Chemical Engineering Communications,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 12
Published: Oct. 23, 2024
The
major
issue
that
industries
have
is
the
degradation
of
organic
dye
in
wastewater.
In
this
study,
we
introduce
an
iron-doped
spinel-type
photocatalyst
for
degradation.
Due
to
advantages
like
a
lower
band
gap,
and
favorable
magnetic
characteristics,
nickel
aluminate
can
be
viable
catalyst
Nickel
NiAl2-xFexO4
(x
=
0.05,
0.1,
0.5,
1.0)
were
synthesized
by
sol-gel
method
using
citric
acid
as
capping
agent.
obtained
samples
calcined
at
800
°C
4
h.
spinel
was
characterized
X-ray
diffraction
(XRD)
which
helped
identification
purity
phase
calculation
average
crystallite
size.
Fourier
Transform
Infrared
(FT-IR)
spectra
confirmed
presence
iron
octahedral
site;
(SEM-EDAX)
Scanning
Electron
Microscopy
facilitated
surface
morphology
Energy-Dispersive
analysis
provided
elemental
confirmation
UV-DRS
techniques
assisted
gap
Tauc
plot
method.
Photocatalytic
efficiency
investigated
against
cationic
Methylene
blue
under
UV
Visible
light.
results
showed
94.25%
light
83.51%
visible
90
min
150
respectively
aluminate.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(1), P. 76 - 76
Published: Jan. 15, 2025
The
efficient
removal
of
dyes
and
Cr(VI)
from
wastewater
is
imperative.
Therefore,
a
mixed
metal
oxide
CuMoV(450)
derived
polyoxometalate-based
metal–organic
framework
(POMOF)
[Cu(2,2′-bipy)][Cu(2,2′-bipy)2]2[PMo8V6O42]•2H2O
(CuMoV)
was
synthesized
by
calcination,
fully
characterized
XRD,
XPS,
FT-IR,
SEM
methods,
explored
for
the
heterogeneous
catalytic
degradation
methylene
blue
(MB)
dye
reduction
in
aqueous
media
over
NaBH4
under
mild
conditions.
rates
MB
were
95.9%
(30
min)
96.5%
(2.0
min),
respectively.
pseudo-first-order
rate
constants
0.093
min−1
1.536
min−1,
highly
reusability
confirmed
recycling
experiments.
Moreover,
possible
mechanisms
proposed.
activities
much
better
than
those
its
parent
compound
CuMoV,
proving
that
POMOFs
good
candidates
preparation
oxides
with
excellent
performances.
This
work
not
only
indicates
has
potential
to
be
satisfied
catalyst
remediation
via
reduction,
but
also
gives
clue
synthesize
properties
calcination
POMOFs.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(11), P. 1543 - 1543
Published: May 30, 2024
The
increasing
awareness
of
the
importance
a
clean
and
sustainable
environment,
coupled
with
rapid
growth
both
population
technology,
has
instilled
in
people
strong
inclination
to
address
issue
wastewater
treatment.
This
global
concern
prompted
individuals
prioritize
proper
management
purification
wastewater.
Organic
pollutants
are
very
persistent
due
their
destructive
effects,
it
is
necessary
remove
them
from
In
last
decade,
porous
organic
polymers
(POPs)
have
garnered
interest
among
researchers
effectiveness
removing
various
types
pollutants.
Porous
biopolymers
seem
be
suitable
candidates
POPs.
Sustainable
consumption
environmental
protection,
as
well
reducing
toxic
chemicals,
advantages
using
preparation
effective
composites
Composites
containing
biopolymers,
like
other
POPs,
can
through
absorption,
membrane
filtration,
or
oxidative
photocatalytic
effects.
Although
based
on
shown
relatively
good
performance
pollutants,
insufficient
strength
limits
performance.
On
hand,
comparison
including
covalent
frameworks,
they
weaker
Therefore,
generally
used
compounds.
seems
research
these
investigate
reasons
for
composite
components.
review
exhaustively
investigates
recent
progress
use
removal
form
adsorbents,
membranes,
catalysts,
etc.
Information
regarding
mechanism,
functionality,
each
component
construction
discussed.
following
provides
vision
future
opportunities
biopolymers.
Coatings,
Journal Year:
2025,
Volume and Issue:
15(3), P. 276 - 276
Published: Feb. 26, 2025
Removing
high-concentration
organic
dye
from
wastewater
is
of
great
concern
because
the
hazards
can
cause
serious
damage
to
environment
and
human
health.
In
this
study,
hybrid
dimensionally
stable
anode
(DSA)
with
a
Ce-doped
SnO2-Sb2O5
intermediate
layer
was
fabricated
used
for
electro-catalytic
oxidation
three
kinds
ultra-high-concentration
dyes.
Scanning
electron
microscopy
(SEM),
X-ray
diffraction
(XRD),
photoelectron
spectroscopy
(XPS)
confirmed
denser
surface
structure
morphology
composite
Ti/SnO2-Sb2O5/Ce-PbO2
electrode.
Moreover,
electrode
exhibited
an
excellent
oxygen
evolution
potential
1.58
V.
The
effect
on
removal
efficiencies
high
concentrations
up
1
g/L
methyl
orange,
methylene
blue,
neutral
red
solutions
above
investigated.
research
results
illustrated
that
target
molecules
in
different
were
rapidly
decolorized
decomposed
by
less
than
35
min.
Additionally,
degradation
process
still
followed
pseudo-first-order
kinetics
solutions.
efficiency
Total
Organic
Carbon
(TOC)
Chemical
Oxygen
Demand
(COD)
more
98%,
gas
chromatography–mass
spectrometry
(GC-MS)
analysis
showed
it
had
best
effects
red,
which
thoroughly.
More
80
h
accelerated
life
also
revealed
performance
face
solution
degradation.
Considering
these
results,
could
be
utilized
treat
containing
dyes
efficiency.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(17), P. 9671 - 9671
Published: Sept. 6, 2024
The
presence
of
organic
dyes
in
aqueous
environments
is
extremely
hazardous
to
life
due
the
toxicity
these
compounds.
Thus,
its
removal
from
various
aquatic
media
utmost
importance,
and
several
technologies
are
constantly
being
tested
meet
this
goal.
Among
technologies,
types
degradation
adsorption
techniques
typically
used,
materials
used
within
nanomaterials
developed
investigated,
likely
properties
that
have.
This
work
reviewed
recent
developments
(in
2023)
about
use
treatment
solutions
contaminated
with
toxic
dyes.
