).
Applied Nanoscience,
Год журнала:
2023,
Номер
13(8), С. 5777 - 5793
Опубликована: Март 20, 2023
Abstract
Aluminium
doped
zinc
oxide
(AZO)
nanomaterials
(Al
x
Zn
1-x
O)
with
fraction
varying
as
0.02
and
0.04
were
synthesized
using
the
auto-combustion
method
glycine
a
fuel.
The
catalysts
characterized
X-ray
diffraction
(XRD),
UV–Visible
Spectroscopy
(UV–Vis),
Raman
spectroscopy,
Photoluminescence
(PL)
High
Resolution
Transmission
Electron
Microscopy
(HR-TEM).
XRD
results
showed
that
materials
possessed
good
crystallinity,
while
UV–VIS
was
employed
to
find
band
gaps
of
materials.
used
determine
vibrational
modes
in
nanoparticles,
TEM
analysis
performed
study
morphology
samples.
Industrial
effluents
such
indigo
carmine
azo
G
test
photodegradation
ability
synthesised
catalysts.
Parameters
effect
catalyst
loading,
dye
concentration
pH
studied.
reduction
crystallite
size,
gap
increased
lattice
strain
for
4%
AZO
primary
reason
degradation
visible
irradiation,
degrading
97
99%
equimolar
concentrations
140
min.
Al
ZnO
found
be
effective
faster
dyes
compared
pure
presence
natural
sunlight.
Inorganics,
Год журнала:
2024,
Номер
12(7), С. 191 - 191
Опубликована: Июль 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.
Environmental Processes,
Год журнала:
2024,
Номер
11(3)
Опубликована: Авг. 1, 2024
Abstract
The
present
study
investigates
the
synergistic
performance
of
three-dimensional
electrochemical
process
to
decolourise
methyl
orange
(MO)
dye
pollutant
from
xenobiotic
textile
wastewater.
was
treated
using
technique
with
strong
oxidizing
potential,
and
additional
adsorption
technology
employed
effectively
remove
pollutants
Approximately
98%
MO
removal
efficiency
achieved
15
mA/cm
2
current
density,
3.62
kWh/kg
energy
consumption
79.53%
efficiency.
50
mg/L
rapidly
mineralized
a
half-life
4.66
min
at
density
.
Additionally,
graphite
intercalation
compound
(GIC)
electrically
polarized
in
reactor
enhance
direct
electrooxidation
OH
generation,
thereby
improving
treatment
Decolourisation
MO-polluted
wastewater
optimized
by
artificial
intelligence
(AI)
machine
learning
(ML)
techniques
such
as
Artificial
Neural
Networks
(ANN),
Support
Vector
Machine
(SVM),
random
forest
(RF)
algorithms.
Statistical
metrics
indicated
superiority
model
followed
this
order:
ANN
>
RF
SVM
Multiple
regression.
optimization
results
parameters
neural
network
(ANN)
approaches
showed
that
,
electrolysis
time
30
initial
concentration
were
best
operating
maintain
efficiencies
reactor.
Finally,
Monte
Carlo
simulations
sensitivity
analysis
yielded
prediction
lowest
uncertainty
variability
level,
whereas
predictive
outcome
slightly
better.
Highlights
•
In-depth
various
techniques.
Prediction
100%
regeneration
compound.
Advanced
statistical
targeted
responses
data
fitting
Analysis
uncertainties
simulation.
International Journal of Chemical Kinetics,
Год журнала:
2024,
Номер
56(6), С. 339 - 346
Опубликована: Фев. 22, 2024
Abstract
The
quest
for
cleaner
environments
is
a
global
concern.
Hence,
the
investigation
of
degradation
indigo
carmine
dye
(IC)
with
peroxydisulphate
ion
in
an
aqueous
sulphuric
acid
system
view
to
understanding
its
kinetic
and
mechanism.
depicts
first‐order
kinetics
[S
2
O
8
2−
]
[IC],
mole
ratio
IC:
S
1:1.
rate
dependent
on
change
ionic
strength
medium
permittivity
system.
Also,
added
ions
(NH
4
+
NO
3
−
)
influence
which
further
supported
outcome
strength.
Free
radical
participation
ruled
out.
experimental
law
given
as
(Kk
[H
])[IC][S
].
Owing
absence
detectable
intermediates
process,
outer‐sphere
mechanism
proposed.
study
significant
textile
industries
medical
settings
making
less
toxic
well‐understood
pathway.
